- Sku
- HI3899BP pH Range 0.00 to 14.00 pH pH Resolution 0.01 pH pH Accuracy ±0.05 pH pH Calibration automatic, one or two-point with two sets of standard buffers (pH 4.01 / 7.01 / 10.01 or 4.01 / 6.86 / 9.18) TDS Range 0 to 2000 mg/L TDS Resolution 1 mg/L TDS Accuracy ±2% F.S. TDS Calibration automatic, one point at 1382 mg/L (ppm) Dissolved Oxygen Measurement Type titration Dissolved Oxygen Range 0.0 to 10.0 mg/L O‚‚ Dissolved Oxygen Resolution 0.1 mg/L Dissolved Oxygen Measurement Method modified Winkler Dissolved Oxygen Number of Test 110 avg Temperature Range 0.0 to 60.0°C / 32.0 to 140.0°F Temperature Resolution 0.1°C / 0.1°F Temperature Accuracy ±0.5°C / 1°F Acidity Measurement Type titration Acidity Range 0-100 mg/L (ppm) 0-500 mg/L (ppm) Acidity Method methyl orange / phenolphthalein Acidity Number of Tests 110 avg Alkalinity Measurement Type titration Alkalinity Range 0-100 mg/L (ppm) 0-300 mg/L (ppm) Alkalinity Resolution 1 mg/L , 3 mg/L Alkalinity Method phenolphthalein / bromophenol blue Alkalinity Number of Test 110 avg Marine Ammonia Range 0.00 to 2.50 ppm (mg/L) NH 3 Marine Ammonia Resolution 0.01 ppm (mg/L) Marine Ammonia Accuracy ±0.05 ppm ±5% of reading @ 25 °C (77 °F) Carbon Dioxide Measurement Type titration Carbon Dioxide Range 0.0-10.0 mg/L (ppm) 0.0-50.0 mg/L (ppm) 0-100 mg/L (ppm) Carbon Dioxide Method phenolphthalein Carbon Dioxide Number of Tests 110 avg Marine Nitrate HR Range 0.0 to 75.0 ppm (as NO 3 –) Marine Nitrate Resolution 0.1 ppm Marine Nitrate Accuracy ±2.0 ppm ±5% of reading @ 25 °C (77 °F) Nitrate Method Zinc reduction method. The reaction between nitrate and the reagent causes a pink tint in the sample. This checker has been developed to work with seawater samples. Nitrite Measurement Type colorimetric Nitrite Range 0.0-1.0 mg/L (ppm) Phosphate Measurement Type colorimetric Phosphate Range 0-5 mg/L (ppm) Phosphate Method ascorbic acid Phosphate Number of Test 50 Salinity Measurement Type titration Salinity Range 0.0 to 40.0 g/kg Salinity Resolution 0.4 g/kg Salinity Method mercuric nitrate Salinity Number of Tests 110 avg related_products [4816, 4789, 5912, 6390] Ordering Information Backpack Lab includes acidity test kit, alkalinity test kit, marine ammonia handheld colorimeter, carbon dioxide test kit, dissolved oxygen test kit, marine nitrate high range handheld colorimeter, nitrite test kit, phosphate test kit, salinity test kit, secchi disc, hydrometer, HI98129 Combo pH/EC/TDS/temperature tester, set of 6 field test procedures, teacher's guide and backpack.
- PH Range
- 0.00 to 14.00 pH pH Resolution 0.01 pH pH Accuracy ±0.05 pH pH Calibration automatic, one or two-point with two sets of standard buffers (pH 4.01 / 7.01 / 10.01 or 4.01 / 6.86 / 9.18) TDS Range 0 to 2000 mg/L TDS Resolution 1 mg/L TDS Accuracy ±2% F.S. TDS Calibration automatic, one point at 1382 mg/L (ppm) Dissolved Oxygen Measurement Type titration Dissolved Oxygen Range 0.0 to 10.0 mg/L O‚‚ Dissolved Oxygen Resolution 0.1 mg/L Dissolved Oxygen Measurement Method modified Winkler Dissolved Oxygen Number of Test 110 avg Temperature Range 0.0 to 60.0°C / 32.0 to 140.0°F Temperature Resolution 0.1°C / 0.1°F Temperature Accuracy ±0.5°C / 1°F Acidity Measurement Type titration Acidity Range 0-100 mg/L (ppm) 0-500 mg/L (ppm) Acidity Method methyl orange / phenolphthalein Acidity Number of Tests 110 avg Alkalinity Measurement Type titration Alkalinity Range 0-100 mg/L (ppm) 0-300 mg/L (ppm) Alkalinity Resolution 1 mg/L , 3 mg/L Alkalinity Method phenolphthalein / bromophenol blue Alkalinity Number of Test 110 avg Marine Ammonia Range 0.00 to 2.50 ppm (mg/L) NH 3 Marine Ammonia Resolution 0.01 ppm (mg/L) Marine Ammonia Accuracy ±0.05 ppm ±5% of reading @ 25 °C (77 °F) Carbon Dioxide Measurement Type titration Carbon Dioxide Range 0.0-10.0 mg/L (ppm) 0.0-50.0 mg/L (ppm) 0-100 mg/L (ppm) Carbon Dioxide Method phenolphthalein Carbon Dioxide Number of Tests 110 avg Marine Nitrate HR Range 0.0 to 75.0 ppm (as NO 3 –) Marine Nitrate Resolution 0.1 ppm Marine Nitrate Accuracy ±2.0 ppm ±5% of reading @ 25 °C (77 °F) Nitrate Method Zinc reduction method. The reaction between nitrate and the reagent causes a pink tint in the sample. This checker has been developed to work with seawater samples. Nitrite Measurement Type colorimetric Nitrite Range 0.0-1.0 mg/L (ppm) Phosphate Measurement Type colorimetric Phosphate Range 0-5 mg/L (ppm) Phosphate Method ascorbic acid Phosphate Number of Test 50 Salinity Measurement Type titration Salinity Range 0.0 to 40.0 g/kg Salinity Resolution 0.4 g/kg Salinity Method mercuric nitrate Salinity Number of Tests 110 avg related_products [4816, 4789, 5912, 6390] Ordering Information Backpack Lab includes acidity test kit, alkalinity test kit, marine ammonia handheld colorimeter, carbon dioxide test kit, dissolved oxygen test kit, marine nitrate high range handheld colorimeter, nitrite test kit, phosphate test kit, salinity test kit, secchi disc, hydrometer, HI98129 Combo pH/EC/TDS/temperature tester, set of 6 field test procedures, teacher's guide and backpack.
- TDS Range
- 0 to 2000 mg/L TDS Resolution 1 mg/L TDS Accuracy ±2% F.S. TDS Calibration automatic, one point at 1382 mg/L (ppm) Dissolved Oxygen Measurement Type titration Dissolved Oxygen Range 0.0 to 10.0 mg/L O‚‚ Dissolved Oxygen Resolution 0.1 mg/L Dissolved Oxygen Measurement Method modified Winkler Dissolved Oxygen Number of Test 110 avg Temperature Range 0.0 to 60.0°C / 32.0 to 140.0°F Temperature Resolution 0.1°C / 0.1°F Temperature Accuracy ±0.5°C / 1°F Acidity Measurement Type titration Acidity Range 0-100 mg/L (ppm) 0-500 mg/L (ppm) Acidity Method methyl orange / phenolphthalein Acidity Number of Tests 110 avg Alkalinity Measurement Type titration Alkalinity Range 0-100 mg/L (ppm) 0-300 mg/L (ppm) Alkalinity Resolution 1 mg/L , 3 mg/L Alkalinity Method phenolphthalein / bromophenol blue Alkalinity Number of Test 110 avg Marine Ammonia Range 0.00 to 2.50 ppm (mg/L) NH 3 Marine Ammonia Resolution 0.01 ppm (mg/L) Marine Ammonia Accuracy ±0.05 ppm ±5% of reading @ 25 °C (77 °F) Carbon Dioxide Measurement Type titration Carbon Dioxide Range 0.0-10.0 mg/L (ppm) 0.0-50.0 mg/L (ppm) 0-100 mg/L (ppm) Carbon Dioxide Method phenolphthalein Carbon Dioxide Number of Tests 110 avg Marine Nitrate HR Range 0.0 to 75.0 ppm (as NO 3 –) Marine Nitrate Resolution 0.1 ppm Marine Nitrate Accuracy ±2.0 ppm ±5% of reading @ 25 °C (77 °F) Nitrate Method Zinc reduction method. The reaction between nitrate and the reagent causes a pink tint in the sample. This checker has been developed to work with seawater samples. Nitrite Measurement Type colorimetric Nitrite Range 0.0-1.0 mg/L (ppm) Phosphate Measurement Type colorimetric Phosphate Range 0-5 mg/L (ppm) Phosphate Method ascorbic acid Phosphate Number of Test 50 Salinity Measurement Type titration Salinity Range 0.0 to 40.0 g/kg Salinity Resolution 0.4 g/kg Salinity Method mercuric nitrate Salinity Number of Tests 110 avg related_products [4816, 4789, 5912, 6390] Ordering Information Backpack Lab includes acidity test kit, alkalinity test kit, marine ammonia handheld colorimeter, carbon dioxide test kit, dissolved oxygen test kit, marine nitrate high range handheld colorimeter, nitrite test kit, phosphate test kit, salinity test kit, secchi disc, hydrometer, HI98129 Combo pH/EC/TDS/temperature tester, set of 6 field test procedures, teacher's guide and backpack.
- PH Accuracy
- ±0.05 pH pH Calibration automatic, one or two-point with two sets of standard buffers (pH 4.01 / 7.01 / 10.01 or 4.01 / 6.86 / 9.18) TDS Range 0 to 2000 mg/L TDS Resolution 1 mg/L TDS Accuracy ±2% F.S. TDS Calibration automatic, one point at 1382 mg/L (ppm) Dissolved Oxygen Measurement Type titration Dissolved Oxygen Range 0.0 to 10.0 mg/L O‚‚ Dissolved Oxygen Resolution 0.1 mg/L Dissolved Oxygen Measurement Method modified Winkler Dissolved Oxygen Number of Test 110 avg Temperature Range 0.0 to 60.0°C / 32.0 to 140.0°F Temperature Resolution 0.1°C / 0.1°F Temperature Accuracy ±0.5°C / 1°F Acidity Measurement Type titration Acidity Range 0-100 mg/L (ppm) 0-500 mg/L (ppm) Acidity Method methyl orange / phenolphthalein Acidity Number of Tests 110 avg Alkalinity Measurement Type titration Alkalinity Range 0-100 mg/L (ppm) 0-300 mg/L (ppm) Alkalinity Resolution 1 mg/L , 3 mg/L Alkalinity Method phenolphthalein / bromophenol blue Alkalinity Number of Test 110 avg Marine Ammonia Range 0.00 to 2.50 ppm (mg/L) NH 3 Marine Ammonia Resolution 0.01 ppm (mg/L) Marine Ammonia Accuracy ±0.05 ppm ±5% of reading @ 25 °C (77 °F) Carbon Dioxide Measurement Type titration Carbon Dioxide Range 0.0-10.0 mg/L (ppm) 0.0-50.0 mg/L (ppm) 0-100 mg/L (ppm) Carbon Dioxide Method phenolphthalein Carbon Dioxide Number of Tests 110 avg Marine Nitrate HR Range 0.0 to 75.0 ppm (as NO 3 –) Marine Nitrate Resolution 0.1 ppm Marine Nitrate Accuracy ±2.0 ppm ±5% of reading @ 25 °C (77 °F) Nitrate Method Zinc reduction method. The reaction between nitrate and the reagent causes a pink tint in the sample. This checker has been developed to work with seawater samples. Nitrite Measurement Type colorimetric Nitrite Range 0.0-1.0 mg/L (ppm) Phosphate Measurement Type colorimetric Phosphate Range 0-5 mg/L (ppm) Phosphate Method ascorbic acid Phosphate Number of Test 50 Salinity Measurement Type titration Salinity Range 0.0 to 40.0 g/kg Salinity Resolution 0.4 g/kg Salinity Method mercuric nitrate Salinity Number of Tests 110 avg related_products [4816, 4789, 5912, 6390] Ordering Information Backpack Lab includes acidity test kit, alkalinity test kit, marine ammonia handheld colorimeter, carbon dioxide test kit, dissolved oxygen test kit, marine nitrate high range handheld colorimeter, nitrite test kit, phosphate test kit, salinity test kit, secchi disc, hydrometer, HI98129 Combo pH/EC/TDS/temperature tester, set of 6 field test procedures, teacher's guide and backpack.
- TDS Accuracy
- ±2% F.S. TDS Calibration automatic, one point at 1382 mg/L (ppm) Dissolved Oxygen Measurement Type titration Dissolved Oxygen Range 0.0 to 10.0 mg/L O‚‚ Dissolved Oxygen Resolution 0.1 mg/L Dissolved Oxygen Measurement Method modified Winkler Dissolved Oxygen Number of Test 110 avg Temperature Range 0.0 to 60.0°C / 32.0 to 140.0°F Temperature Resolution 0.1°C / 0.1°F Temperature Accuracy ±0.5°C / 1°F Acidity Measurement Type titration Acidity Range 0-100 mg/L (ppm) 0-500 mg/L (ppm) Acidity Method methyl orange / phenolphthalein Acidity Number of Tests 110 avg Alkalinity Measurement Type titration Alkalinity Range 0-100 mg/L (ppm) 0-300 mg/L (ppm) Alkalinity Resolution 1 mg/L , 3 mg/L Alkalinity Method phenolphthalein / bromophenol blue Alkalinity Number of Test 110 avg Marine Ammonia Range 0.00 to 2.50 ppm (mg/L) NH 3 Marine Ammonia Resolution 0.01 ppm (mg/L) Marine Ammonia Accuracy ±0.05 ppm ±5% of reading @ 25 °C (77 °F) Carbon Dioxide Measurement Type titration Carbon Dioxide Range 0.0-10.0 mg/L (ppm) 0.0-50.0 mg/L (ppm) 0-100 mg/L (ppm) Carbon Dioxide Method phenolphthalein Carbon Dioxide Number of Tests 110 avg Marine Nitrate HR Range 0.0 to 75.0 ppm (as NO 3 –) Marine Nitrate Resolution 0.1 ppm Marine Nitrate Accuracy ±2.0 ppm ±5% of reading @ 25 °C (77 °F) Nitrate Method Zinc reduction method. The reaction between nitrate and the reagent causes a pink tint in the sample. This checker has been developed to work with seawater samples. Nitrite Measurement Type colorimetric Nitrite Range 0.0-1.0 mg/L (ppm) Phosphate Measurement Type colorimetric Phosphate Range 0-5 mg/L (ppm) Phosphate Method ascorbic acid Phosphate Number of Test 50 Salinity Measurement Type titration Salinity Range 0.0 to 40.0 g/kg Salinity Resolution 0.4 g/kg Salinity Method mercuric nitrate Salinity Number of Tests 110 avg related_products [4816, 4789, 5912, 6390] Ordering Information Backpack Lab includes acidity test kit, alkalinity test kit, marine ammonia handheld colorimeter, carbon dioxide test kit, dissolved oxygen test kit, marine nitrate high range handheld colorimeter, nitrite test kit, phosphate test kit, salinity test kit, secchi disc, hydrometer, HI98129 Combo pH/EC/TDS/temperature tester, set of 6 field test procedures, teacher's guide and backpack.
- Acidity Range
- 0-100 mg/L (ppm) 0-500 mg/L (ppm) Acidity Method methyl orange / phenolphthalein Acidity Number of Tests 110 avg Alkalinity Measurement Type titration Alkalinity Range 0-100 mg/L (ppm) 0-300 mg/L (ppm) Alkalinity Resolution 1 mg/L , 3 mg/L Alkalinity Method phenolphthalein / bromophenol blue Alkalinity Number of Test 110 avg Marine Ammonia Range 0.00 to 2.50 ppm (mg/L) NH 3 Marine Ammonia Resolution 0.01 ppm (mg/L) Marine Ammonia Accuracy ±0.05 ppm ±5% of reading @ 25 °C (77 °F) Carbon Dioxide Measurement Type titration Carbon Dioxide Range 0.0-10.0 mg/L (ppm) 0.0-50.0 mg/L (ppm) 0-100 mg/L (ppm) Carbon Dioxide Method phenolphthalein Carbon Dioxide Number of Tests 110 avg Marine Nitrate HR Range 0.0 to 75.0 ppm (as NO 3 –) Marine Nitrate Resolution 0.1 ppm Marine Nitrate Accuracy ±2.0 ppm ±5% of reading @ 25 °C (77 °F) Nitrate Method Zinc reduction method. The reaction between nitrate and the reagent causes a pink tint in the sample. This checker has been developed to work with seawater samples. Nitrite Measurement Type colorimetric Nitrite Range 0.0-1.0 mg/L (ppm) Phosphate Measurement Type colorimetric Phosphate Range 0-5 mg/L (ppm) Phosphate Method ascorbic acid Phosphate Number of Test 50 Salinity Measurement Type titration Salinity Range 0.0 to 40.0 g/kg Salinity Resolution 0.4 g/kg Salinity Method mercuric nitrate Salinity Number of Tests 110 avg related_products [4816, 4789, 5912, 6390] Ordering Information Backpack Lab includes acidity test kit, alkalinity test kit, marine ammonia handheld colorimeter, carbon dioxide test kit, dissolved oxygen test kit, marine nitrate high range handheld colorimeter, nitrite test kit, phosphate test kit, salinity test kit, secchi disc, hydrometer, HI98129 Combo pH/EC/TDS/temperature tester, set of 6 field test procedures, teacher's guide and backpack.
- Nitrite Range
- 0.0-1.0 mg/L (ppm) Phosphate Measurement Type colorimetric Phosphate Range 0-5 mg/L (ppm) Phosphate Method ascorbic acid Phosphate Number of Test 50 Salinity Measurement Type titration Salinity Range 0.0 to 40.0 g/kg Salinity Resolution 0.4 g/kg Salinity Method mercuric nitrate Salinity Number of Tests 110 avg related_products [4816, 4789, 5912, 6390] Ordering Information Backpack Lab includes acidity test kit, alkalinity test kit, marine ammonia handheld colorimeter, carbon dioxide test kit, dissolved oxygen test kit, marine nitrate high range handheld colorimeter, nitrite test kit, phosphate test kit, salinity test kit, secchi disc, hydrometer, HI98129 Combo pH/EC/TDS/temperature tester, set of 6 field test procedures, teacher's guide and backpack.
- PH Resolution
- 0.01 pH pH Accuracy ±0.05 pH pH Calibration automatic, one or two-point with two sets of standard buffers (pH 4.01 / 7.01 / 10.01 or 4.01 / 6.86 / 9.18) TDS Range 0 to 2000 mg/L TDS Resolution 1 mg/L TDS Accuracy ±2% F.S. TDS Calibration automatic, one point at 1382 mg/L (ppm) Dissolved Oxygen Measurement Type titration Dissolved Oxygen Range 0.0 to 10.0 mg/L O‚‚ Dissolved Oxygen Resolution 0.1 mg/L Dissolved Oxygen Measurement Method modified Winkler Dissolved Oxygen Number of Test 110 avg Temperature Range 0.0 to 60.0°C / 32.0 to 140.0°F Temperature Resolution 0.1°C / 0.1°F Temperature Accuracy ±0.5°C / 1°F Acidity Measurement Type titration Acidity Range 0-100 mg/L (ppm) 0-500 mg/L (ppm) Acidity Method methyl orange / phenolphthalein Acidity Number of Tests 110 avg Alkalinity Measurement Type titration Alkalinity Range 0-100 mg/L (ppm) 0-300 mg/L (ppm) Alkalinity Resolution 1 mg/L , 3 mg/L Alkalinity Method phenolphthalein / bromophenol blue Alkalinity Number of Test 110 avg Marine Ammonia Range 0.00 to 2.50 ppm (mg/L) NH 3 Marine Ammonia Resolution 0.01 ppm (mg/L) Marine Ammonia Accuracy ±0.05 ppm ±5% of reading @ 25 °C (77 °F) Carbon Dioxide Measurement Type titration Carbon Dioxide Range 0.0-10.0 mg/L (ppm) 0.0-50.0 mg/L (ppm) 0-100 mg/L (ppm) Carbon Dioxide Method phenolphthalein Carbon Dioxide Number of Tests 110 avg Marine Nitrate HR Range 0.0 to 75.0 ppm (as NO 3 –) Marine Nitrate Resolution 0.1 ppm Marine Nitrate Accuracy ±2.0 ppm ±5% of reading @ 25 °C (77 °F) Nitrate Method Zinc reduction method. The reaction between nitrate and the reagent causes a pink tint in the sample. This checker has been developed to work with seawater samples. Nitrite Measurement Type colorimetric Nitrite Range 0.0-1.0 mg/L (ppm) Phosphate Measurement Type colorimetric Phosphate Range 0-5 mg/L (ppm) Phosphate Method ascorbic acid Phosphate Number of Test 50 Salinity Measurement Type titration Salinity Range 0.0 to 40.0 g/kg Salinity Resolution 0.4 g/kg Salinity Method mercuric nitrate Salinity Number of Tests 110 avg related_products [4816, 4789, 5912, 6390] Ordering Information Backpack Lab includes acidity test kit, alkalinity test kit, marine ammonia handheld colorimeter, carbon dioxide test kit, dissolved oxygen test kit, marine nitrate high range handheld colorimeter, nitrite test kit, phosphate test kit, salinity test kit, secchi disc, hydrometer, HI98129 Combo pH/EC/TDS/temperature tester, set of 6 field test procedures, teacher's guide and backpack.
- Acidity Method
- methyl orange / phenolphthalein Acidity Number of Tests 110 avg Alkalinity Measurement Type titration Alkalinity Range 0-100 mg/L (ppm) 0-300 mg/L (ppm) Alkalinity Resolution 1 mg/L , 3 mg/L Alkalinity Method phenolphthalein / bromophenol blue Alkalinity Number of Test 110 avg Marine Ammonia Range 0.00 to 2.50 ppm (mg/L) NH 3 Marine Ammonia Resolution 0.01 ppm (mg/L) Marine Ammonia Accuracy ±0.05 ppm ±5% of reading @ 25 °C (77 °F) Carbon Dioxide Measurement Type titration Carbon Dioxide Range 0.0-10.0 mg/L (ppm) 0.0-50.0 mg/L (ppm) 0-100 mg/L (ppm) Carbon Dioxide Method phenolphthalein Carbon Dioxide Number of Tests 110 avg Marine Nitrate HR Range 0.0 to 75.0 ppm (as NO 3 –) Marine Nitrate Resolution 0.1 ppm Marine Nitrate Accuracy ±2.0 ppm ±5% of reading @ 25 °C (77 °F) Nitrate Method Zinc reduction method. The reaction between nitrate and the reagent causes a pink tint in the sample. This checker has been developed to work with seawater samples. Nitrite Measurement Type colorimetric Nitrite Range 0.0-1.0 mg/L (ppm) Phosphate Measurement Type colorimetric Phosphate Range 0-5 mg/L (ppm) Phosphate Method ascorbic acid Phosphate Number of Test 50 Salinity Measurement Type titration Salinity Range 0.0 to 40.0 g/kg Salinity Resolution 0.4 g/kg Salinity Method mercuric nitrate Salinity Number of Tests 110 avg related_products [4816, 4789, 5912, 6390] Ordering Information Backpack Lab includes acidity test kit, alkalinity test kit, marine ammonia handheld colorimeter, carbon dioxide test kit, dissolved oxygen test kit, marine nitrate high range handheld colorimeter, nitrite test kit, phosphate test kit, salinity test kit, secchi disc, hydrometer, HI98129 Combo pH/EC/TDS/temperature tester, set of 6 field test procedures, teacher's guide and backpack.
- Nitrate Method
- Zinc reduction method. The reaction between nitrate and the reagent causes a pink tint in the sample. This checker has been developed to work with seawater samples. Nitrite Measurement Type colorimetric Nitrite Range 0.0-1.0 mg/L (ppm) Phosphate Measurement Type colorimetric Phosphate Range 0-5 mg/L (ppm) Phosphate Method ascorbic acid Phosphate Number of Test 50 Salinity Measurement Type titration Salinity Range 0.0 to 40.0 g/kg Salinity Resolution 0.4 g/kg Salinity Method mercuric nitrate Salinity Number of Tests 110 avg related_products [4816, 4789, 5912, 6390] Ordering Information Backpack Lab includes acidity test kit, alkalinity test kit, marine ammonia handheld colorimeter, carbon dioxide test kit, dissolved oxygen test kit, marine nitrate high range handheld colorimeter, nitrite test kit, phosphate test kit, salinity test kit, secchi disc, hydrometer, HI98129 Combo pH/EC/TDS/temperature tester, set of 6 field test procedures, teacher's guide and backpack.
- Salinity Range
- 0.0 to 40.0 g/kg Salinity Resolution 0.4 g/kg Salinity Method mercuric nitrate Salinity Number of Tests 110 avg related_products [4816, 4789, 5912, 6390] Ordering Information Backpack Lab includes acidity test kit, alkalinity test kit, marine ammonia handheld colorimeter, carbon dioxide test kit, dissolved oxygen test kit, marine nitrate high range handheld colorimeter, nitrite test kit, phosphate test kit, salinity test kit, secchi disc, hydrometer, HI98129 Combo pH/EC/TDS/temperature tester, set of 6 field test procedures, teacher's guide and backpack.
- TDS Resolution
- 1 mg/L TDS Accuracy ±2% F.S. TDS Calibration automatic, one point at 1382 mg/L (ppm) Dissolved Oxygen Measurement Type titration Dissolved Oxygen Range 0.0 to 10.0 mg/L O‚‚ Dissolved Oxygen Resolution 0.1 mg/L Dissolved Oxygen Measurement Method modified Winkler Dissolved Oxygen Number of Test 110 avg Temperature Range 0.0 to 60.0°C / 32.0 to 140.0°F Temperature Resolution 0.1°C / 0.1°F Temperature Accuracy ±0.5°C / 1°F Acidity Measurement Type titration Acidity Range 0-100 mg/L (ppm) 0-500 mg/L (ppm) Acidity Method methyl orange / phenolphthalein Acidity Number of Tests 110 avg Alkalinity Measurement Type titration Alkalinity Range 0-100 mg/L (ppm) 0-300 mg/L (ppm) Alkalinity Resolution 1 mg/L , 3 mg/L Alkalinity Method phenolphthalein / bromophenol blue Alkalinity Number of Test 110 avg Marine Ammonia Range 0.00 to 2.50 ppm (mg/L) NH 3 Marine Ammonia Resolution 0.01 ppm (mg/L) Marine Ammonia Accuracy ±0.05 ppm ±5% of reading @ 25 °C (77 °F) Carbon Dioxide Measurement Type titration Carbon Dioxide Range 0.0-10.0 mg/L (ppm) 0.0-50.0 mg/L (ppm) 0-100 mg/L (ppm) Carbon Dioxide Method phenolphthalein Carbon Dioxide Number of Tests 110 avg Marine Nitrate HR Range 0.0 to 75.0 ppm (as NO 3 –) Marine Nitrate Resolution 0.1 ppm Marine Nitrate Accuracy ±2.0 ppm ±5% of reading @ 25 °C (77 °F) Nitrate Method Zinc reduction method. The reaction between nitrate and the reagent causes a pink tint in the sample. This checker has been developed to work with seawater samples. Nitrite Measurement Type colorimetric Nitrite Range 0.0-1.0 mg/L (ppm) Phosphate Measurement Type colorimetric Phosphate Range 0-5 mg/L (ppm) Phosphate Method ascorbic acid Phosphate Number of Test 50 Salinity Measurement Type titration Salinity Range 0.0 to 40.0 g/kg Salinity Resolution 0.4 g/kg Salinity Method mercuric nitrate Salinity Number of Tests 110 avg related_products [4816, 4789, 5912, 6390] Ordering Information Backpack Lab includes acidity test kit, alkalinity test kit, marine ammonia handheld colorimeter, carbon dioxide test kit, dissolved oxygen test kit, marine nitrate high range handheld colorimeter, nitrite test kit, phosphate test kit, salinity test kit, secchi disc, hydrometer, HI98129 Combo pH/EC/TDS/temperature tester, set of 6 field test procedures, teacher's guide and backpack.
- PH Calibration
- automatic, one or two-point with two sets of standard buffers (pH 4.01 / 7.01 / 10.01 or 4.01 / 6.86 / 9.18) TDS Range 0 to 2000 mg/L TDS Resolution 1 mg/L TDS Accuracy ±2% F.S. TDS Calibration automatic, one point at 1382 mg/L (ppm) Dissolved Oxygen Measurement Type titration Dissolved Oxygen Range 0.0 to 10.0 mg/L O‚‚ Dissolved Oxygen Resolution 0.1 mg/L Dissolved Oxygen Measurement Method modified Winkler Dissolved Oxygen Number of Test 110 avg Temperature Range 0.0 to 60.0°C / 32.0 to 140.0°F Temperature Resolution 0.1°C / 0.1°F Temperature Accuracy ±0.5°C / 1°F Acidity Measurement Type titration Acidity Range 0-100 mg/L (ppm) 0-500 mg/L (ppm) Acidity Method methyl orange / phenolphthalein Acidity Number of Tests 110 avg Alkalinity Measurement Type titration Alkalinity Range 0-100 mg/L (ppm) 0-300 mg/L (ppm) Alkalinity Resolution 1 mg/L , 3 mg/L Alkalinity Method phenolphthalein / bromophenol blue Alkalinity Number of Test 110 avg Marine Ammonia Range 0.00 to 2.50 ppm (mg/L) NH 3 Marine Ammonia Resolution 0.01 ppm (mg/L) Marine Ammonia Accuracy ±0.05 ppm ±5% of reading @ 25 °C (77 °F) Carbon Dioxide Measurement Type titration Carbon Dioxide Range 0.0-10.0 mg/L (ppm) 0.0-50.0 mg/L (ppm) 0-100 mg/L (ppm) Carbon Dioxide Method phenolphthalein Carbon Dioxide Number of Tests 110 avg Marine Nitrate HR Range 0.0 to 75.0 ppm (as NO 3 –) Marine Nitrate Resolution 0.1 ppm Marine Nitrate Accuracy ±2.0 ppm ±5% of reading @ 25 °C (77 °F) Nitrate Method Zinc reduction method. The reaction between nitrate and the reagent causes a pink tint in the sample. This checker has been developed to work with seawater samples. Nitrite Measurement Type colorimetric Nitrite Range 0.0-1.0 mg/L (ppm) Phosphate Measurement Type colorimetric Phosphate Range 0-5 mg/L (ppm) Phosphate Method ascorbic acid Phosphate Number of Test 50 Salinity Measurement Type titration Salinity Range 0.0 to 40.0 g/kg Salinity Resolution 0.4 g/kg Salinity Method mercuric nitrate Salinity Number of Tests 110 avg related_products [4816, 4789, 5912, 6390] Ordering Information Backpack Lab includes acidity test kit, alkalinity test kit, marine ammonia handheld colorimeter, carbon dioxide test kit, dissolved oxygen test kit, marine nitrate high range handheld colorimeter, nitrite test kit, phosphate test kit, salinity test kit, secchi disc, hydrometer, HI98129 Combo pH/EC/TDS/temperature tester, set of 6 field test procedures, teacher's guide and backpack.
- Phosphate Range
- 0-5 mg/L (ppm) Phosphate Method ascorbic acid Phosphate Number of Test 50 Salinity Measurement Type titration Salinity Range 0.0 to 40.0 g/kg Salinity Resolution 0.4 g/kg Salinity Method mercuric nitrate Salinity Number of Tests 110 avg related_products [4816, 4789, 5912, 6390] Ordering Information Backpack Lab includes acidity test kit, alkalinity test kit, marine ammonia handheld colorimeter, carbon dioxide test kit, dissolved oxygen test kit, marine nitrate high range handheld colorimeter, nitrite test kit, phosphate test kit, salinity test kit, secchi disc, hydrometer, HI98129 Combo pH/EC/TDS/temperature tester, set of 6 field test procedures, teacher's guide and backpack.
- Salinity Method
- mercuric nitrate Salinity Number of Tests 110 avg related_products [4816, 4789, 5912, 6390] Ordering Information Backpack Lab includes acidity test kit, alkalinity test kit, marine ammonia handheld colorimeter, carbon dioxide test kit, dissolved oxygen test kit, marine nitrate high range handheld colorimeter, nitrite test kit, phosphate test kit, salinity test kit, secchi disc, hydrometer, HI98129 Combo pH/EC/TDS/temperature tester, set of 6 field test procedures, teacher's guide and backpack.
- TDS Calibration
- automatic, one point at 1382 mg/L (ppm) Dissolved Oxygen Measurement Type titration Dissolved Oxygen Range 0.0 to 10.0 mg/L O‚‚ Dissolved Oxygen Resolution 0.1 mg/L Dissolved Oxygen Measurement Method modified Winkler Dissolved Oxygen Number of Test 110 avg Temperature Range 0.0 to 60.0°C / 32.0 to 140.0°F Temperature Resolution 0.1°C / 0.1°F Temperature Accuracy ±0.5°C / 1°F Acidity Measurement Type titration Acidity Range 0-100 mg/L (ppm) 0-500 mg/L (ppm) Acidity Method methyl orange / phenolphthalein Acidity Number of Tests 110 avg Alkalinity Measurement Type titration Alkalinity Range 0-100 mg/L (ppm) 0-300 mg/L (ppm) Alkalinity Resolution 1 mg/L , 3 mg/L Alkalinity Method phenolphthalein / bromophenol blue Alkalinity Number of Test 110 avg Marine Ammonia Range 0.00 to 2.50 ppm (mg/L) NH 3 Marine Ammonia Resolution 0.01 ppm (mg/L) Marine Ammonia Accuracy ±0.05 ppm ±5% of reading @ 25 °C (77 °F) Carbon Dioxide Measurement Type titration Carbon Dioxide Range 0.0-10.0 mg/L (ppm) 0.0-50.0 mg/L (ppm) 0-100 mg/L (ppm) Carbon Dioxide Method phenolphthalein Carbon Dioxide Number of Tests 110 avg Marine Nitrate HR Range 0.0 to 75.0 ppm (as NO 3 –) Marine Nitrate Resolution 0.1 ppm Marine Nitrate Accuracy ±2.0 ppm ±5% of reading @ 25 °C (77 °F) Nitrate Method Zinc reduction method. The reaction between nitrate and the reagent causes a pink tint in the sample. This checker has been developed to work with seawater samples. Nitrite Measurement Type colorimetric Nitrite Range 0.0-1.0 mg/L (ppm) Phosphate Measurement Type colorimetric Phosphate Range 0-5 mg/L (ppm) Phosphate Method ascorbic acid Phosphate Number of Test 50 Salinity Measurement Type titration Salinity Range 0.0 to 40.0 g/kg Salinity Resolution 0.4 g/kg Salinity Method mercuric nitrate Salinity Number of Tests 110 avg related_products [4816, 4789, 5912, 6390] Ordering Information Backpack Lab includes acidity test kit, alkalinity test kit, marine ammonia handheld colorimeter, carbon dioxide test kit, dissolved oxygen test kit, marine nitrate high range handheld colorimeter, nitrite test kit, phosphate test kit, salinity test kit, secchi disc, hydrometer, HI98129 Combo pH/EC/TDS/temperature tester, set of 6 field test procedures, teacher's guide and backpack.
- Alkalinity Range
- 0-100 mg/L (ppm) 0-300 mg/L (ppm) Alkalinity Resolution 1 mg/L , 3 mg/L Alkalinity Method phenolphthalein / bromophenol blue Alkalinity Number of Test 110 avg Marine Ammonia Range 0.00 to 2.50 ppm (mg/L) NH 3 Marine Ammonia Resolution 0.01 ppm (mg/L) Marine Ammonia Accuracy ±0.05 ppm ±5% of reading @ 25 °C (77 °F) Carbon Dioxide Measurement Type titration Carbon Dioxide Range 0.0-10.0 mg/L (ppm) 0.0-50.0 mg/L (ppm) 0-100 mg/L (ppm) Carbon Dioxide Method phenolphthalein Carbon Dioxide Number of Tests 110 avg Marine Nitrate HR Range 0.0 to 75.0 ppm (as NO 3 –) Marine Nitrate Resolution 0.1 ppm Marine Nitrate Accuracy ±2.0 ppm ±5% of reading @ 25 °C (77 °F) Nitrate Method Zinc reduction method. The reaction between nitrate and the reagent causes a pink tint in the sample. This checker has been developed to work with seawater samples. Nitrite Measurement Type colorimetric Nitrite Range 0.0-1.0 mg/L (ppm) Phosphate Measurement Type colorimetric Phosphate Range 0-5 mg/L (ppm) Phosphate Method ascorbic acid Phosphate Number of Test 50 Salinity Measurement Type titration Salinity Range 0.0 to 40.0 g/kg Salinity Resolution 0.4 g/kg Salinity Method mercuric nitrate Salinity Number of Tests 110 avg related_products [4816, 4789, 5912, 6390] Ordering Information Backpack Lab includes acidity test kit, alkalinity test kit, marine ammonia handheld colorimeter, carbon dioxide test kit, dissolved oxygen test kit, marine nitrate high range handheld colorimeter, nitrite test kit, phosphate test kit, salinity test kit, secchi disc, hydrometer, HI98129 Combo pH/EC/TDS/temperature tester, set of 6 field test procedures, teacher's guide and backpack.
- Phosphate Method
- ascorbic acid Phosphate Number of Test 50 Salinity Measurement Type titration Salinity Range 0.0 to 40.0 g/kg Salinity Resolution 0.4 g/kg Salinity Method mercuric nitrate Salinity Number of Tests 110 avg related_products [4816, 4789, 5912, 6390] Ordering Information Backpack Lab includes acidity test kit, alkalinity test kit, marine ammonia handheld colorimeter, carbon dioxide test kit, dissolved oxygen test kit, marine nitrate high range handheld colorimeter, nitrite test kit, phosphate test kit, salinity test kit, secchi disc, hydrometer, HI98129 Combo pH/EC/TDS/temperature tester, set of 6 field test procedures, teacher's guide and backpack.
- Related products
- [4816, 4789, 5912, 6390] Ordering Information Backpack Lab includes acidity test kit, alkalinity test kit, marine ammonia handheld colorimeter, carbon dioxide test kit, dissolved oxygen test kit, marine nitrate high range handheld colorimeter, nitrite test kit, phosphate test kit, salinity test kit, secchi disc, hydrometer, HI98129 Combo pH/EC/TDS/temperature tester, set of 6 field test procedures, teacher's guide and backpack.
- Alkalinity Method
- phenolphthalein / bromophenol blue Alkalinity Number of Test 110 avg Marine Ammonia Range 0.00 to 2.50 ppm (mg/L) NH 3 Marine Ammonia Resolution 0.01 ppm (mg/L) Marine Ammonia Accuracy ±0.05 ppm ±5% of reading @ 25 °C (77 °F) Carbon Dioxide Measurement Type titration Carbon Dioxide Range 0.0-10.0 mg/L (ppm) 0.0-50.0 mg/L (ppm) 0-100 mg/L (ppm) Carbon Dioxide Method phenolphthalein Carbon Dioxide Number of Tests 110 avg Marine Nitrate HR Range 0.0 to 75.0 ppm (as NO 3 –) Marine Nitrate Resolution 0.1 ppm Marine Nitrate Accuracy ±2.0 ppm ±5% of reading @ 25 °C (77 °F) Nitrate Method Zinc reduction method. The reaction between nitrate and the reagent causes a pink tint in the sample. This checker has been developed to work with seawater samples. Nitrite Measurement Type colorimetric Nitrite Range 0.0-1.0 mg/L (ppm) Phosphate Measurement Type colorimetric Phosphate Range 0-5 mg/L (ppm) Phosphate Method ascorbic acid Phosphate Number of Test 50 Salinity Measurement Type titration Salinity Range 0.0 to 40.0 g/kg Salinity Resolution 0.4 g/kg Salinity Method mercuric nitrate Salinity Number of Tests 110 avg related_products [4816, 4789, 5912, 6390] Ordering Information Backpack Lab includes acidity test kit, alkalinity test kit, marine ammonia handheld colorimeter, carbon dioxide test kit, dissolved oxygen test kit, marine nitrate high range handheld colorimeter, nitrite test kit, phosphate test kit, salinity test kit, secchi disc, hydrometer, HI98129 Combo pH/EC/TDS/temperature tester, set of 6 field test procedures, teacher's guide and backpack.
- Temperature Range
- 0.0 to 60.0°C / 32.0 to 140.0°F Temperature Resolution 0.1°C / 0.1°F Temperature Accuracy ±0.5°C / 1°F Acidity Measurement Type titration Acidity Range 0-100 mg/L (ppm) 0-500 mg/L (ppm) Acidity Method methyl orange / phenolphthalein Acidity Number of Tests 110 avg Alkalinity Measurement Type titration Alkalinity Range 0-100 mg/L (ppm) 0-300 mg/L (ppm) Alkalinity Resolution 1 mg/L , 3 mg/L Alkalinity Method phenolphthalein / bromophenol blue Alkalinity Number of Test 110 avg Marine Ammonia Range 0.00 to 2.50 ppm (mg/L) NH 3 Marine Ammonia Resolution 0.01 ppm (mg/L) Marine Ammonia Accuracy ±0.05 ppm ±5% of reading @ 25 °C (77 °F) Carbon Dioxide Measurement Type titration Carbon Dioxide Range 0.0-10.0 mg/L (ppm) 0.0-50.0 mg/L (ppm) 0-100 mg/L (ppm) Carbon Dioxide Method phenolphthalein Carbon Dioxide Number of Tests 110 avg Marine Nitrate HR Range 0.0 to 75.0 ppm (as NO 3 –) Marine Nitrate Resolution 0.1 ppm Marine Nitrate Accuracy ±2.0 ppm ±5% of reading @ 25 °C (77 °F) Nitrate Method Zinc reduction method. The reaction between nitrate and the reagent causes a pink tint in the sample. This checker has been developed to work with seawater samples. Nitrite Measurement Type colorimetric Nitrite Range 0.0-1.0 mg/L (ppm) Phosphate Measurement Type colorimetric Phosphate Range 0-5 mg/L (ppm) Phosphate Method ascorbic acid Phosphate Number of Test 50 Salinity Measurement Type titration Salinity Range 0.0 to 40.0 g/kg Salinity Resolution 0.4 g/kg Salinity Method mercuric nitrate Salinity Number of Tests 110 avg related_products [4816, 4789, 5912, 6390] Ordering Information Backpack Lab includes acidity test kit, alkalinity test kit, marine ammonia handheld colorimeter, carbon dioxide test kit, dissolved oxygen test kit, marine nitrate high range handheld colorimeter, nitrite test kit, phosphate test kit, salinity test kit, secchi disc, hydrometer, HI98129 Combo pH/EC/TDS/temperature tester, set of 6 field test procedures, teacher's guide and backpack.
- Salinity Resolution
- 0.4 g/kg Salinity Method mercuric nitrate Salinity Number of Tests 110 avg related_products [4816, 4789, 5912, 6390] Ordering Information Backpack Lab includes acidity test kit, alkalinity test kit, marine ammonia handheld colorimeter, carbon dioxide test kit, dissolved oxygen test kit, marine nitrate high range handheld colorimeter, nitrite test kit, phosphate test kit, salinity test kit, secchi disc, hydrometer, HI98129 Combo pH/EC/TDS/temperature tester, set of 6 field test procedures, teacher's guide and backpack.
- Carbon Dioxide Range
- 0.0-10.0 mg/L (ppm) 0.0-50.0 mg/L (ppm) 0-100 mg/L (ppm) Carbon Dioxide Method phenolphthalein Carbon Dioxide Number of Tests 110 avg Marine Nitrate HR Range 0.0 to 75.0 ppm (as NO 3 –) Marine Nitrate Resolution 0.1 ppm Marine Nitrate Accuracy ±2.0 ppm ±5% of reading @ 25 °C (77 °F) Nitrate Method Zinc reduction method. The reaction between nitrate and the reagent causes a pink tint in the sample. This checker has been developed to work with seawater samples. Nitrite Measurement Type colorimetric Nitrite Range 0.0-1.0 mg/L (ppm) Phosphate Measurement Type colorimetric Phosphate Range 0-5 mg/L (ppm) Phosphate Method ascorbic acid Phosphate Number of Test 50 Salinity Measurement Type titration Salinity Range 0.0 to 40.0 g/kg Salinity Resolution 0.4 g/kg Salinity Method mercuric nitrate Salinity Number of Tests 110 avg related_products [4816, 4789, 5912, 6390] Ordering Information Backpack Lab includes acidity test kit, alkalinity test kit, marine ammonia handheld colorimeter, carbon dioxide test kit, dissolved oxygen test kit, marine nitrate high range handheld colorimeter, nitrite test kit, phosphate test kit, salinity test kit, secchi disc, hydrometer, HI98129 Combo pH/EC/TDS/temperature tester, set of 6 field test procedures, teacher's guide and backpack.
- Marine Ammonia Range
- 0.00 to 2.50 ppm (mg/L) NH 3 Marine Ammonia Resolution 0.01 ppm (mg/L) Marine Ammonia Accuracy ±0.05 ppm ±5% of reading @ 25 °C (77 °F) Carbon Dioxide Measurement Type titration Carbon Dioxide Range 0.0-10.0 mg/L (ppm) 0.0-50.0 mg/L (ppm) 0-100 mg/L (ppm) Carbon Dioxide Method phenolphthalein Carbon Dioxide Number of Tests 110 avg Marine Nitrate HR Range 0.0 to 75.0 ppm (as NO 3 –) Marine Nitrate Resolution 0.1 ppm Marine Nitrate Accuracy ±2.0 ppm ±5% of reading @ 25 °C (77 °F) Nitrate Method Zinc reduction method. The reaction between nitrate and the reagent causes a pink tint in the sample. This checker has been developed to work with seawater samples. Nitrite Measurement Type colorimetric Nitrite Range 0.0-1.0 mg/L (ppm) Phosphate Measurement Type colorimetric Phosphate Range 0-5 mg/L (ppm) Phosphate Method ascorbic acid Phosphate Number of Test 50 Salinity Measurement Type titration Salinity Range 0.0 to 40.0 g/kg Salinity Resolution 0.4 g/kg Salinity Method mercuric nitrate Salinity Number of Tests 110 avg related_products [4816, 4789, 5912, 6390] Ordering Information Backpack Lab includes acidity test kit, alkalinity test kit, marine ammonia handheld colorimeter, carbon dioxide test kit, dissolved oxygen test kit, marine nitrate high range handheld colorimeter, nitrite test kit, phosphate test kit, salinity test kit, secchi disc, hydrometer, HI98129 Combo pH/EC/TDS/temperature tester, set of 6 field test procedures, teacher's guide and backpack.
- Ordering Information
- Backpack Lab includes acidity test kit, alkalinity test kit, marine ammonia handheld colorimeter, carbon dioxide test kit, dissolved oxygen test kit, marine nitrate high range handheld colorimeter, nitrite test kit, phosphate test kit, salinity test kit, secchi disc, hydrometer, HI98129 Combo pH/EC/TDS/temperature tester, set of 6 field test procedures, teacher's guide and backpack.
- Temperature Accuracy
- ±0.5°C / 1°F Acidity Measurement Type titration Acidity Range 0-100 mg/L (ppm) 0-500 mg/L (ppm) Acidity Method methyl orange / phenolphthalein Acidity Number of Tests 110 avg Alkalinity Measurement Type titration Alkalinity Range 0-100 mg/L (ppm) 0-300 mg/L (ppm) Alkalinity Resolution 1 mg/L , 3 mg/L Alkalinity Method phenolphthalein / bromophenol blue Alkalinity Number of Test 110 avg Marine Ammonia Range 0.00 to 2.50 ppm (mg/L) NH 3 Marine Ammonia Resolution 0.01 ppm (mg/L) Marine Ammonia Accuracy ±0.05 ppm ±5% of reading @ 25 °C (77 °F) Carbon Dioxide Measurement Type titration Carbon Dioxide Range 0.0-10.0 mg/L (ppm) 0.0-50.0 mg/L (ppm) 0-100 mg/L (ppm) Carbon Dioxide Method phenolphthalein Carbon Dioxide Number of Tests 110 avg Marine Nitrate HR Range 0.0 to 75.0 ppm (as NO 3 –) Marine Nitrate Resolution 0.1 ppm Marine Nitrate Accuracy ±2.0 ppm ±5% of reading @ 25 °C (77 °F) Nitrate Method Zinc reduction method. The reaction between nitrate and the reagent causes a pink tint in the sample. This checker has been developed to work with seawater samples. Nitrite Measurement Type colorimetric Nitrite Range 0.0-1.0 mg/L (ppm) Phosphate Measurement Type colorimetric Phosphate Range 0-5 mg/L (ppm) Phosphate Method ascorbic acid Phosphate Number of Test 50 Salinity Measurement Type titration Salinity Range 0.0 to 40.0 g/kg Salinity Resolution 0.4 g/kg Salinity Method mercuric nitrate Salinity Number of Tests 110 avg related_products [4816, 4789, 5912, 6390] Ordering Information Backpack Lab includes acidity test kit, alkalinity test kit, marine ammonia handheld colorimeter, carbon dioxide test kit, dissolved oxygen test kit, marine nitrate high range handheld colorimeter, nitrite test kit, phosphate test kit, salinity test kit, secchi disc, hydrometer, HI98129 Combo pH/EC/TDS/temperature tester, set of 6 field test procedures, teacher's guide and backpack.
- Alkalinity Resolution
- 1 mg/L , 3 mg/L Alkalinity Method phenolphthalein / bromophenol blue Alkalinity Number of Test 110 avg Marine Ammonia Range 0.00 to 2.50 ppm (mg/L) NH 3 Marine Ammonia Resolution 0.01 ppm (mg/L) Marine Ammonia Accuracy ±0.05 ppm ±5% of reading @ 25 °C (77 °F) Carbon Dioxide Measurement Type titration Carbon Dioxide Range 0.0-10.0 mg/L (ppm) 0.0-50.0 mg/L (ppm) 0-100 mg/L (ppm) Carbon Dioxide Method phenolphthalein Carbon Dioxide Number of Tests 110 avg Marine Nitrate HR Range 0.0 to 75.0 ppm (as NO 3 –) Marine Nitrate Resolution 0.1 ppm Marine Nitrate Accuracy ±2.0 ppm ±5% of reading @ 25 °C (77 °F) Nitrate Method Zinc reduction method. The reaction between nitrate and the reagent causes a pink tint in the sample. This checker has been developed to work with seawater samples. Nitrite Measurement Type colorimetric Nitrite Range 0.0-1.0 mg/L (ppm) Phosphate Measurement Type colorimetric Phosphate Range 0-5 mg/L (ppm) Phosphate Method ascorbic acid Phosphate Number of Test 50 Salinity Measurement Type titration Salinity Range 0.0 to 40.0 g/kg Salinity Resolution 0.4 g/kg Salinity Method mercuric nitrate Salinity Number of Tests 110 avg related_products [4816, 4789, 5912, 6390] Ordering Information Backpack Lab includes acidity test kit, alkalinity test kit, marine ammonia handheld colorimeter, carbon dioxide test kit, dissolved oxygen test kit, marine nitrate high range handheld colorimeter, nitrite test kit, phosphate test kit, salinity test kit, secchi disc, hydrometer, HI98129 Combo pH/EC/TDS/temperature tester, set of 6 field test procedures, teacher's guide and backpack.
- Carbon Dioxide Method
- phenolphthalein Carbon Dioxide Number of Tests 110 avg Marine Nitrate HR Range 0.0 to 75.0 ppm (as NO 3 –) Marine Nitrate Resolution 0.1 ppm Marine Nitrate Accuracy ±2.0 ppm ±5% of reading @ 25 °C (77 °F) Nitrate Method Zinc reduction method. The reaction between nitrate and the reagent causes a pink tint in the sample. This checker has been developed to work with seawater samples. Nitrite Measurement Type colorimetric Nitrite Range 0.0-1.0 mg/L (ppm) Phosphate Measurement Type colorimetric Phosphate Range 0-5 mg/L (ppm) Phosphate Method ascorbic acid Phosphate Number of Test 50 Salinity Measurement Type titration Salinity Range 0.0 to 40.0 g/kg Salinity Resolution 0.4 g/kg Salinity Method mercuric nitrate Salinity Number of Tests 110 avg related_products [4816, 4789, 5912, 6390] Ordering Information Backpack Lab includes acidity test kit, alkalinity test kit, marine ammonia handheld colorimeter, carbon dioxide test kit, dissolved oxygen test kit, marine nitrate high range handheld colorimeter, nitrite test kit, phosphate test kit, salinity test kit, secchi disc, hydrometer, HI98129 Combo pH/EC/TDS/temperature tester, set of 6 field test procedures, teacher's guide and backpack.
- Dissolved Oxygen Range
- 0.0 to 10.0 mg/L O‚‚ Dissolved Oxygen Resolution 0.1 mg/L Dissolved Oxygen Measurement Method modified Winkler Dissolved Oxygen Number of Test 110 avg Temperature Range 0.0 to 60.0°C / 32.0 to 140.0°F Temperature Resolution 0.1°C / 0.1°F Temperature Accuracy ±0.5°C / 1°F Acidity Measurement Type titration Acidity Range 0-100 mg/L (ppm) 0-500 mg/L (ppm) Acidity Method methyl orange / phenolphthalein Acidity Number of Tests 110 avg Alkalinity Measurement Type titration Alkalinity Range 0-100 mg/L (ppm) 0-300 mg/L (ppm) Alkalinity Resolution 1 mg/L , 3 mg/L Alkalinity Method phenolphthalein / bromophenol blue Alkalinity Number of Test 110 avg Marine Ammonia Range 0.00 to 2.50 ppm (mg/L) NH 3 Marine Ammonia Resolution 0.01 ppm (mg/L) Marine Ammonia Accuracy ±0.05 ppm ±5% of reading @ 25 °C (77 °F) Carbon Dioxide Measurement Type titration Carbon Dioxide Range 0.0-10.0 mg/L (ppm) 0.0-50.0 mg/L (ppm) 0-100 mg/L (ppm) Carbon Dioxide Method phenolphthalein Carbon Dioxide Number of Tests 110 avg Marine Nitrate HR Range 0.0 to 75.0 ppm (as NO 3 –) Marine Nitrate Resolution 0.1 ppm Marine Nitrate Accuracy ±2.0 ppm ±5% of reading @ 25 °C (77 °F) Nitrate Method Zinc reduction method. The reaction between nitrate and the reagent causes a pink tint in the sample. This checker has been developed to work with seawater samples. Nitrite Measurement Type colorimetric Nitrite Range 0.0-1.0 mg/L (ppm) Phosphate Measurement Type colorimetric Phosphate Range 0-5 mg/L (ppm) Phosphate Method ascorbic acid Phosphate Number of Test 50 Salinity Measurement Type titration Salinity Range 0.0 to 40.0 g/kg Salinity Resolution 0.4 g/kg Salinity Method mercuric nitrate Salinity Number of Tests 110 avg related_products [4816, 4789, 5912, 6390] Ordering Information Backpack Lab includes acidity test kit, alkalinity test kit, marine ammonia handheld colorimeter, carbon dioxide test kit, dissolved oxygen test kit, marine nitrate high range handheld colorimeter, nitrite test kit, phosphate test kit, salinity test kit, secchi disc, hydrometer, HI98129 Combo pH/EC/TDS/temperature tester, set of 6 field test procedures, teacher's guide and backpack.
- Temperature Resolution
- 0.1°C / 0.1°F Temperature Accuracy ±0.5°C / 1°F Acidity Measurement Type titration Acidity Range 0-100 mg/L (ppm) 0-500 mg/L (ppm) Acidity Method methyl orange / phenolphthalein Acidity Number of Tests 110 avg Alkalinity Measurement Type titration Alkalinity Range 0-100 mg/L (ppm) 0-300 mg/L (ppm) Alkalinity Resolution 1 mg/L , 3 mg/L Alkalinity Method phenolphthalein / bromophenol blue Alkalinity Number of Test 110 avg Marine Ammonia Range 0.00 to 2.50 ppm (mg/L) NH 3 Marine Ammonia Resolution 0.01 ppm (mg/L) Marine Ammonia Accuracy ±0.05 ppm ±5% of reading @ 25 °C (77 °F) Carbon Dioxide Measurement Type titration Carbon Dioxide Range 0.0-10.0 mg/L (ppm) 0.0-50.0 mg/L (ppm) 0-100 mg/L (ppm) Carbon Dioxide Method phenolphthalein Carbon Dioxide Number of Tests 110 avg Marine Nitrate HR Range 0.0 to 75.0 ppm (as NO 3 –) Marine Nitrate Resolution 0.1 ppm Marine Nitrate Accuracy ±2.0 ppm ±5% of reading @ 25 °C (77 °F) Nitrate Method Zinc reduction method. The reaction between nitrate and the reagent causes a pink tint in the sample. This checker has been developed to work with seawater samples. Nitrite Measurement Type colorimetric Nitrite Range 0.0-1.0 mg/L (ppm) Phosphate Measurement Type colorimetric Phosphate Range 0-5 mg/L (ppm) Phosphate Method ascorbic acid Phosphate Number of Test 50 Salinity Measurement Type titration Salinity Range 0.0 to 40.0 g/kg Salinity Resolution 0.4 g/kg Salinity Method mercuric nitrate Salinity Number of Tests 110 avg related_products [4816, 4789, 5912, 6390] Ordering Information Backpack Lab includes acidity test kit, alkalinity test kit, marine ammonia handheld colorimeter, carbon dioxide test kit, dissolved oxygen test kit, marine nitrate high range handheld colorimeter, nitrite test kit, phosphate test kit, salinity test kit, secchi disc, hydrometer, HI98129 Combo pH/EC/TDS/temperature tester, set of 6 field test procedures, teacher's guide and backpack.
- Acidity Number of Tests
- 110 avg Alkalinity Measurement Type titration Alkalinity Range 0-100 mg/L (ppm) 0-300 mg/L (ppm) Alkalinity Resolution 1 mg/L , 3 mg/L Alkalinity Method phenolphthalein / bromophenol blue Alkalinity Number of Test 110 avg Marine Ammonia Range 0.00 to 2.50 ppm (mg/L) NH 3 Marine Ammonia Resolution 0.01 ppm (mg/L) Marine Ammonia Accuracy ±0.05 ppm ±5% of reading @ 25 °C (77 °F) Carbon Dioxide Measurement Type titration Carbon Dioxide Range 0.0-10.0 mg/L (ppm) 0.0-50.0 mg/L (ppm) 0-100 mg/L (ppm) Carbon Dioxide Method phenolphthalein Carbon Dioxide Number of Tests 110 avg Marine Nitrate HR Range 0.0 to 75.0 ppm (as NO 3 –) Marine Nitrate Resolution 0.1 ppm Marine Nitrate Accuracy ±2.0 ppm ±5% of reading @ 25 °C (77 °F) Nitrate Method Zinc reduction method. The reaction between nitrate and the reagent causes a pink tint in the sample. This checker has been developed to work with seawater samples. Nitrite Measurement Type colorimetric Nitrite Range 0.0-1.0 mg/L (ppm) Phosphate Measurement Type colorimetric Phosphate Range 0-5 mg/L (ppm) Phosphate Method ascorbic acid Phosphate Number of Test 50 Salinity Measurement Type titration Salinity Range 0.0 to 40.0 g/kg Salinity Resolution 0.4 g/kg Salinity Method mercuric nitrate Salinity Number of Tests 110 avg related_products [4816, 4789, 5912, 6390] Ordering Information Backpack Lab includes acidity test kit, alkalinity test kit, marine ammonia handheld colorimeter, carbon dioxide test kit, dissolved oxygen test kit, marine nitrate high range handheld colorimeter, nitrite test kit, phosphate test kit, salinity test kit, secchi disc, hydrometer, HI98129 Combo pH/EC/TDS/temperature tester, set of 6 field test procedures, teacher's guide and backpack.
- Marine Ammonia Accuracy
- ±0.05 ppm ±5% of reading @ 25 °C (77 °F) Carbon Dioxide Measurement Type titration Carbon Dioxide Range 0.0-10.0 mg/L (ppm) 0.0-50.0 mg/L (ppm) 0-100 mg/L (ppm) Carbon Dioxide Method phenolphthalein Carbon Dioxide Number of Tests 110 avg Marine Nitrate HR Range 0.0 to 75.0 ppm (as NO 3 –) Marine Nitrate Resolution 0.1 ppm Marine Nitrate Accuracy ±2.0 ppm ±5% of reading @ 25 °C (77 °F) Nitrate Method Zinc reduction method. The reaction between nitrate and the reagent causes a pink tint in the sample. This checker has been developed to work with seawater samples. Nitrite Measurement Type colorimetric Nitrite Range 0.0-1.0 mg/L (ppm) Phosphate Measurement Type colorimetric Phosphate Range 0-5 mg/L (ppm) Phosphate Method ascorbic acid Phosphate Number of Test 50 Salinity Measurement Type titration Salinity Range 0.0 to 40.0 g/kg Salinity Resolution 0.4 g/kg Salinity Method mercuric nitrate Salinity Number of Tests 110 avg related_products [4816, 4789, 5912, 6390] Ordering Information Backpack Lab includes acidity test kit, alkalinity test kit, marine ammonia handheld colorimeter, carbon dioxide test kit, dissolved oxygen test kit, marine nitrate high range handheld colorimeter, nitrite test kit, phosphate test kit, salinity test kit, secchi disc, hydrometer, HI98129 Combo pH/EC/TDS/temperature tester, set of 6 field test procedures, teacher's guide and backpack.
- Marine Nitrate Accuracy
- ±2.0 ppm ±5% of reading @ 25 °C (77 °F) Nitrate Method Zinc reduction method. The reaction between nitrate and the reagent causes a pink tint in the sample. This checker has been developed to work with seawater samples. Nitrite Measurement Type colorimetric Nitrite Range 0.0-1.0 mg/L (ppm) Phosphate Measurement Type colorimetric Phosphate Range 0-5 mg/L (ppm) Phosphate Method ascorbic acid Phosphate Number of Test 50 Salinity Measurement Type titration Salinity Range 0.0 to 40.0 g/kg Salinity Resolution 0.4 g/kg Salinity Method mercuric nitrate Salinity Number of Tests 110 avg related_products [4816, 4789, 5912, 6390] Ordering Information Backpack Lab includes acidity test kit, alkalinity test kit, marine ammonia handheld colorimeter, carbon dioxide test kit, dissolved oxygen test kit, marine nitrate high range handheld colorimeter, nitrite test kit, phosphate test kit, salinity test kit, secchi disc, hydrometer, HI98129 Combo pH/EC/TDS/temperature tester, set of 6 field test procedures, teacher's guide and backpack.
- Marine Nitrate HR Range
- 0.0 to 75.0 ppm (as NO 3 –) Marine Nitrate Resolution 0.1 ppm Marine Nitrate Accuracy ±2.0 ppm ±5% of reading @ 25 °C (77 °F) Nitrate Method Zinc reduction method. The reaction between nitrate and the reagent causes a pink tint in the sample. This checker has been developed to work with seawater samples. Nitrite Measurement Type colorimetric Nitrite Range 0.0-1.0 mg/L (ppm) Phosphate Measurement Type colorimetric Phosphate Range 0-5 mg/L (ppm) Phosphate Method ascorbic acid Phosphate Number of Test 50 Salinity Measurement Type titration Salinity Range 0.0 to 40.0 g/kg Salinity Resolution 0.4 g/kg Salinity Method mercuric nitrate Salinity Number of Tests 110 avg related_products [4816, 4789, 5912, 6390] Ordering Information Backpack Lab includes acidity test kit, alkalinity test kit, marine ammonia handheld colorimeter, carbon dioxide test kit, dissolved oxygen test kit, marine nitrate high range handheld colorimeter, nitrite test kit, phosphate test kit, salinity test kit, secchi disc, hydrometer, HI98129 Combo pH/EC/TDS/temperature tester, set of 6 field test procedures, teacher's guide and backpack.
- Acidity Measurement Type
- titration Acidity Range 0-100 mg/L (ppm) 0-500 mg/L (ppm) Acidity Method methyl orange / phenolphthalein Acidity Number of Tests 110 avg Alkalinity Measurement Type titration Alkalinity Range 0-100 mg/L (ppm) 0-300 mg/L (ppm) Alkalinity Resolution 1 mg/L , 3 mg/L Alkalinity Method phenolphthalein / bromophenol blue Alkalinity Number of Test 110 avg Marine Ammonia Range 0.00 to 2.50 ppm (mg/L) NH 3 Marine Ammonia Resolution 0.01 ppm (mg/L) Marine Ammonia Accuracy ±0.05 ppm ±5% of reading @ 25 °C (77 °F) Carbon Dioxide Measurement Type titration Carbon Dioxide Range 0.0-10.0 mg/L (ppm) 0.0-50.0 mg/L (ppm) 0-100 mg/L (ppm) Carbon Dioxide Method phenolphthalein Carbon Dioxide Number of Tests 110 avg Marine Nitrate HR Range 0.0 to 75.0 ppm (as NO 3 –) Marine Nitrate Resolution 0.1 ppm Marine Nitrate Accuracy ±2.0 ppm ±5% of reading @ 25 °C (77 °F) Nitrate Method Zinc reduction method. The reaction between nitrate and the reagent causes a pink tint in the sample. This checker has been developed to work with seawater samples. Nitrite Measurement Type colorimetric Nitrite Range 0.0-1.0 mg/L (ppm) Phosphate Measurement Type colorimetric Phosphate Range 0-5 mg/L (ppm) Phosphate Method ascorbic acid Phosphate Number of Test 50 Salinity Measurement Type titration Salinity Range 0.0 to 40.0 g/kg Salinity Resolution 0.4 g/kg Salinity Method mercuric nitrate Salinity Number of Tests 110 avg related_products [4816, 4789, 5912, 6390] Ordering Information Backpack Lab includes acidity test kit, alkalinity test kit, marine ammonia handheld colorimeter, carbon dioxide test kit, dissolved oxygen test kit, marine nitrate high range handheld colorimeter, nitrite test kit, phosphate test kit, salinity test kit, secchi disc, hydrometer, HI98129 Combo pH/EC/TDS/temperature tester, set of 6 field test procedures, teacher's guide and backpack.
- Nitrite Measurement Type
- colorimetric Nitrite Range 0.0-1.0 mg/L (ppm) Phosphate Measurement Type colorimetric Phosphate Range 0-5 mg/L (ppm) Phosphate Method ascorbic acid Phosphate Number of Test 50 Salinity Measurement Type titration Salinity Range 0.0 to 40.0 g/kg Salinity Resolution 0.4 g/kg Salinity Method mercuric nitrate Salinity Number of Tests 110 avg related_products [4816, 4789, 5912, 6390] Ordering Information Backpack Lab includes acidity test kit, alkalinity test kit, marine ammonia handheld colorimeter, carbon dioxide test kit, dissolved oxygen test kit, marine nitrate high range handheld colorimeter, nitrite test kit, phosphate test kit, salinity test kit, secchi disc, hydrometer, HI98129 Combo pH/EC/TDS/temperature tester, set of 6 field test procedures, teacher's guide and backpack.
- Phosphate Number of Test
- 50 Salinity Measurement Type titration Salinity Range 0.0 to 40.0 g/kg Salinity Resolution 0.4 g/kg Salinity Method mercuric nitrate Salinity Number of Tests 110 avg related_products [4816, 4789, 5912, 6390] Ordering Information Backpack Lab includes acidity test kit, alkalinity test kit, marine ammonia handheld colorimeter, carbon dioxide test kit, dissolved oxygen test kit, marine nitrate high range handheld colorimeter, nitrite test kit, phosphate test kit, salinity test kit, secchi disc, hydrometer, HI98129 Combo pH/EC/TDS/temperature tester, set of 6 field test procedures, teacher's guide and backpack.
- Salinity Number of Tests
- 110 avg related_products [4816, 4789, 5912, 6390] Ordering Information Backpack Lab includes acidity test kit, alkalinity test kit, marine ammonia handheld colorimeter, carbon dioxide test kit, dissolved oxygen test kit, marine nitrate high range handheld colorimeter, nitrite test kit, phosphate test kit, salinity test kit, secchi disc, hydrometer, HI98129 Combo pH/EC/TDS/temperature tester, set of 6 field test procedures, teacher's guide and backpack.
- Alkalinity Number of Test
- 110 avg Marine Ammonia Range 0.00 to 2.50 ppm (mg/L) NH 3 Marine Ammonia Resolution 0.01 ppm (mg/L) Marine Ammonia Accuracy ±0.05 ppm ±5% of reading @ 25 °C (77 °F) Carbon Dioxide Measurement Type titration Carbon Dioxide Range 0.0-10.0 mg/L (ppm) 0.0-50.0 mg/L (ppm) 0-100 mg/L (ppm) Carbon Dioxide Method phenolphthalein Carbon Dioxide Number of Tests 110 avg Marine Nitrate HR Range 0.0 to 75.0 ppm (as NO 3 –) Marine Nitrate Resolution 0.1 ppm Marine Nitrate Accuracy ±2.0 ppm ±5% of reading @ 25 °C (77 °F) Nitrate Method Zinc reduction method. The reaction between nitrate and the reagent causes a pink tint in the sample. This checker has been developed to work with seawater samples. Nitrite Measurement Type colorimetric Nitrite Range 0.0-1.0 mg/L (ppm) Phosphate Measurement Type colorimetric Phosphate Range 0-5 mg/L (ppm) Phosphate Method ascorbic acid Phosphate Number of Test 50 Salinity Measurement Type titration Salinity Range 0.0 to 40.0 g/kg Salinity Resolution 0.4 g/kg Salinity Method mercuric nitrate Salinity Number of Tests 110 avg related_products [4816, 4789, 5912, 6390] Ordering Information Backpack Lab includes acidity test kit, alkalinity test kit, marine ammonia handheld colorimeter, carbon dioxide test kit, dissolved oxygen test kit, marine nitrate high range handheld colorimeter, nitrite test kit, phosphate test kit, salinity test kit, secchi disc, hydrometer, HI98129 Combo pH/EC/TDS/temperature tester, set of 6 field test procedures, teacher's guide and backpack.
- Marine Ammonia Resolution
- 0.01 ppm (mg/L) Marine Ammonia Accuracy ±0.05 ppm ±5% of reading @ 25 °C (77 °F) Carbon Dioxide Measurement Type titration Carbon Dioxide Range 0.0-10.0 mg/L (ppm) 0.0-50.0 mg/L (ppm) 0-100 mg/L (ppm) Carbon Dioxide Method phenolphthalein Carbon Dioxide Number of Tests 110 avg Marine Nitrate HR Range 0.0 to 75.0 ppm (as NO 3 –) Marine Nitrate Resolution 0.1 ppm Marine Nitrate Accuracy ±2.0 ppm ±5% of reading @ 25 °C (77 °F) Nitrate Method Zinc reduction method. The reaction between nitrate and the reagent causes a pink tint in the sample. This checker has been developed to work with seawater samples. Nitrite Measurement Type colorimetric Nitrite Range 0.0-1.0 mg/L (ppm) Phosphate Measurement Type colorimetric Phosphate Range 0-5 mg/L (ppm) Phosphate Method ascorbic acid Phosphate Number of Test 50 Salinity Measurement Type titration Salinity Range 0.0 to 40.0 g/kg Salinity Resolution 0.4 g/kg Salinity Method mercuric nitrate Salinity Number of Tests 110 avg related_products [4816, 4789, 5912, 6390] Ordering Information Backpack Lab includes acidity test kit, alkalinity test kit, marine ammonia handheld colorimeter, carbon dioxide test kit, dissolved oxygen test kit, marine nitrate high range handheld colorimeter, nitrite test kit, phosphate test kit, salinity test kit, secchi disc, hydrometer, HI98129 Combo pH/EC/TDS/temperature tester, set of 6 field test procedures, teacher's guide and backpack.
- Marine Nitrate Resolution
- 0.1 ppm Marine Nitrate Accuracy ±2.0 ppm ±5% of reading @ 25 °C (77 °F) Nitrate Method Zinc reduction method. The reaction between nitrate and the reagent causes a pink tint in the sample. This checker has been developed to work with seawater samples. Nitrite Measurement Type colorimetric Nitrite Range 0.0-1.0 mg/L (ppm) Phosphate Measurement Type colorimetric Phosphate Range 0-5 mg/L (ppm) Phosphate Method ascorbic acid Phosphate Number of Test 50 Salinity Measurement Type titration Salinity Range 0.0 to 40.0 g/kg Salinity Resolution 0.4 g/kg Salinity Method mercuric nitrate Salinity Number of Tests 110 avg related_products [4816, 4789, 5912, 6390] Ordering Information Backpack Lab includes acidity test kit, alkalinity test kit, marine ammonia handheld colorimeter, carbon dioxide test kit, dissolved oxygen test kit, marine nitrate high range handheld colorimeter, nitrite test kit, phosphate test kit, salinity test kit, secchi disc, hydrometer, HI98129 Combo pH/EC/TDS/temperature tester, set of 6 field test procedures, teacher's guide and backpack.
- Salinity Measurement Type
- titration Salinity Range 0.0 to 40.0 g/kg Salinity Resolution 0.4 g/kg Salinity Method mercuric nitrate Salinity Number of Tests 110 avg related_products [4816, 4789, 5912, 6390] Ordering Information Backpack Lab includes acidity test kit, alkalinity test kit, marine ammonia handheld colorimeter, carbon dioxide test kit, dissolved oxygen test kit, marine nitrate high range handheld colorimeter, nitrite test kit, phosphate test kit, salinity test kit, secchi disc, hydrometer, HI98129 Combo pH/EC/TDS/temperature tester, set of 6 field test procedures, teacher's guide and backpack.
- Phosphate Measurement Type
- colorimetric Phosphate Range 0-5 mg/L (ppm) Phosphate Method ascorbic acid Phosphate Number of Test 50 Salinity Measurement Type titration Salinity Range 0.0 to 40.0 g/kg Salinity Resolution 0.4 g/kg Salinity Method mercuric nitrate Salinity Number of Tests 110 avg related_products [4816, 4789, 5912, 6390] Ordering Information Backpack Lab includes acidity test kit, alkalinity test kit, marine ammonia handheld colorimeter, carbon dioxide test kit, dissolved oxygen test kit, marine nitrate high range handheld colorimeter, nitrite test kit, phosphate test kit, salinity test kit, secchi disc, hydrometer, HI98129 Combo pH/EC/TDS/temperature tester, set of 6 field test procedures, teacher's guide and backpack.
- Alkalinity Measurement Type
- titration Alkalinity Range 0-100 mg/L (ppm) 0-300 mg/L (ppm) Alkalinity Resolution 1 mg/L , 3 mg/L Alkalinity Method phenolphthalein / bromophenol blue Alkalinity Number of Test 110 avg Marine Ammonia Range 0.00 to 2.50 ppm (mg/L) NH 3 Marine Ammonia Resolution 0.01 ppm (mg/L) Marine Ammonia Accuracy ±0.05 ppm ±5% of reading @ 25 °C (77 °F) Carbon Dioxide Measurement Type titration Carbon Dioxide Range 0.0-10.0 mg/L (ppm) 0.0-50.0 mg/L (ppm) 0-100 mg/L (ppm) Carbon Dioxide Method phenolphthalein Carbon Dioxide Number of Tests 110 avg Marine Nitrate HR Range 0.0 to 75.0 ppm (as NO 3 –) Marine Nitrate Resolution 0.1 ppm Marine Nitrate Accuracy ±2.0 ppm ±5% of reading @ 25 °C (77 °F) Nitrate Method Zinc reduction method. The reaction between nitrate and the reagent causes a pink tint in the sample. This checker has been developed to work with seawater samples. Nitrite Measurement Type colorimetric Nitrite Range 0.0-1.0 mg/L (ppm) Phosphate Measurement Type colorimetric Phosphate Range 0-5 mg/L (ppm) Phosphate Method ascorbic acid Phosphate Number of Test 50 Salinity Measurement Type titration Salinity Range 0.0 to 40.0 g/kg Salinity Resolution 0.4 g/kg Salinity Method mercuric nitrate Salinity Number of Tests 110 avg related_products [4816, 4789, 5912, 6390] Ordering Information Backpack Lab includes acidity test kit, alkalinity test kit, marine ammonia handheld colorimeter, carbon dioxide test kit, dissolved oxygen test kit, marine nitrate high range handheld colorimeter, nitrite test kit, phosphate test kit, salinity test kit, secchi disc, hydrometer, HI98129 Combo pH/EC/TDS/temperature tester, set of 6 field test procedures, teacher's guide and backpack.
- Dissolved Oxygen Resolution
- 0.1 mg/L Dissolved Oxygen Measurement Method modified Winkler Dissolved Oxygen Number of Test 110 avg Temperature Range 0.0 to 60.0°C / 32.0 to 140.0°F Temperature Resolution 0.1°C / 0.1°F Temperature Accuracy ±0.5°C / 1°F Acidity Measurement Type titration Acidity Range 0-100 mg/L (ppm) 0-500 mg/L (ppm) Acidity Method methyl orange / phenolphthalein Acidity Number of Tests 110 avg Alkalinity Measurement Type titration Alkalinity Range 0-100 mg/L (ppm) 0-300 mg/L (ppm) Alkalinity Resolution 1 mg/L , 3 mg/L Alkalinity Method phenolphthalein / bromophenol blue Alkalinity Number of Test 110 avg Marine Ammonia Range 0.00 to 2.50 ppm (mg/L) NH 3 Marine Ammonia Resolution 0.01 ppm (mg/L) Marine Ammonia Accuracy ±0.05 ppm ±5% of reading @ 25 °C (77 °F) Carbon Dioxide Measurement Type titration Carbon Dioxide Range 0.0-10.0 mg/L (ppm) 0.0-50.0 mg/L (ppm) 0-100 mg/L (ppm) Carbon Dioxide Method phenolphthalein Carbon Dioxide Number of Tests 110 avg Marine Nitrate HR Range 0.0 to 75.0 ppm (as NO 3 –) Marine Nitrate Resolution 0.1 ppm Marine Nitrate Accuracy ±2.0 ppm ±5% of reading @ 25 °C (77 °F) Nitrate Method Zinc reduction method. The reaction between nitrate and the reagent causes a pink tint in the sample. This checker has been developed to work with seawater samples. Nitrite Measurement Type colorimetric Nitrite Range 0.0-1.0 mg/L (ppm) Phosphate Measurement Type colorimetric Phosphate Range 0-5 mg/L (ppm) Phosphate Method ascorbic acid Phosphate Number of Test 50 Salinity Measurement Type titration Salinity Range 0.0 to 40.0 g/kg Salinity Resolution 0.4 g/kg Salinity Method mercuric nitrate Salinity Number of Tests 110 avg related_products [4816, 4789, 5912, 6390] Ordering Information Backpack Lab includes acidity test kit, alkalinity test kit, marine ammonia handheld colorimeter, carbon dioxide test kit, dissolved oxygen test kit, marine nitrate high range handheld colorimeter, nitrite test kit, phosphate test kit, salinity test kit, secchi disc, hydrometer, HI98129 Combo pH/EC/TDS/temperature tester, set of 6 field test procedures, teacher's guide and backpack.
- Carbon Dioxide Number of Tests
- 110 avg Marine Nitrate HR Range 0.0 to 75.0 ppm (as NO 3 –) Marine Nitrate Resolution 0.1 ppm Marine Nitrate Accuracy ±2.0 ppm ±5% of reading @ 25 °C (77 °F) Nitrate Method Zinc reduction method. The reaction between nitrate and the reagent causes a pink tint in the sample. This checker has been developed to work with seawater samples. Nitrite Measurement Type colorimetric Nitrite Range 0.0-1.0 mg/L (ppm) Phosphate Measurement Type colorimetric Phosphate Range 0-5 mg/L (ppm) Phosphate Method ascorbic acid Phosphate Number of Test 50 Salinity Measurement Type titration Salinity Range 0.0 to 40.0 g/kg Salinity Resolution 0.4 g/kg Salinity Method mercuric nitrate Salinity Number of Tests 110 avg related_products [4816, 4789, 5912, 6390] Ordering Information Backpack Lab includes acidity test kit, alkalinity test kit, marine ammonia handheld colorimeter, carbon dioxide test kit, dissolved oxygen test kit, marine nitrate high range handheld colorimeter, nitrite test kit, phosphate test kit, salinity test kit, secchi disc, hydrometer, HI98129 Combo pH/EC/TDS/temperature tester, set of 6 field test procedures, teacher's guide and backpack.
- Carbon Dioxide Measurement Type
- titration Carbon Dioxide Range 0.0-10.0 mg/L (ppm) 0.0-50.0 mg/L (ppm) 0-100 mg/L (ppm) Carbon Dioxide Method phenolphthalein Carbon Dioxide Number of Tests 110 avg Marine Nitrate HR Range 0.0 to 75.0 ppm (as NO 3 –) Marine Nitrate Resolution 0.1 ppm Marine Nitrate Accuracy ±2.0 ppm ±5% of reading @ 25 °C (77 °F) Nitrate Method Zinc reduction method. The reaction between nitrate and the reagent causes a pink tint in the sample. This checker has been developed to work with seawater samples. Nitrite Measurement Type colorimetric Nitrite Range 0.0-1.0 mg/L (ppm) Phosphate Measurement Type colorimetric Phosphate Range 0-5 mg/L (ppm) Phosphate Method ascorbic acid Phosphate Number of Test 50 Salinity Measurement Type titration Salinity Range 0.0 to 40.0 g/kg Salinity Resolution 0.4 g/kg Salinity Method mercuric nitrate Salinity Number of Tests 110 avg related_products [4816, 4789, 5912, 6390] Ordering Information Backpack Lab includes acidity test kit, alkalinity test kit, marine ammonia handheld colorimeter, carbon dioxide test kit, dissolved oxygen test kit, marine nitrate high range handheld colorimeter, nitrite test kit, phosphate test kit, salinity test kit, secchi disc, hydrometer, HI98129 Combo pH/EC/TDS/temperature tester, set of 6 field test procedures, teacher's guide and backpack.
- Dissolved Oxygen Number of Test
- 110 avg Temperature Range 0.0 to 60.0°C / 32.0 to 140.0°F Temperature Resolution 0.1°C / 0.1°F Temperature Accuracy ±0.5°C / 1°F Acidity Measurement Type titration Acidity Range 0-100 mg/L (ppm) 0-500 mg/L (ppm) Acidity Method methyl orange / phenolphthalein Acidity Number of Tests 110 avg Alkalinity Measurement Type titration Alkalinity Range 0-100 mg/L (ppm) 0-300 mg/L (ppm) Alkalinity Resolution 1 mg/L , 3 mg/L Alkalinity Method phenolphthalein / bromophenol blue Alkalinity Number of Test 110 avg Marine Ammonia Range 0.00 to 2.50 ppm (mg/L) NH 3 Marine Ammonia Resolution 0.01 ppm (mg/L) Marine Ammonia Accuracy ±0.05 ppm ±5% of reading @ 25 °C (77 °F) Carbon Dioxide Measurement Type titration Carbon Dioxide Range 0.0-10.0 mg/L (ppm) 0.0-50.0 mg/L (ppm) 0-100 mg/L (ppm) Carbon Dioxide Method phenolphthalein Carbon Dioxide Number of Tests 110 avg Marine Nitrate HR Range 0.0 to 75.0 ppm (as NO 3 –) Marine Nitrate Resolution 0.1 ppm Marine Nitrate Accuracy ±2.0 ppm ±5% of reading @ 25 °C (77 °F) Nitrate Method Zinc reduction method. The reaction between nitrate and the reagent causes a pink tint in the sample. This checker has been developed to work with seawater samples. Nitrite Measurement Type colorimetric Nitrite Range 0.0-1.0 mg/L (ppm) Phosphate Measurement Type colorimetric Phosphate Range 0-5 mg/L (ppm) Phosphate Method ascorbic acid Phosphate Number of Test 50 Salinity Measurement Type titration Salinity Range 0.0 to 40.0 g/kg Salinity Resolution 0.4 g/kg Salinity Method mercuric nitrate Salinity Number of Tests 110 avg related_products [4816, 4789, 5912, 6390] Ordering Information Backpack Lab includes acidity test kit, alkalinity test kit, marine ammonia handheld colorimeter, carbon dioxide test kit, dissolved oxygen test kit, marine nitrate high range handheld colorimeter, nitrite test kit, phosphate test kit, salinity test kit, secchi disc, hydrometer, HI98129 Combo pH/EC/TDS/temperature tester, set of 6 field test procedures, teacher's guide and backpack.
- Dissolved Oxygen Measurement Type
- titration Dissolved Oxygen Range 0.0 to 10.0 mg/L O‚‚ Dissolved Oxygen Resolution 0.1 mg/L Dissolved Oxygen Measurement Method modified Winkler Dissolved Oxygen Number of Test 110 avg Temperature Range 0.0 to 60.0°C / 32.0 to 140.0°F Temperature Resolution 0.1°C / 0.1°F Temperature Accuracy ±0.5°C / 1°F Acidity Measurement Type titration Acidity Range 0-100 mg/L (ppm) 0-500 mg/L (ppm) Acidity Method methyl orange / phenolphthalein Acidity Number of Tests 110 avg Alkalinity Measurement Type titration Alkalinity Range 0-100 mg/L (ppm) 0-300 mg/L (ppm) Alkalinity Resolution 1 mg/L , 3 mg/L Alkalinity Method phenolphthalein / bromophenol blue Alkalinity Number of Test 110 avg Marine Ammonia Range 0.00 to 2.50 ppm (mg/L) NH 3 Marine Ammonia Resolution 0.01 ppm (mg/L) Marine Ammonia Accuracy ±0.05 ppm ±5% of reading @ 25 °C (77 °F) Carbon Dioxide Measurement Type titration Carbon Dioxide Range 0.0-10.0 mg/L (ppm) 0.0-50.0 mg/L (ppm) 0-100 mg/L (ppm) Carbon Dioxide Method phenolphthalein Carbon Dioxide Number of Tests 110 avg Marine Nitrate HR Range 0.0 to 75.0 ppm (as NO 3 –) Marine Nitrate Resolution 0.1 ppm Marine Nitrate Accuracy ±2.0 ppm ±5% of reading @ 25 °C (77 °F) Nitrate Method Zinc reduction method. The reaction between nitrate and the reagent causes a pink tint in the sample. This checker has been developed to work with seawater samples. Nitrite Measurement Type colorimetric Nitrite Range 0.0-1.0 mg/L (ppm) Phosphate Measurement Type colorimetric Phosphate Range 0-5 mg/L (ppm) Phosphate Method ascorbic acid Phosphate Number of Test 50 Salinity Measurement Type titration Salinity Range 0.0 to 40.0 g/kg Salinity Resolution 0.4 g/kg Salinity Method mercuric nitrate Salinity Number of Tests 110 avg related_products [4816, 4789, 5912, 6390] Ordering Information Backpack Lab includes acidity test kit, alkalinity test kit, marine ammonia handheld colorimeter, carbon dioxide test kit, dissolved oxygen test kit, marine nitrate high range handheld colorimeter, nitrite test kit, phosphate test kit, salinity test kit, secchi disc, hydrometer, HI98129 Combo pH/EC/TDS/temperature tester, set of 6 field test procedures, teacher's guide and backpack.
- Dissolved Oxygen Measurement Method
- modified Winkler Dissolved Oxygen Number of Test 110 avg Temperature Range 0.0 to 60.0°C / 32.0 to 140.0°F Temperature Resolution 0.1°C / 0.1°F Temperature Accuracy ±0.5°C / 1°F Acidity Measurement Type titration Acidity Range 0-100 mg/L (ppm) 0-500 mg/L (ppm) Acidity Method methyl orange / phenolphthalein Acidity Number of Tests 110 avg Alkalinity Measurement Type titration Alkalinity Range 0-100 mg/L (ppm) 0-300 mg/L (ppm) Alkalinity Resolution 1 mg/L , 3 mg/L Alkalinity Method phenolphthalein / bromophenol blue Alkalinity Number of Test 110 avg Marine Ammonia Range 0.00 to 2.50 ppm (mg/L) NH 3 Marine Ammonia Resolution 0.01 ppm (mg/L) Marine Ammonia Accuracy ±0.05 ppm ±5% of reading @ 25 °C (77 °F) Carbon Dioxide Measurement Type titration Carbon Dioxide Range 0.0-10.0 mg/L (ppm) 0.0-50.0 mg/L (ppm) 0-100 mg/L (ppm) Carbon Dioxide Method phenolphthalein Carbon Dioxide Number of Tests 110 avg Marine Nitrate HR Range 0.0 to 75.0 ppm (as NO 3 –) Marine Nitrate Resolution 0.1 ppm Marine Nitrate Accuracy ±2.0 ppm ±5% of reading @ 25 °C (77 °F) Nitrate Method Zinc reduction method. The reaction between nitrate and the reagent causes a pink tint in the sample. This checker has been developed to work with seawater samples. Nitrite Measurement Type colorimetric Nitrite Range 0.0-1.0 mg/L (ppm) Phosphate Measurement Type colorimetric Phosphate Range 0-5 mg/L (ppm) Phosphate Method ascorbic acid Phosphate Number of Test 50 Salinity Measurement Type titration Salinity Range 0.0 to 40.0 g/kg Salinity Resolution 0.4 g/kg Salinity Method mercuric nitrate Salinity Number of Tests 110 avg related_products [4816, 4789, 5912, 6390] Ordering Information Backpack Lab includes acidity test kit, alkalinity test kit, marine ammonia handheld colorimeter, carbon dioxide test kit, dissolved oxygen test kit, marine nitrate high range handheld colorimeter, nitrite test kit, phosphate test kit, salinity test kit, secchi disc, hydrometer, HI98129 Combo pH/EC/TDS/temperature tester, set of 6 field test procedures, teacher's guide and backpack.
