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pH/ORP/Temperature Combo Tester — main photograph
Hanna InstrumentsAvailability: Supplied to order

pH/ORP/Temperature Combo Tester

Reference HI98121

The HI98121 is a reliable, waterproof tester that ensures quick and easy measurements of both pH and ORP. This accurate pH and ORP tester features 0.01 pH resolution with automatic two-point calibration and temperature compensation in a single, portable, pocket device. No more switching between meters for your routine measurements.

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At a glance

Reference
HI98121
Category
pH, Conductivity & Water Analysis
Equipment family
Industry/Industrial, Industry/Industrial/Chemical manufacturing, Industry/Industrial/Water treatment, Industry/Water, Industry/Water/Aquaculture, Industry/Water/Pool and spa water, Industry/Water/Wast

Overview

The HI98121 is a reliable, waterproof tester that ensures quick and easy measurements of both pH and ORP. This accurate pH and ORP tester features 0.01 pH resolution with automatic two-point calibration and temperature compensation in a single, portable, pocket device. No more switching between meters for your routine measurements.

*Products classified as Dangerous Goods can only be shipped via ground.

Maintenance contract — AxiTech provides planned preventive maintenance for pH/ORP/Temperature Combo Tester from Hanna Instruments: scheduled visits, safety checks, periodic calibration and a documented service report, backed by a contractual response time.

Troubleshooting, repair and spare parts — our ph, conductivity & water analysis engineers diagnose and repair pH/ORP/Temperature Combo Tester on site or in the workshop, fit genuine spare parts and recommission the equipment after performance verification.

Features

  • ±0.05 pH/ ±2 mV Accuracy
  • Replaceable pH Electrode
  • Great for pools, sanitizers, wastewater, & industrial.

Technical specifications

Specifications
SKU
HI98121 pH Ranges -2.00 to 16.00 pH pH Resolution 0.01 pH pH Accuracy (@25°C/77°F) ±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) pH Temperature Compensation automatic for pH readings ORP Range ± 1000 mV ORP Resolution 1 mV ORP Accuracy ±2 mV ORP Calibration factory calibrated Temperature Range -5.0 to 60.0°C / 23.0 to 140.0°F Temperature Resolution 0.1°C / 0.1°F Temperature Accuracy ±0.5°C / ±1°F pH Electrode HI73127 replaceable pH electrode (included) ORP Electrode fixed ORP sensor Automatic Shut-Off auto-off after 8 minutes of non-use Battery Type / Life 1.5V (4) / approximately 250 hours of continuous use Environment -5 to 50°C (23 to 122°F) RH max 100% Dimensions 163 x 40 x 26 mm (6.4 x 1.6 x 1.0') / 100 g (3.5 oz.) Ordering Information Each HI98121 is delivered in a cardboard box and is supplied with: HI70004 pH 4.01 buffer solution, 20 mL sachet (1 pc.), HI70007 pH 7.01 buffer solution, 20 mL sachet (1 pc.), HI70300N Storage solution for pH & ORP electrodes, 20 mL sachet (1 pc.), HI70022 470 mV ORP test solution, 20 mL sachet (2 pcs.) , HI700601 pH & ORP electrode cleaning solution, 20 mL sachet (1 pc.), HI73127 pH electrode, HI73128 Electrode removal tool, 1.5V batteries (4 pcs.), instrument quality certificate, & instruction manual. Warranty 1 year
Warranty
1 year
ORP Range
± 1000 mV ORP Resolution 1 mV ORP Accuracy ±2 mV ORP Calibration factory calibrated Temperature Range -5.0 to 60.0°C / 23.0 to 140.0°F Temperature Resolution 0.1°C / 0.1°F Temperature Accuracy ±0.5°C / ±1°F pH Electrode HI73127 replaceable pH electrode (included) ORP Electrode fixed ORP sensor Automatic Shut-Off auto-off after 8 minutes of non-use Battery Type / Life 1.5V (4) / approximately 250 hours of continuous use Environment -5 to 50°C (23 to 122°F) RH max 100% Dimensions 163 x 40 x 26 mm (6.4 x 1.6 x 1.0') / 100 g (3.5 oz.) Ordering Information Each HI98121 is delivered in a cardboard box and is supplied with: HI70004 pH 4.01 buffer solution, 20 mL sachet (1 pc.), HI70007 pH 7.01 buffer solution, 20 mL sachet (1 pc.), HI70300N Storage solution for pH & ORP electrodes, 20 mL sachet (1 pc.), HI70022 470 mV ORP test solution, 20 mL sachet (2 pcs.) , HI700601 pH & ORP electrode cleaning solution, 20 mL sachet (1 pc.), HI73127 pH electrode, HI73128 Electrode removal tool, 1.5V batteries (4 pcs.), instrument quality certificate, & instruction manual. Warranty 1 year
PH Ranges
-2.00 to 16.00 pH pH Resolution 0.01 pH pH Accuracy (@25°C/77°F) ±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) pH Temperature Compensation automatic for pH readings ORP Range ± 1000 mV ORP Resolution 1 mV ORP Accuracy ±2 mV ORP Calibration factory calibrated Temperature Range -5.0 to 60.0°C / 23.0 to 140.0°F Temperature Resolution 0.1°C / 0.1°F Temperature Accuracy ±0.5°C / ±1°F pH Electrode HI73127 replaceable pH electrode (included) ORP Electrode fixed ORP sensor Automatic Shut-Off auto-off after 8 minutes of non-use Battery Type / Life 1.5V (4) / approximately 250 hours of continuous use Environment -5 to 50°C (23 to 122°F) RH max 100% Dimensions 163 x 40 x 26 mm (6.4 x 1.6 x 1.0') / 100 g (3.5 oz.) Ordering Information Each HI98121 is delivered in a cardboard box and is supplied with: HI70004 pH 4.01 buffer solution, 20 mL sachet (1 pc.), HI70007 pH 7.01 buffer solution, 20 mL sachet (1 pc.), HI70300N Storage solution for pH & ORP electrodes, 20 mL sachet (1 pc.), HI70022 470 mV ORP test solution, 20 mL sachet (2 pcs.) , HI700601 pH & ORP electrode cleaning solution, 20 mL sachet (1 pc.), HI73127 pH electrode, HI73128 Electrode removal tool, 1.5V batteries (4 pcs.), instrument quality certificate, & instruction manual. Warranty 1 year
Dimensions
163 x 40 x 26 mm (6.4 x 1.6 x 1.0') / 100 g (3.5 oz.) Ordering Information Each HI98121 is delivered in a cardboard box and is supplied with: HI70004 pH 4.01 buffer solution, 20 mL sachet (1 pc.), HI70007 pH 7.01 buffer solution, 20 mL sachet (1 pc.), HI70300N Storage solution for pH & ORP electrodes, 20 mL sachet (1 pc.), HI70022 470 mV ORP test solution, 20 mL sachet (2 pcs.) , HI700601 pH & ORP electrode cleaning solution, 20 mL sachet (1 pc.), HI73127 pH electrode, HI73128 Electrode removal tool, 1.5V batteries (4 pcs.), instrument quality certificate, & instruction manual. Warranty 1 year
Environment
-5 to 50°C (23 to 122°F) RH max 100% Dimensions 163 x 40 x 26 mm (6.4 x 1.6 x 1.0') / 100 g (3.5 oz.) Ordering Information Each HI98121 is delivered in a cardboard box and is supplied with: HI70004 pH 4.01 buffer solution, 20 mL sachet (1 pc.), HI70007 pH 7.01 buffer solution, 20 mL sachet (1 pc.), HI70300N Storage solution for pH & ORP electrodes, 20 mL sachet (1 pc.), HI70022 470 mV ORP test solution, 20 mL sachet (2 pcs.) , HI700601 pH & ORP electrode cleaning solution, 20 mL sachet (1 pc.), HI73127 pH electrode, HI73128 Electrode removal tool, 1.5V batteries (4 pcs.), instrument quality certificate, & instruction manual. Warranty 1 year
ORP Accuracy
±2 mV ORP Calibration factory calibrated Temperature Range -5.0 to 60.0°C / 23.0 to 140.0°F Temperature Resolution 0.1°C / 0.1°F Temperature Accuracy ±0.5°C / ±1°F pH Electrode HI73127 replaceable pH electrode (included) ORP Electrode fixed ORP sensor Automatic Shut-Off auto-off after 8 minutes of non-use Battery Type / Life 1.5V (4) / approximately 250 hours of continuous use Environment -5 to 50°C (23 to 122°F) RH max 100% Dimensions 163 x 40 x 26 mm (6.4 x 1.6 x 1.0') / 100 g (3.5 oz.) Ordering Information Each HI98121 is delivered in a cardboard box and is supplied with: HI70004 pH 4.01 buffer solution, 20 mL sachet (1 pc.), HI70007 pH 7.01 buffer solution, 20 mL sachet (1 pc.), HI70300N Storage solution for pH & ORP electrodes, 20 mL sachet (1 pc.), HI70022 470 mV ORP test solution, 20 mL sachet (2 pcs.) , HI700601 pH & ORP electrode cleaning solution, 20 mL sachet (1 pc.), HI73127 pH electrode, HI73128 Electrode removal tool, 1.5V batteries (4 pcs.), instrument quality certificate, & instruction manual. Warranty 1 year
PH Electrode
HI73127 replaceable pH electrode (included) ORP Electrode fixed ORP sensor Automatic Shut-Off auto-off after 8 minutes of non-use Battery Type / Life 1.5V (4) / approximately 250 hours of continuous use Environment -5 to 50°C (23 to 122°F) RH max 100% Dimensions 163 x 40 x 26 mm (6.4 x 1.6 x 1.0') / 100 g (3.5 oz.) Ordering Information Each HI98121 is delivered in a cardboard box and is supplied with: HI70004 pH 4.01 buffer solution, 20 mL sachet (1 pc.), HI70007 pH 7.01 buffer solution, 20 mL sachet (1 pc.), HI70300N Storage solution for pH & ORP electrodes, 20 mL sachet (1 pc.), HI70022 470 mV ORP test solution, 20 mL sachet (2 pcs.) , HI700601 pH & ORP electrode cleaning solution, 20 mL sachet (1 pc.), HI73127 pH electrode, HI73128 Electrode removal tool, 1.5V batteries (4 pcs.), instrument quality certificate, & instruction manual. Warranty 1 year
ORP Electrode
fixed ORP sensor Automatic Shut-Off auto-off after 8 minutes of non-use Battery Type / Life 1.5V (4) / approximately 250 hours of continuous use Environment -5 to 50°C (23 to 122°F) RH max 100% Dimensions 163 x 40 x 26 mm (6.4 x 1.6 x 1.0') / 100 g (3.5 oz.) Ordering Information Each HI98121 is delivered in a cardboard box and is supplied with: HI70004 pH 4.01 buffer solution, 20 mL sachet (1 pc.), HI70007 pH 7.01 buffer solution, 20 mL sachet (1 pc.), HI70300N Storage solution for pH & ORP electrodes, 20 mL sachet (1 pc.), HI70022 470 mV ORP test solution, 20 mL sachet (2 pcs.) , HI700601 pH & ORP electrode cleaning solution, 20 mL sachet (1 pc.), HI73127 pH electrode, HI73128 Electrode removal tool, 1.5V batteries (4 pcs.), instrument quality certificate, & instruction manual. Warranty 1 year
PH Resolution
0.01 pH pH Accuracy (@25°C/77°F) ±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) pH Temperature Compensation automatic for pH readings ORP Range ± 1000 mV ORP Resolution 1 mV ORP Accuracy ±2 mV ORP Calibration factory calibrated Temperature Range -5.0 to 60.0°C / 23.0 to 140.0°F Temperature Resolution 0.1°C / 0.1°F Temperature Accuracy ±0.5°C / ±1°F pH Electrode HI73127 replaceable pH electrode (included) ORP Electrode fixed ORP sensor Automatic Shut-Off auto-off after 8 minutes of non-use Battery Type / Life 1.5V (4) / approximately 250 hours of continuous use Environment -5 to 50°C (23 to 122°F) RH max 100% Dimensions 163 x 40 x 26 mm (6.4 x 1.6 x 1.0') / 100 g (3.5 oz.) Ordering Information Each HI98121 is delivered in a cardboard box and is supplied with: HI70004 pH 4.01 buffer solution, 20 mL sachet (1 pc.), HI70007 pH 7.01 buffer solution, 20 mL sachet (1 pc.), HI70300N Storage solution for pH & ORP electrodes, 20 mL sachet (1 pc.), HI70022 470 mV ORP test solution, 20 mL sachet (2 pcs.) , HI700601 pH & ORP electrode cleaning solution, 20 mL sachet (1 pc.), HI73127 pH electrode, HI73128 Electrode removal tool, 1.5V batteries (4 pcs.), instrument quality certificate, & instruction manual. Warranty 1 year
ORP Resolution
1 mV ORP Accuracy ±2 mV ORP Calibration factory calibrated Temperature Range -5.0 to 60.0°C / 23.0 to 140.0°F Temperature Resolution 0.1°C / 0.1°F Temperature Accuracy ±0.5°C / ±1°F pH Electrode HI73127 replaceable pH electrode (included) ORP Electrode fixed ORP sensor Automatic Shut-Off auto-off after 8 minutes of non-use Battery Type / Life 1.5V (4) / approximately 250 hours of continuous use Environment -5 to 50°C (23 to 122°F) RH max 100% Dimensions 163 x 40 x 26 mm (6.4 x 1.6 x 1.0') / 100 g (3.5 oz.) Ordering Information Each HI98121 is delivered in a cardboard box and is supplied with: HI70004 pH 4.01 buffer solution, 20 mL sachet (1 pc.), HI70007 pH 7.01 buffer solution, 20 mL sachet (1 pc.), HI70300N Storage solution for pH & ORP electrodes, 20 mL sachet (1 pc.), HI70022 470 mV ORP test solution, 20 mL sachet (2 pcs.) , HI700601 pH & ORP electrode cleaning solution, 20 mL sachet (1 pc.), HI73127 pH electrode, HI73128 Electrode removal tool, 1.5V batteries (4 pcs.), instrument quality certificate, & instruction manual. Warranty 1 year
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) pH Temperature Compensation automatic for pH readings ORP Range ± 1000 mV ORP Resolution 1 mV ORP Accuracy ±2 mV ORP Calibration factory calibrated Temperature Range -5.0 to 60.0°C / 23.0 to 140.0°F Temperature Resolution 0.1°C / 0.1°F Temperature Accuracy ±0.5°C / ±1°F pH Electrode HI73127 replaceable pH electrode (included) ORP Electrode fixed ORP sensor Automatic Shut-Off auto-off after 8 minutes of non-use Battery Type / Life 1.5V (4) / approximately 250 hours of continuous use Environment -5 to 50°C (23 to 122°F) RH max 100% Dimensions 163 x 40 x 26 mm (6.4 x 1.6 x 1.0') / 100 g (3.5 oz.) Ordering Information Each HI98121 is delivered in a cardboard box and is supplied with: HI70004 pH 4.01 buffer solution, 20 mL sachet (1 pc.), HI70007 pH 7.01 buffer solution, 20 mL sachet (1 pc.), HI70300N Storage solution for pH & ORP electrodes, 20 mL sachet (1 pc.), HI70022 470 mV ORP test solution, 20 mL sachet (2 pcs.) , HI700601 pH & ORP electrode cleaning solution, 20 mL sachet (1 pc.), HI73127 pH electrode, HI73128 Electrode removal tool, 1.5V batteries (4 pcs.), instrument quality certificate, & instruction manual. Warranty 1 year
ORP Calibration
factory calibrated Temperature Range -5.0 to 60.0°C / 23.0 to 140.0°F Temperature Resolution 0.1°C / 0.1°F Temperature Accuracy ±0.5°C / ±1°F pH Electrode HI73127 replaceable pH electrode (included) ORP Electrode fixed ORP sensor Automatic Shut-Off auto-off after 8 minutes of non-use Battery Type / Life 1.5V (4) / approximately 250 hours of continuous use Environment -5 to 50°C (23 to 122°F) RH max 100% Dimensions 163 x 40 x 26 mm (6.4 x 1.6 x 1.0') / 100 g (3.5 oz.) Ordering Information Each HI98121 is delivered in a cardboard box and is supplied with: HI70004 pH 4.01 buffer solution, 20 mL sachet (1 pc.), HI70007 pH 7.01 buffer solution, 20 mL sachet (1 pc.), HI70300N Storage solution for pH & ORP electrodes, 20 mL sachet (1 pc.), HI70022 470 mV ORP test solution, 20 mL sachet (2 pcs.) , HI700601 pH & ORP electrode cleaning solution, 20 mL sachet (1 pc.), HI73127 pH electrode, HI73128 Electrode removal tool, 1.5V batteries (4 pcs.), instrument quality certificate, & instruction manual. Warranty 1 year
Temperature Range
-5.0 to 60.0°C / 23.0 to 140.0°F Temperature Resolution 0.1°C / 0.1°F Temperature Accuracy ±0.5°C / ±1°F pH Electrode HI73127 replaceable pH electrode (included) ORP Electrode fixed ORP sensor Automatic Shut-Off auto-off after 8 minutes of non-use Battery Type / Life 1.5V (4) / approximately 250 hours of continuous use Environment -5 to 50°C (23 to 122°F) RH max 100% Dimensions 163 x 40 x 26 mm (6.4 x 1.6 x 1.0') / 100 g (3.5 oz.) Ordering Information Each HI98121 is delivered in a cardboard box and is supplied with: HI70004 pH 4.01 buffer solution, 20 mL sachet (1 pc.), HI70007 pH 7.01 buffer solution, 20 mL sachet (1 pc.), HI70300N Storage solution for pH & ORP electrodes, 20 mL sachet (1 pc.), HI70022 470 mV ORP test solution, 20 mL sachet (2 pcs.) , HI700601 pH & ORP electrode cleaning solution, 20 mL sachet (1 pc.), HI73127 pH electrode, HI73128 Electrode removal tool, 1.5V batteries (4 pcs.), instrument quality certificate, & instruction manual. Warranty 1 year
Automatic Shut Off
auto-off after 8 minutes of non-use Battery Type / Life 1.5V (4) / approximately 250 hours of continuous use Environment -5 to 50°C (23 to 122°F) RH max 100% Dimensions 163 x 40 x 26 mm (6.4 x 1.6 x 1.0') / 100 g (3.5 oz.) Ordering Information Each HI98121 is delivered in a cardboard box and is supplied with: HI70004 pH 4.01 buffer solution, 20 mL sachet (1 pc.), HI70007 pH 7.01 buffer solution, 20 mL sachet (1 pc.), HI70300N Storage solution for pH & ORP electrodes, 20 mL sachet (1 pc.), HI70022 470 mV ORP test solution, 20 mL sachet (2 pcs.) , HI700601 pH & ORP electrode cleaning solution, 20 mL sachet (1 pc.), HI73127 pH electrode, HI73128 Electrode removal tool, 1.5V batteries (4 pcs.), instrument quality certificate, & instruction manual. Warranty 1 year
Battery Type / Life
1.5V (4) / approximately 250 hours of continuous use Environment -5 to 50°C (23 to 122°F) RH max 100% Dimensions 163 x 40 x 26 mm (6.4 x 1.6 x 1.0') / 100 g (3.5 oz.) Ordering Information Each HI98121 is delivered in a cardboard box and is supplied with: HI70004 pH 4.01 buffer solution, 20 mL sachet (1 pc.), HI70007 pH 7.01 buffer solution, 20 mL sachet (1 pc.), HI70300N Storage solution for pH & ORP electrodes, 20 mL sachet (1 pc.), HI70022 470 mV ORP test solution, 20 mL sachet (2 pcs.) , HI700601 pH & ORP electrode cleaning solution, 20 mL sachet (1 pc.), HI73127 pH electrode, HI73128 Electrode removal tool, 1.5V batteries (4 pcs.), instrument quality certificate, & instruction manual. Warranty 1 year
Ordering Information
Each HI98121 is delivered in a cardboard box and is supplied with: HI70004 pH 4.01 buffer solution, 20 mL sachet (1 pc.), HI70007 pH 7.01 buffer solution, 20 mL sachet (1 pc.), HI70300N Storage solution for pH & ORP electrodes, 20 mL sachet (1 pc.), HI70022 470 mV ORP test solution, 20 mL sachet (2 pcs.) , HI700601 pH & ORP electrode cleaning solution, 20 mL sachet (1 pc.), HI73127 pH electrode, HI73128 Electrode removal tool, 1.5V batteries (4 pcs.), instrument quality certificate, & instruction manual. Warranty 1 year
Temperature Accuracy
±0.5°C / ±1°F pH Electrode HI73127 replaceable pH electrode (included) ORP Electrode fixed ORP sensor Automatic Shut-Off auto-off after 8 minutes of non-use Battery Type / Life 1.5V (4) / approximately 250 hours of continuous use Environment -5 to 50°C (23 to 122°F) RH max 100% Dimensions 163 x 40 x 26 mm (6.4 x 1.6 x 1.0') / 100 g (3.5 oz.) Ordering Information Each HI98121 is delivered in a cardboard box and is supplied with: HI70004 pH 4.01 buffer solution, 20 mL sachet (1 pc.), HI70007 pH 7.01 buffer solution, 20 mL sachet (1 pc.), HI70300N Storage solution for pH & ORP electrodes, 20 mL sachet (1 pc.), HI70022 470 mV ORP test solution, 20 mL sachet (2 pcs.) , HI700601 pH & ORP electrode cleaning solution, 20 mL sachet (1 pc.), HI73127 pH electrode, HI73128 Electrode removal tool, 1.5V batteries (4 pcs.), instrument quality certificate, & instruction manual. Warranty 1 year
Temperature Resolution
0.1°C / 0.1°F Temperature Accuracy ±0.5°C / ±1°F pH Electrode HI73127 replaceable pH electrode (included) ORP Electrode fixed ORP sensor Automatic Shut-Off auto-off after 8 minutes of non-use Battery Type / Life 1.5V (4) / approximately 250 hours of continuous use Environment -5 to 50°C (23 to 122°F) RH max 100% Dimensions 163 x 40 x 26 mm (6.4 x 1.6 x 1.0') / 100 g (3.5 oz.) Ordering Information Each HI98121 is delivered in a cardboard box and is supplied with: HI70004 pH 4.01 buffer solution, 20 mL sachet (1 pc.), HI70007 pH 7.01 buffer solution, 20 mL sachet (1 pc.), HI70300N Storage solution for pH & ORP electrodes, 20 mL sachet (1 pc.), HI70022 470 mV ORP test solution, 20 mL sachet (2 pcs.) , HI700601 pH & ORP electrode cleaning solution, 20 mL sachet (1 pc.), HI73127 pH electrode, HI73128 Electrode removal tool, 1.5V batteries (4 pcs.), instrument quality certificate, & instruction manual. Warranty 1 year
PH Accuracy (@25°C/77°F)
±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) pH Temperature Compensation automatic for pH readings ORP Range ± 1000 mV ORP Resolution 1 mV ORP Accuracy ±2 mV ORP Calibration factory calibrated Temperature Range -5.0 to 60.0°C / 23.0 to 140.0°F Temperature Resolution 0.1°C / 0.1°F Temperature Accuracy ±0.5°C / ±1°F pH Electrode HI73127 replaceable pH electrode (included) ORP Electrode fixed ORP sensor Automatic Shut-Off auto-off after 8 minutes of non-use Battery Type / Life 1.5V (4) / approximately 250 hours of continuous use Environment -5 to 50°C (23 to 122°F) RH max 100% Dimensions 163 x 40 x 26 mm (6.4 x 1.6 x 1.0') / 100 g (3.5 oz.) Ordering Information Each HI98121 is delivered in a cardboard box and is supplied with: HI70004 pH 4.01 buffer solution, 20 mL sachet (1 pc.), HI70007 pH 7.01 buffer solution, 20 mL sachet (1 pc.), HI70300N Storage solution for pH & ORP electrodes, 20 mL sachet (1 pc.), HI70022 470 mV ORP test solution, 20 mL sachet (2 pcs.) , HI700601 pH & ORP electrode cleaning solution, 20 mL sachet (1 pc.), HI73127 pH electrode, HI73128 Electrode removal tool, 1.5V batteries (4 pcs.), instrument quality certificate, & instruction manual. Warranty 1 year
PH Temperature Compensation
automatic for pH readings ORP Range ± 1000 mV ORP Resolution 1 mV ORP Accuracy ±2 mV ORP Calibration factory calibrated Temperature Range -5.0 to 60.0°C / 23.0 to 140.0°F Temperature Resolution 0.1°C / 0.1°F Temperature Accuracy ±0.5°C / ±1°F pH Electrode HI73127 replaceable pH electrode (included) ORP Electrode fixed ORP sensor Automatic Shut-Off auto-off after 8 minutes of non-use Battery Type / Life 1.5V (4) / approximately 250 hours of continuous use Environment -5 to 50°C (23 to 122°F) RH max 100% Dimensions 163 x 40 x 26 mm (6.4 x 1.6 x 1.0') / 100 g (3.5 oz.) Ordering Information Each HI98121 is delivered in a cardboard box and is supplied with: HI70004 pH 4.01 buffer solution, 20 mL sachet (1 pc.), HI70007 pH 7.01 buffer solution, 20 mL sachet (1 pc.), HI70300N Storage solution for pH & ORP electrodes, 20 mL sachet (1 pc.), HI70022 470 mV ORP test solution, 20 mL sachet (2 pcs.) , HI700601 pH & ORP electrode cleaning solution, 20 mL sachet (1 pc.), HI73127 pH electrode, HI73128 Electrode removal tool, 1.5V batteries (4 pcs.), instrument quality certificate, & instruction manual. Warranty 1 year
Service coverage

AxiTech maintains, repairs and supplies this equipment for hospitals, clinics, laboratories and imaging centres.

Maintenance contracts for pH/ORP/Temperature Combo Tester

AxiTech provides preventive maintenance contracts for pH/ORP/Temperature Combo Tester. Each contract fixes a schedule of planned visits in which our biomedical engineers inspect the equipment, replace wear parts before they fail, and verify that it still performs inside the manufacturer’s tolerances.

Every visit includes calibration and performance verification, and closes with a documented maintenance report you can present during an accreditation audit. Spare-parts availability and a guaranteed response time are written into the contract, so a breakdown never leaves a department waiting for an answer.

Plan at least one preventive maintenance visit per year, and a second visit for equipment in continuous or critical use.

  • Planned preventive maintenance visits at a fixed interval
  • Calibration and performance verification against the manufacturer’s specifications
  • A documented maintenance report after every intervention
  • Guaranteed availability of spare parts and consumables
  • A contractual response time when the equipment fails

Discover our maintenance contracts

Planned preventive maintenance and calibration under contract

Troubleshooting and repair for pH/ORP/Temperature Combo Tester

When pH/ORP/Temperature Combo Tester fails, our engineers start with a structured diagnostic: error codes, electrical and mechanical checks, and a functional test against the equipment’s own specification. That tells us whether the fault is a consumable, a worn part or a board-level failure before any part is ordered.

Straightforward faults are repaired on site so the department loses as little time as possible. Anything that needs a workbench, a full strip-down or a specialised spare part goes to our workshop and comes back only after a complete post-repair test and, where the equipment requires it, recalibration.

Faults we see most often on this type of equipment

The faults we see most often are worn moving parts, power-supply and control-board failures, sensors that have drifted out of tolerance, and fluid or air paths that have become blocked or contaminated.

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Diagnostics, corrective repair and spare parts in the workshop
Troubleshooting

How to troubleshoot pH/ORP/Temperature Combo Tester

Work through these checks before you escalate. They are the same first-line sequence our biomedical engineers run on arrival, and they either clear the fault or narrow it down enough that the intervention starts with the right spare part in the van.

  1. Capture the fault before you touch anything: write down the exact error code or message, the serial number from the rating plate, what the operator was doing and whether the fault clears on a restart.

  2. Confirm the power supply end to end — wall outlet, mains lead, fuse and any UPS or stabiliser in between. A device that is intermittently dead has a supply fault far more often than an internal one.

  3. Check the consumables and wear parts — filters, seals, tubing, probes, batteries — and note when each was last replaced. Anything past its service interval is the first suspect.

  4. Reproduce the fault once, deliberately, and record the sequence: what the operator did, what the device displayed, and whether a full power cycle clears it.

  5. If the fault is still there, escalate with the evidence. Send AxiTech the model, serial number, error code and the checks you have already run, and an engineer will come back with a diagnosis, a repair quote and a spare-parts lead time for pH/ORP/Temperature Combo Tester.

What to send us when you report the fault

  • Manufacturer, model and serial number, from the rating plate
  • The exact error code or message, and the screen it appears on
  • When the fault started, how often it occurs and what triggers it
  • A photograph of the display or of the fault, and the last maintenance report

If the fault survives all five steps, stop using pH/ORP/Temperature Combo Tester and open a repair request. Continuing to run equipment through a fault it cannot clear turns a component failure into a board-level one, and on devices used for diagnosis or therapy it puts the result — and the patient — in doubt.

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Buying and installing pH/ORP/Temperature Combo Tester

AxiTech supplies pH/ORP/Temperature Combo Tester together with the accessories and consumables it needs to enter service. We handle importation, delivery and installation, then commission the equipment on site so that it is verified against its specification before the first patient or the first sample.

Installation is followed by training for the users and for your biomedical team, warranty registration, and — if you want it — a maintenance contract that takes over the day the warranty ends, so the equipment never spends a period without planned service.

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Delivery, installation, commissioning and user training
Questions we are asked

Frequently asked questions about Hanna Instruments pH/ORP/Temperature Combo Tester

Yes. AxiTech services pH/ORP/Temperature Combo Tester, either under a maintenance contract or as a one-off intervention. Our biomedical engineers cover preventive maintenance, calibration, corrective repair and spare-parts supply for this equipment.

Related equipment

Other Hanna Instruments equipment we supply, install and maintain.