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Low Range Chromium VI Colorimeter Checker® HC — main photograph
Hanna InstrumentsAvailability: Supplied to order

Low Range Chromium VI Colorimeter Checker® HC

Reference HI749

Get accurate water testing results with our simple handheld colorimeter. Our low range chromium VI colorimeter gives you more precise technology than your typical chemical test kit. Don't struggle to determine colors visually, our handheld colorimeter eliminates the hassle of matching to a color chart by providing a direct chromium VI result digitally.

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At a glance

Reference
HI749
Category
pH, Conductivity & Water Analysis
Equipment family
Industry/Industrial, Industry/Industrial/Chemical manufacturing, Industry/Industrial/Water treatment, Industry/Water, Industry/Water/Aquaculture, Industry/Water/Wastewater, Industry/Water/Drinking wat

Overview

Get accurate water testing results with our simple handheld colorimeter. Our low range chromium VI colorimeter gives you more precise technology than your typical chemical test kit. Don't struggle to determine colors visually, our handheld colorimeter eliminates the hassle of matching to a color chart by providing a direct chromium VI result digitally.

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

Maintenance contract — AxiTech provides planned preventive maintenance for Low Range Chromium VI Colorimeter Checker® HC 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 Low Range Chromium VI Colorimeter Checker® HC on site or in the workshop, fit genuine spare parts and recommission the equipment after performance verification.

Features

  • Our portable handheld colorimeter is easily carried in your pocket.
  • Simple, one-button operation makes getting your chromium VI results easy.
  • Quickly get your results without using a color chart.

Technical specifications

Specifications
SKU
HI749 Range 0 to 300 ppb Resolution 1 ppb Accuracy @ 25°C (77°F) ±2 ppb ±4% of reading Light Source LED @ 525 nm Light Detector silicon photocell Method adaptation of the ASTM, Manual of Water and Enviornmental Technology, D 1687-92, Diphenylcarbohydrazide method Battery Type (1) 1.5V AAA Auto shut-off after ten minutes of non-use Environment 0 to 50°C (32 to 122°F) RH max 95% non-condensing Dimensions 86.0 x 61.0 x 37.5 mm (3.4 x 2.4 x 1.5in.) Weight 64 g (2.3 oz) Ordering Information HI749 Checker®HC is supplied with sample cuvettes with caps (2), chromium LR reagent starter kit (reagents for 6 tests), battery, instructions and quick start guide. Reagent Set HI749-25 (25 tests) Calibration Check HI749-11 Warranty 1 year
Range
0 to 300 ppb Resolution 1 ppb Accuracy @ 25°C (77°F) ±2 ppb ±4% of reading Light Source LED @ 525 nm Light Detector silicon photocell Method adaptation of the ASTM, Manual of Water and Enviornmental Technology, D 1687-92, Diphenylcarbohydrazide method Battery Type (1) 1.5V AAA Auto shut-off after ten minutes of non-use Environment 0 to 50°C (32 to 122°F) RH max 95% non-condensing Dimensions 86.0 x 61.0 x 37.5 mm (3.4 x 2.4 x 1.5in.) Weight 64 g (2.3 oz) Ordering Information HI749 Checker®HC is supplied with sample cuvettes with caps (2), chromium LR reagent starter kit (reagents for 6 tests), battery, instructions and quick start guide. Reagent Set HI749-25 (25 tests) Calibration Check HI749-11 Warranty 1 year
Method
adaptation of the ASTM, Manual of Water and Enviornmental Technology, D 1687-92, Diphenylcarbohydrazide method Battery Type (1) 1.5V AAA Auto shut-off after ten minutes of non-use Environment 0 to 50°C (32 to 122°F) RH max 95% non-condensing Dimensions 86.0 x 61.0 x 37.5 mm (3.4 x 2.4 x 1.5in.) Weight 64 g (2.3 oz) Ordering Information HI749 Checker®HC is supplied with sample cuvettes with caps (2), chromium LR reagent starter kit (reagents for 6 tests), battery, instructions and quick start guide. Reagent Set HI749-25 (25 tests) Calibration Check HI749-11 Warranty 1 year
Weight
64 g (2.3 oz) Ordering Information HI749 Checker®HC is supplied with sample cuvettes with caps (2), chromium LR reagent starter kit (reagents for 6 tests), battery, instructions and quick start guide. Reagent Set HI749-25 (25 tests) Calibration Check HI749-11 Warranty 1 year
Warranty
1 year
Dimensions
86.0 x 61.0 x 37.5 mm (3.4 x 2.4 x 1.5in.) Weight 64 g (2.3 oz) Ordering Information HI749 Checker®HC is supplied with sample cuvettes with caps (2), chromium LR reagent starter kit (reagents for 6 tests), battery, instructions and quick start guide. Reagent Set HI749-25 (25 tests) Calibration Check HI749-11 Warranty 1 year
Resolution
1 ppb Accuracy @ 25°C (77°F) ±2 ppb ±4% of reading Light Source LED @ 525 nm Light Detector silicon photocell Method adaptation of the ASTM, Manual of Water and Enviornmental Technology, D 1687-92, Diphenylcarbohydrazide method Battery Type (1) 1.5V AAA Auto shut-off after ten minutes of non-use Environment 0 to 50°C (32 to 122°F) RH max 95% non-condensing Dimensions 86.0 x 61.0 x 37.5 mm (3.4 x 2.4 x 1.5in.) Weight 64 g (2.3 oz) Ordering Information HI749 Checker®HC is supplied with sample cuvettes with caps (2), chromium LR reagent starter kit (reagents for 6 tests), battery, instructions and quick start guide. Reagent Set HI749-25 (25 tests) Calibration Check HI749-11 Warranty 1 year
Environment
0 to 50°C (32 to 122°F) RH max 95% non-condensing Dimensions 86.0 x 61.0 x 37.5 mm (3.4 x 2.4 x 1.5in.) Weight 64 g (2.3 oz) Ordering Information HI749 Checker®HC is supplied with sample cuvettes with caps (2), chromium LR reagent starter kit (reagents for 6 tests), battery, instructions and quick start guide. Reagent Set HI749-25 (25 tests) Calibration Check HI749-11 Warranty 1 year
Reagent Set
HI749-25 (25 tests) Calibration Check HI749-11 Warranty 1 year
Battery Type
(1) 1.5V AAA Auto shut-off after ten minutes of non-use Environment 0 to 50°C (32 to 122°F) RH max 95% non-condensing Dimensions 86.0 x 61.0 x 37.5 mm (3.4 x 2.4 x 1.5in.) Weight 64 g (2.3 oz) Ordering Information HI749 Checker®HC is supplied with sample cuvettes with caps (2), chromium LR reagent starter kit (reagents for 6 tests), battery, instructions and quick start guide. Reagent Set HI749-25 (25 tests) Calibration Check HI749-11 Warranty 1 year
Light Source
LED @ 525 nm Light Detector silicon photocell Method adaptation of the ASTM, Manual of Water and Enviornmental Technology, D 1687-92, Diphenylcarbohydrazide method Battery Type (1) 1.5V AAA Auto shut-off after ten minutes of non-use Environment 0 to 50°C (32 to 122°F) RH max 95% non-condensing Dimensions 86.0 x 61.0 x 37.5 mm (3.4 x 2.4 x 1.5in.) Weight 64 g (2.3 oz) Ordering Information HI749 Checker®HC is supplied with sample cuvettes with caps (2), chromium LR reagent starter kit (reagents for 6 tests), battery, instructions and quick start guide. Reagent Set HI749-25 (25 tests) Calibration Check HI749-11 Warranty 1 year
Auto shut off
after ten minutes of non-use Environment 0 to 50°C (32 to 122°F) RH max 95% non-condensing Dimensions 86.0 x 61.0 x 37.5 mm (3.4 x 2.4 x 1.5in.) Weight 64 g (2.3 oz) Ordering Information HI749 Checker®HC is supplied with sample cuvettes with caps (2), chromium LR reagent starter kit (reagents for 6 tests), battery, instructions and quick start guide. Reagent Set HI749-25 (25 tests) Calibration Check HI749-11 Warranty 1 year
Light Detector
silicon photocell Method adaptation of the ASTM, Manual of Water and Enviornmental Technology, D 1687-92, Diphenylcarbohydrazide method Battery Type (1) 1.5V AAA Auto shut-off after ten minutes of non-use Environment 0 to 50°C (32 to 122°F) RH max 95% non-condensing Dimensions 86.0 x 61.0 x 37.5 mm (3.4 x 2.4 x 1.5in.) Weight 64 g (2.3 oz) Ordering Information HI749 Checker®HC is supplied with sample cuvettes with caps (2), chromium LR reagent starter kit (reagents for 6 tests), battery, instructions and quick start guide. Reagent Set HI749-25 (25 tests) Calibration Check HI749-11 Warranty 1 year
Calibration Check
HI749-11 Warranty 1 year
Ordering Information
HI749 Checker®HC is supplied with sample cuvettes with caps (2), chromium LR reagent starter kit (reagents for 6 tests), battery, instructions and quick start guide. Reagent Set HI749-25 (25 tests) Calibration Check HI749-11 Warranty 1 year
Accuracy @ 25°C (77°F)
±2 ppb ±4% of reading Light Source LED @ 525 nm Light Detector silicon photocell Method adaptation of the ASTM, Manual of Water and Enviornmental Technology, D 1687-92, Diphenylcarbohydrazide method Battery Type (1) 1.5V AAA Auto shut-off after ten minutes of non-use Environment 0 to 50°C (32 to 122°F) RH max 95% non-condensing Dimensions 86.0 x 61.0 x 37.5 mm (3.4 x 2.4 x 1.5in.) Weight 64 g (2.3 oz) Ordering Information HI749 Checker®HC is supplied with sample cuvettes with caps (2), chromium LR reagent starter kit (reagents for 6 tests), battery, instructions and quick start guide. Reagent Set HI749-25 (25 tests) Calibration Check HI749-11 Warranty 1 year
Service coverage

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

Maintenance contracts for Low Range Chromium VI Colorimeter Checker® HC

AxiTech provides preventive maintenance contracts for Low Range Chromium VI Colorimeter Checker® HC. 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 Low Range Chromium VI Colorimeter Checker® HC

When Low Range Chromium VI Colorimeter Checker® HC 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.

Discover our troubleshooting and repair service

Diagnostics, corrective repair and spare parts in the workshop
Troubleshooting

How to troubleshoot Low Range Chromium VI Colorimeter Checker® HC

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 Low Range Chromium VI Colorimeter Checker® HC.

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 Low Range Chromium VI Colorimeter Checker® HC 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.

Discover our troubleshooting and repair service

Buying and installing Low Range Chromium VI Colorimeter Checker® HC

AxiTech supplies Low Range Chromium VI Colorimeter Checker® HC 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.

Discover our equipment sales service

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

Frequently asked questions about Hanna Instruments Low Range Chromium VI Colorimeter Checker® HC

Yes. AxiTech services Low Range Chromium VI Colorimeter Checker® HC, 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.

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