CHECKERS Handheld Colorimeter

Product catalog summary

Overview: The Checker® HC Handheld Colorimeters by Hanna Instruments are designed to bridge the gap between simple chemical test kits and professional instrumentation. They offer high accuracy and resolution at an affordable price, making them suitable for quick and accurate on-the-spot analysis.

Features:

High accuracy with large, easy-to-read digits.
Auto shut-off to conserve battery life.
Dedicated to a single parameter and designed to work with Hanna’s reagents.
Compact and lightweight, weighing only 64 g (2.25 oz.).
Operated by a single AAA battery with single-button operation for zeroing and measuring.
Certified standards available for meter validation.

General Specifications:

Light Detector: Silicon photocell.
Environment: 0 to 50°C (32 to 122°F); RH max 95% non-condensing.
Dimensions: 81.5 x 61 x 37.5 mm (3.2 x 2.4 x 1.5 inches).

Operation Procedure:

Zero the instrument with your water sample.
Add the reagent to the sample.
Place the vial into the Checker® HC and press the button to read the results.

Model Specifications:

HI 701 Free Chlorine: Range: 0.00 to 2.50 ppm, Resolution: 0.01 ppm, Accuracy: ±0.03 ppm.
HI 749 Chromium VI Low Range: Range: 0 to 300 ppb, Resolution: 1 ppb, Accuracy: ±3 ppb.
HI 723 Chromium High Range: Range: 0 to 999 ppb, Resolution: 1 ppb, Accuracy: ±5 ppb.
HI 761 Total Chlorine Ultra Low Range: Range: 0 to 500 ppb, Resolution: 1 ppb, Accuracy: ±5 ppb.
HI 711 Total Chlorine: Range: 0.00 to 3.50 ppm, Resolution: 0.01 ppm, Accuracy: ±0.03 ppm.
HI 771 Total Chlorine Ultra High Range: Range: 0 to 500 ppm, Resolution: 1 ppm, Accuracy: ±3 ppm.

Methodology: The Checker® HC models use various methods adapted from standard methods for water and wastewater examination, including USEPA and ASTM methods, to ensure accurate and reliable results.

Ordering Information: Each Checker® HC model is supplied with sample cuvettes with caps, reagents (either powder or liquid), a battery, and instructions.

Conclusion: The Checker® HC Handheld Colorimeters provide a convenient, accurate, and cost-effective solution for water testing, suitable for both field and laboratory use.

Catalog excerpts

Checker HC Checker® HC Handheld Colorimeters Handheld Colorimeters w w w.hannains t.com an ISO 9001:2000 Cer tified Company

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Features • Easier to use and more accurate than chemical test kits High accuracy Large, easy to read digits Auto shut off • Dedicated to a single parameter Designed to work with Hanna’s reagents Uses 10 mL glass cuvettes • Small size, big convenience Weighing a mere 64 g (2.25 oz.), the Checker®HC easily fits in your palm or pocket Use for quick and accurate on the spot analysis Single button operation: zero and measure Operated by a single AAA battery • Certified standards available for meter validation Checker HC Checker® HC Handheld Colorimeters Handheld Colorimeters The Hanna Checker®HC bridges...

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HI 761 Total Chlorine Ultra Low Range HI 711 Total Chlorine HI 771 Total Chlorine Ultra High Range Light Source After 2 min. of inactivity or 10 seconds after reading Adaptation of the USEPA method 330.5. The reaction between the chlorine and DPD reagent causes a pink tint in the sample. Adaptation of USEPA method 330.5, DPD method Adaptation of The standard methods for water and wastwater 4500CI. HI 711 Checker®HC is supplied with sample cuvettes with caps (2), powder reagents, battery and instructions. The HI 771 Checker®HC is supplied with sample cuvettes with caps (2), powder reagents, battery...

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HI 739 Fluoride High Range Light Source After 2 min. of inactivity or 10 seconds after reading After 2 min. of inactivity or 10 seconds after reading After 2 min. of inactivity or 10 seconds after reading Adaptation of the EPA method 340.1 and Standard Methods for the Examination of Water and Adaptation of SPADNS method Wastewater, 20th Edition, SPADNS method Adaptation of the Standard Methods for the Examination of Water and Wastewater, 18th edition, DPD method. Ordering Information HI 729 Checker®HC is supplied with sample cuvettes with caps (2), powder reagents, battery and instructions. HI...

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HI 715 Ammonia Medium Range HI 733 Ammonia High Range Light Source Adaptation of the ASTM Manual of Water and Environmental Technology, D1426-92, Nessler method. The reaction between ammonia and reagents causes a yellow tint in the sample. Adaptation of the ASTM Manual of water and Enviromental Technology D1426-92, Nessler Method. The reaction between ammonia and reagents causes a yellow tint in the sample. Adaptation of the ASTM Manual of water and Enviromental Technology D1426-92, Nessler Method. The reaction between ammonia and reagents causes a yellow tint in the sample. Ordering Information...

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HI 770 Silica High Range Light Source After 2 minutes of inactivity Adaptation of the USEPA METHOD 370.1 for drinking, surface and saline waters, domestic and industrial wastes and Standard Method 4500-SiO2 C Adaptation of the Standard Methods for the Examination of Water and Wastewater, 18th edition, DPD method. The reaction between bromin and the reagent causes a pink tint in the sample. HI 770 Checker®HC is supplied with sample cuvettes with caps (2), powder reagents, battery and instructions. The HI 716 Checker®HC is supplied with sample cuvettes with caps (2), powder reagents, battery and...

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HI 717 Phosphate High Range Light Source After 2 min. of inactivity or 10 seconds after reading After 2 min. of inactivity or 10 seconds after reading Adaptation of the Standard Methods for the Examination of Water and Wastewater, 20th edition, Ascorbic Acid method Adaptation of the Standard Methods for the Examination of Water and Wastewater, 18th edition, Amino Acid method Ordering Information HI 713 Checker®HC is supplied with sample cuvettes with caps (2), powder reagents, battery and instructions. HI 717 Checker®HC is supplied with sample cuvettes with caps (2), reagents (liquid and powder),...

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More accurate than chemical test kits, more affordable than laboratory instrumentation Handheld Colorimeters Available models include Alkalinity Ammonia Bromine Calcium Chromium VI Color of Water Fluoride Iodine Iron Nickel Nitrite Phosphate Phosphorus Total Chlorine Silica

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