Product Description

Hanna HI771 Ultra High Range Total Chlorine Colorimeter Checker

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Don’t worry about the accuracy of your water testing results anymore with our simple handheld colorimeter. Get more precise technology and trustworthy results than with your standard chemical test kit using our ultra high range total chlorine colorimeter. Don’t struggle to determine colors visually, our handheld colorimeter eliminates the hassle of matching to a color chart by providing a direct total chlorine result digitally.

Bring our portable handheld colorimeter anywhere you need.
Achieve your total chlorine results easily with simple, one-button design.
Don’t worry about the subjectivity of color charts, our colorimeter solves this problem.

The HI771 Checker^® HC (Handheld Colorimeter) provides a simple, accurate and cost-effective way to measure total chlorine. Chlorine is a popular disinfectant used in many industries including fruit and vegetable washing, medical instrument sterilization, and chlorine generating equipment. Designed as a more accurate alternative to chemical test kits, the HI771 provides quick, accurate results in a few easy steps.

Features at-a-glance

Easier to use and more accurate than chemical test kits
Dedicated to a single parameter
Small size, big convenience
Ideal for: Industrial, Food & Beverage, and Pool & Spa

Specifications Hanna HI771 Total Chlorine Colorimeter Checker

Specification Name	Detail
SKU	HI771
Range	0 to 500 ppm
Resolution	1 ppm
Accuracy @ 25°C/77°F	±3 ppm ±5% of reading
Light Source	LED @ 525 nm
Light Detector	silicon photocell
Method	adaptation of the Standard Methods for Water and Wastewater, 20th Edition 4500-Cl
Battery Type	(1) 1.5V AAA
Auto-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 1.5”)
Weight	64 g (2.3 oz)
Ordering Information	HI771 Checker®HC is supplied with sample cuvettes with caps (2), Chlorine UHR reagent starter kit (reagents for 6 tests), battery, instructions and quick start guide
Reagent Set	HI771-25 (25 tests)
Calibration Set	HI771-11