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Free Chlorine Ultra Low Range Checker® HC - HI762

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The Hanna Free Chlorine Ultra Low Range Checker® bridges the gap between simple chemical test kits and professional instrumentation. Chemical test kits have limited accuracy and resolution since they rely upon the human eye to discern differences in color. Professional instrumentation incorporates a light source such as an LED or tungsten lamp with a filter and a light sensing detector to precisely determine ion concentration. Professional instrumentation offers greater resolution and accuracy but can cost hundreds of dollars. The Hanna Free Chlorine Ultra Low Range Checker® uses a fixed wavelength LED and silicon photo detector to provide the accuracy of professional instrumentation at the affordable price of a chemical test kit.

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 46,00

4 in stock

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Details

The HI762 Checker®HC (Handheld Colorimeter) provides a simple, accurate and cost effective way to measure free chlorine. Chlorine is a popular disinfectant used in municipal water, fruits and vegetables, as well as equipment in the food and beverage industry. Though beneficial in destroying pathogens, levels greater than 4 parts per million (ppm) is harmful to humans and therefore, must be monitored. Designed as a more accurate alternative to chemical test kits, the HI762 provides quick, accurate results in four easy steps:

Specifications

Free Chlorine Ultra Low Range

Range

0 to 500 ppb

Resolution

1 ppb

Accuracy

±20 ppb ±4% of reading

Method

adaptation of USEPA method 330.5, DPD method.

Additional Specifications

Battery Type

1.5V AAA / 10,000 hours of continuous use

Environment

0 to 50°C (32 to 122°F); RH max 95% non-condensing

Auto-off

after ten minutes of non-use

Photometer/Colorimeter Light Source

LED @ 610 nm

Photometer/Colorimeter Light Detector

silicon photocell

Dimensions

154 x 63 x 30 mm (6.1 x 2.5 x 1.2”)

Weight

196 g (6.91 oz.)

Ordering information

HI762 Checker® is supplied with (2) sample cuvettes with caps, free ULR chlorine reagent starter kit for 6 tests (6 powder reagent packets), battery, instructions and quick start guide.

Additional Informations

Additional information

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