Hanna Instruments HI 711 Checker HC Handheld Colorimeter, For Total Chlorine
The HI 711 is a portable meter for measuring chlorine in natural, waste, recreation and drinking waters.
The HI 711 bridges the gap between less accurate chemical test kits, and expensive professional test instrumentation. To use, zero the instrument with your water sample, then add the reagent. Place the vial into the checker, press the button, and read the results within seconds.
The meter has a range of 0.00 to 3.50 ppm (mg/L) + or – 3% of the reading (+ or – 0.03 ppm (mg/L) at 25 degrees C, with resolution 0.01 ppm (mg/L). It operates in temperatures from 0 to 50 degrees C (32 to 122 degrees F)/RH max 95%. The device operates on one 1.5V AAA battery, with an auto-off function that shuts off the device after two minutes of non-use. Dimensions are 81.5 x 61 x 37.5 mm (3.2 x 2.4 x 1.5"), with weight 64 g (2.25 oz.).
Chlorine is a common disinfectant for water, and ensuring proper levels is important in many situations. Chlorine colorimeters are used for monitoring quality control in many applications such as swimming pools, sanitation, and drinking water.
Hanna Instruments manufactures a wide variety of analytical instrumentation, including pH meters, multi-parameter meters, electrodes, chemical reagents, and buffer solutions. Founded in 1978, Hanna is headquartered in Woonsocket, RI, with subsidiaries in 32 countries. Hanna Instruments holds many firsts in the field of analytical instrumentation, including a pH electrode with a built-in temperature sensor, an electronic pocket-sized pH tester, and a replaceable electrode pH pocket tester. To ensure the quality of its products, Hanna is a vertically integrated manufacturer and does not subcontract any part of its manufacturing.
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