Hanna Instruments HI96761 Cal Check Chlorine Total Low Range Portable Photometer, 7-19/32" Length x 4-3/32" Width x 2-11/16" Height, 0.000 to 0.500 mg/L, 0.001 mg/L Resolution, LCD Display, 9V

The HI 96761 meter measures the traces of total chlorine (cl2) content in drinking water samples. This meter uses an exclusive positive-locking system to ensure that the cuvette is in the same place every time it is placed into the measurement cell. Chlorine is integrated into water supplies in it’s molecular form for the purpose of destroying unwanted microorganisms. HI 96761 is supplied with sample cuvettes with caps (2), 9V battery and instruction manual. 0.000 To 0.500 milligrams per liter range. 0.001 milligrams per liter resolution. +/-0.020 milligrams per liter +/-3 percent of reading at the rate of 25 degree C. Tungsten lamp light source. Light detection: silicon photocell with narrow band interference filter at the rate 525 nm. Power supply 9V battery. Auto-off: after 10 minutes of non-use in measurement mode; after 1 hour of non-use in calibration mode; with last reading reminder. Environment: 0 to 50 degree C (32 to 122 degree F); RH max 95 percent non-condensing. Measures 7-19/32" length by 4-3/32" width by 2-11/16" height. 12.7oz Weight. Method: adaptation of the method 330.5 and standard method 4500-CL G.