Hanna Instruments HI96710C Free/Total Chlorine and pH Portable Photometer Kit

Free/total chlorine and pH portable photometer kit. Kit includes photometer, hard carrying case, 2 sample cuvettes, scissors, cuvette cleaning cloth, battery and instruction manual. 6.5 to 8.5 pH range; 0.00 to 5.00 milligrams per liter (ppm) free Cl range; 0.00 to 5.00 milligrams per liter (ppm) total Cl range. 0.1 pH resolution; 0.01 milligrams per liter free Cl resolution; 0.01 milligrams per liter total Cl resolution. +/-0.1 pH at 25 degree C accuracy; +/-0.03 milligrams per liter +/-3 percent of reading free Cl accuracy; +/-0.03 milligrams per liter +/-3 percent of reading total Cl accuracy. Tungsten lamp. Silicon photocell with narrow band interference filter at 525nm light detector. 9V Battery power supply. Auto-off: after ten minutes of non-use in measurement mode, after one hour of non-use in calibration mode, with last reading reminder. 0 to 50 degree C (32 to 122 degree F); RH maximum 95 percent non-condensing environment. Phenol red pH method; adaptation of the EPA recommended DPD method 330.5 chlorine method.