Digital Absorption Photometer Checker HC (Residual Chlorine (Total Chlorine) ULR) HI761 1 piece

Easy to operate with just one button. Easy-to-read large display Ultra-low concentrations of total chlorine can be easily measured. It is effective for managing chlorine concentration during chlorine disinfection. Measurement items: Ultra-low concentration total chlorine Measurement principle: DPD method Resolution: 1ppb Accuracy (at 25℃): ±5% ±5dgt Light source: LED (525 nm) Power supply: 1 AAA alkaline battery (included for testing) Size: 61.0 x 37.5 x 81.5 mm, 64 g Accessories: Glass cell x 2 sets, Reagent x 6 uses Measurement range: 0 to 500 ppb Checker HC *This product is not waterproof.