... 8150 pH/ORP Meter Performance FeaturespH/ORP-8150 is a single/double channels pH/ORP meter, the pH/ORP value of channel ... is widely used for chemicals, pharmacy, environmental protection, metallurgy, power factory, paper making, food and water supply etc.Type and ... Automatic/Manual temperature compensation range: 0~99.9; Automatic three point calibration function;Standard pH solution: 4.01, 6.86, ...