On-Line Ph Controller 1.LCD display 2.100 ~ 240 VAC 50/60Hz 3.4 to ... , paper industry and food industry. The built-in dot matrix LCD can display pH values, mV value, temperature, alarm settings and ... ×96×120mmComposite glass PH electrode parametersSensor film typeGeneral type, low resistant type (option), Alkali-proof type (option)Salt bridge typeTEFLON, Ceramics (option)Integrated ...