... matrix LCD can display pH values, mV value, temperature, alarm settings and time. Configuration menu is simple and ... / ORP (mV), pH mV, temperature, proportion of 4~20mA output.Temperature compensationAutomatic.Transmission signal4 to 20mA isolated output ... proof type (option)Salt bridge typeTEFLON, Ceramics (option)Integrated temperature sensor (Option)Pt100, Pt1000, 10K, 2.252KJacket materialPPS ...