... water ph sensor 1.Isolation type 4~20mA output 2.LCD digital indicator with back light 3.Temperature compensation 4 water ph sensor ApplicationIndustrial waste ... wastewater, printing and dyeing, electronic semiconductor, chemical, pharmaceutical, etcFeatures:1.High impedance preamplifier, strong ability of anti-interference 2.Transmission ... , 50/60HZ12.Dimension: 96*96*125mm13.N.W: 1 KG water ph sensor