... fluids, choose proper material of liner and electrode to prevent it from corrosion to ensure meter long operation life.MCU and SMT technology ... /cmAccuracy: ±0.3%, ±0.5%Repeatability: ±0.1%, ±0.17%Rated Pressure: GB 0.25, 0.6, 1.0, 1.6 ... , total flow, velocity, flowrate percentage with back lightSignal Output: 4~20mA current output, Pulse Output, RS-485, Hart, Profibus-DP Power Supply: 220VAC ...