... so that no extra pressure loss; no movable parts, so meter has long service life.Short straight pipe required, only 5D ... liner and electrode to prevent it from corrosion to ensure meter long operation life.MCU and SMT technology used in converter ... , total flow, velocity, flowrate percentage with back lightSignal Output: 4~20mA current output, Pulse Output, RS-485, Hart, Profibus-DP Power Supply: 220VAC ...