... : -35°C~+55°C Unit noise rate: ≤72dB Power supply for computer: 1 phase , 220V , 50HzPower consumption for computer: ≤500WInlet vacuum ... pressure rate for STP: ≥260Kpa Power supply: 1 phase , 220V , 50Hz for STP 3 phase , 380V , 50Hz or 1 phase , 220V , 50Hz for ... -proof motor ( self-contained models only )-High accurate flow meter designed by GiIbarco USA -Three filtering systems ensure clean fuel ...