... or 3.6V lithium battery5,Display:LCD screem6,Medium temperature:M type≤280°C,H type≤350°C7, ... Pressure:PN1.6MPa PN2.5 MPa PN4.0 MPa PN6.4 MPaIntelligent Vortex Flow meterUsing piezoelectric principle, converters can receive temperature sensor ... signal and pressure sensor signal. It can detect and control the various liquids, gases, high / low temperature saturated steam ...