... ms, s, PH, , , PSI, MPa, bar, KPa, 3.LCD can work on 3mA LCD indicator, LCD display, indicator, loop powered display, 2-wire loop ... Supply: Not required, 4 to 20mA loop poweredVoltage drop: ≤3.5VLCD can work on 3mAElectrial protectionShort-circuit protection: PermanentReverse polarity ... 28gIngress protection: IP 65(when mounted)Color of housing:Black LCD digital display LCDD-03 show pressure value