... replace all of the analog indicators in the market.Performance2-wire, no additional power supply required, just as traditional LCD ... switch outputsNPN,PNP outputTechnical dataAnalogue signal: 2-wire-system: 4…20mASupply:Supplied by current loop; voltage drop:≤ 4.2VElectrical protection:Short-circuit ... , °C, PSI, MPa, bar, KPa, mbar, Pa, % etc. Transmitter 2-Wire Loop Powered Dispaly led indicator