battery electromagnetic flow meter provides precise, reliable flow data for water management. With a 5 year battery life, DC3.6V powered magnetic flowmeter eliminates the need for AC power connection. Size: DN10-DN2000; Nominal Pressure: 0.6-1.6MPa(2.5Mpa / 4.0Mpa /6.4Mpa…Max 42Mpa); Accuracy: ¡À0.5% (Standard),¡À0.3% or ¡À0.2% (Optional); Liner:PTFE,Neoprene,Hard Rubber,EPDM,FEP, Polyurethane,PFA£» Electrode: SUS316L,Hastelloy B, Hastelloy C, Tianium,Tantalum,Platinum-iridium; Protection Class: IP65(Standard),IP68(Optional for remote type); Output Signal: 4-20mA / pulse (optional); Communication: RS485(Optional),HART(Optional),GPRS/GSM(Optional);