Battery electromagnetic flow meter special for the area without AC220V/DC24V power supply, battery mag flow meter transfer and monitor data via 4-20mA, pulse, RS485, GPRS. 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, Titanium,Tantalum,Platinum-iridium; Structure: Integral,remote,submersible,ex-proof; Medium Temperature: -20¡æ~+60¡æ (integral type), Remote type(neoprene,Hard rubber,Polyurethane, EPDM) -10¡æ~+80¡æ; Remote type (PTFE / PFA / FEP)-10¡æ~+160¡æ; Ambient Temperature: -20¡æ~+60¡æ;