Digital Vortex Flow Meter: DVFM-1000I Pipe size : 15mm to 500mm Accuracy : ± 1.0% repeat more than 0.33% ; ± 0.5% repeat more than 0.15% Max pressure : d4.0Mpa , Medium temperature: ( -50 + 250) , ( -50 + 350) Power supply: 12-24VDC or 3.6VDC battery Output signal : 4-20mA; RS485; HART Measurable medium: Liquid, gas, saturated steam, superheated steam Specification