... /s.4. l No movable part, safe and reliable.5. l Wide measure range, bigger than 1:30.6. l ... —+700°(Extreme temperature type)Accuracy:gas ±0.5% ±1.0% ±1.5% ,steam ± 0.5% ±1.0% ±1.5% ,liquid ±0.2% ±0.5 % ±1.5% Measuring range: gas 1:100,1 ... years),external power supply of 24VDCOutput forms:4-20mA;pulse,0-10V;RS232/RS485;Hart protocol,GPS.Our digital flow meter are all LCD ...