... 20mA,pulse,0~10V,RS485,HART etc.D,D,anti-interfere, anti-impurity, anti-acid, corrosion resistant, portability SBL target flowmeter with ... °(normal temperature),-40°~ +250°(wide temperature type),-40°~ +450°(high temperature),-40—+700°(Extreme temperature type)Accuracy:gas ±0.5% ±1.0% ±1.5% ,steam ± ... .6N li batter,(lifetime 1~2 years),external power supply of 24VDCOutput forms:4-20mA;pulse,0-10V;RS232/ ...