... in Chian. Specifications:A,SBL digital flow meter,intelligent flow meter,gas flow meter,liquid flow meter,steam flow meter etc.B,Flange ,clamp,thread inserted ... Steel,304,316(can offer according to customer's need)Power supply:Built-in 3.6N li batter,(lifetime 1~2 ... years),external power supply of 24VDCOutput forms:4-20mA;pulse,0-10V;RS232 ...