digital gas meter (LCD display) 1.high quality and tech 2.competitive price 3.quick delivery tern 4.Best after-service digital gas meter (LCD display)Specifications:A,SBL digital flow meter,intelligent flow meter,gas flow meter,liquid flow meter,steam flow meter etc.B,Flange ,clamp,thread inserted connection etc.C,4~20mA,pulse,0~10V,RS485,HART etc.D,anti-interfere, anti-impurity, anti-acid, ...