... years experience. the product have goode quanlity intelligent gas flow meter QUANZHOU RIXIN FLOW METER AND INSTRUMENT CO.,LTD is a ... trust 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 ... ;pulse,0-10V;RS232/RS485;Hart protocol,GPS.Our digital flow meter are all LCD display,it also can show ...