... 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 ... s.4,No movable part, safe and reliable.5,Wide measure range, bigger than 1:30.6,Good repeatability, generally 0 ... .10.08% , fast to measure.7,Small pressure loss, only about 1/2P of Standard ...