... with 14 years experience. the product have goode quanlity intelligent gas flow meter QUANZHOU RIXIN FLOW METER AND INSTRUMENT CO ... trust in Chian. Specifications:A,SBL digital flow meter,intelligent flow meter,gas flow meter,liquid flow meter,steam flow ... 0.2% ±0.5 % ±1.5%Measuring range: gas 1:100,1:50,1:30,1:10 steam 1:30,1 ... :20,1:10 liquid 1:200,1:100;1:50,1:30,1:10Minimum flow:gas:12L/ ...