... high accuracy and long life small flow gas flow meter (min flow for gas is 15L/hr ) We are QUANZHOU ... :A,SBL digital flow meter,intelligent flow meter,gas flow meter,liquid flow meter,steam flow meter etc ... etc. Functional characteristics:1, Measurement flow of liquid, gas, steam, ropy mediums or ambulatory mediums in low, ... ,1:10 liquid 1:200,1:100;1:50,1:30,1:10Minimum flow:gas:12L/h steam:2kg ...