... :one week SBL digital target gas flowmeter1 Intruduction 1) Category and applications Based on the measurement theory of flow ... conservancy and so on.Gas:Gas, air, hydrogen, natural gas and nitrogen gas, liquified petroleum gas, super - the oxadation hydrogen, flue gas, marsk, butane ... 0~42Mpa. 2) Characteristicsl Measurement flow of liquid, gas, steam, ropy mediums or ambulatory mediums in low, ...