... ,ISO14001 General Introduction Remote Gas Meter is suitable for measuring the flow of natural gas, coal gas and liquid gas. One household fixed one ... . Inside simple absolute structure is suitable for different kinds of gas, can filter and precipitate the impurity or dust.8. Whole ... /4.0FQ-SB---steel shell, LCD display, left/right entrance, gas leaking alarming port, G1.6/2.5/4.0 Remote ...