Features:

1) G1.6, G2.5, G4 home membrane type gas form (steel outer cover)

2) suitable for the measurement in such flow of gases as natural gas, artificial coal gas, liquefied petroleum gas, and marsh gas

3) The technical indicator accords with national standard GB/T6968-1997

4) The grade of accuracy is the B grade

5) This serial gas form is membrane type structure

6) The inner works measure the room wholly for the special polyformaldehyde 

    plastics

7) The outer cover adopts the high-quality stencil plate to play taking shape 

    deeply, its unique rotation valve is covered, the precision of measurement

    that is guaranteed

8) Reverse the device mainly to set up inside (can prevent the counter from 

    moving reversely)

9) The sensitivity is high, it is accurate to measure, use and maintain it 

    conveniently, adopting special surface treatment technology, antiseptic

    ability is strong, and have long performance life