Centralize ptitude gas meter

1.Measure accuracy class: B level 2.Supporting base form: Dan Dong City heats up the labor , the Chongqing mountain city 3.Supporting card type: Radio frequency gets stuck 4.Pressure is always lost: ≤250 Pa 5.Ambient temperature: -20- 50 6.Relative humidity: ≤93% 7.Base form material: Aluminium shell , box-hat 8.Grade preventing explosion: Exib II BT3 9.Display way: Liquid crystal , the character wheel are displayed pair 10.Way supplying electricity: Lithium battery 11.Operating voltage: DC 3.6 V 12.Maximal moment electric current: <160 mA (come untied, when closing valves) 13.Express the connection centre spur mm: 130 14.Form connection thread: M 30 * 2 15.Package: The box 6 installs paper