Fire extinguisher pressure indicator

Brass shelled, plated with nickle,firm and durable.

Shockproof and waterproof.

Comfirm with the driving principle of geer wheel machine.

Wouldt be fatigue in the condition of P+60 Celsius degree,

1000 unit pressure and perennial pressure.

Total sealing up diaphragm structure that ensure the pressure meter would not leak at the 6 times working pressure.

The glass of meter is made of unbreakable polycardbonate plastic.

Indicate precisely and easy to read.

In the green area the start point is ≤+1 bar

In the green are the end point is ±6%

The working pressure is ±0.5 bar