For the meter which has liquate inner, can work in strong vibration or pressure pulse situation.

对于在外壳内充液的仪表，能够抗工作环境振动较强和减少介质压力的脉动影响。

The normal pressure meter is suite measure some liquate, gas, steam medium pressure which has no corruption for copper and steel.

一般压力表适用于测量爆炸危险，不结晶，不凝固及对钢和铜合金不起腐蚀作用的液体、蒸汽和气体等介质的压力。