气体压力表适用测量氧气、乙炔、二氧化碳、氩气等介质的压力，氧气表要求禁接触一切含油成份的液体和气体。
　　These gauges are designed for measuring the pressure of medium Oxygen, Acetylene, CO/₂ and Argon. The Oxygen gauge must not touch oil.
主要技术指标 Technical specifications:
表壳材质 Case material: 碳钢（喷涂黑塑）
测压元件 Pressure element: 铜合金 Copper alloy
机芯材质 Movement material: 铜合金 Copper alloy
接头材质 Socket material:铜合金 Copper alloy
防护等级 Weather protection: IP54
工作条件：工作介质温度应不超过-40～70℃
相对湿度≤85%（适用温度偏离20±5℃）
其温度附加误差不大于0.4%/10℃
Working conditaions: Temperature of medium must within the ragen:-40～70℃
Relative humidity:≤85%(when working temperayure deviates from 20±5℃, the additional temperature error shall not more than 0.4%/10℃)