Capsule pressure gauge are used to measure to measure  mico pressure and 

negative pressure  gauge of gas  that has no danger of explosion and does 

not erode alloy. based on common capsule pressure gauge, stainless steel 

 capsule pressure gauge introduce stainless material used in internals and

 housing.Shockproof capsule pressure gauge is designed on base of stainless

 steel capsule pressure gauge,with glycerine filled inside and pressure limiter 

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