... 2.high pressure oil filled gauge 3.high pressure air gauge 4.high pressure aseismatic gauge Pressure gauge ... detection, vacuum pumps, air filter, etc. Low Pressure Gauge Specifications Diameter:50mm 2.5"(63mm) , ... Pressure instrument High pressure manometer Low pressure gauge aseismatic gauge Standless steel Gauges Contact Gauges Differential Gauges Precision Gauges temperature gauge High pressure oil ...