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【Features】 ①Stainless steel housing, heat-resistant, can withstand 250 ° F high temperature, corrosion resistance, suitable for different working environments. ② Contains two measuring parameters, MPA and PSI, to meet different needs. ③ Glass mask with high hardness and high pressure resistance. ④ Copper alloy thread has excellent ductility and corrosion resistance. ⑤ Measurement medium range: water pressure, air pressure, hydraulic pressure, oil pressure ⑥Glycerin Filled gauges enhance the reliability and integrity of the measuring systems for long periods 【Product parameters】 Size: 1/4 "NPT Material: 304 stainless steel Dial Face: 2.5 '' Measurement range: 0 ~ 100PSI 【Precautions】 1.The meter must be installed vertically 2. When measuring the stable load, the reasonable use range should not exceed 3/4 of the upper measurement limit. When measuring the pressure, it should not exceed 2/3 of the upper measurement line. As for the minimum pressure, it should not be lower than the measurement in both cases 1/3 of the lower limit 3.Isolation devices should be added to measure media that may crystallize and media with high viscosity 4. Prior to use, the pressure gauge should check the degree of strong corrosion of the measured medium on stainless steel to avoid causing corrosion cracking.