Luminus Pressure Gauge 1.size:50mm 2.connection:brass 3.pressure range: vacuum, compound,0-15psi-10,000psi 4.accuracy:2.5% Luminum Pressure Gauge1 ... .size:50mm2.connection:brass3.pressure range: vacuum, compound,0-15psi-10,000psi4 ... the gaugeAfter having been lighting up, the reading of the pressure gauge can be seen clearly for a long time in the ...