WIKA 9767061 Industrial Pressure Gauge, Liquid/Refillable, Copper Alloy Wetted Parts, 2-1/2" Dial, 0-100 psi Range, +/- 2/1/2% Accuracy, 1/4" Male NPT Connection, Bottom Mount Copper alloy wetted parts for high corrosion resistance against salty liquids Circular dial is enclosed in a stainless steel case that resists corrosion against most samples Pressure ranges from 15 psi to 15,000 psi Display accuracy ranges from + or - 1 percent of span to + or - 2/1/2 percent of span over the entire range of the gauge Male connection with 1/8", 1/4", or 1/2" NPT rate