Pressure Gauge; +/- 3-2-3 Percentage Accuracy; Stainless Steel Body Material; Stainless Steel Case Material; Black Color; 1/4" NPTM Connection Nominal Size; NPT Connector Type; 2-1/2" Nominal Diameter; Dial Display Type; 2-1/2" Gauge Size; Polycarbonate Lens Material; Imperial Measuring System; 1/4" Lower Mount Mounting; 30PSI Maximum Operating Pressure; 150 Deg F Maximum Operating Temperature; 20 Deg F Minimum Operating Temperature; 0 To 30PSI Range 1; 1/4" Nominal Thread Size; Pressure Type; For Used With Compressor, Hydraulic and Pneumatic System, Machine Tool and Pump