McMaster 3181T51 Pulley Diameter Checker 14 Gauges, 1 4" to 1 1 2" Diameters 36P062 Pressure (PSI) 30 Pressure and Pressure (PSI) 30 Pressure and Vacuum Gauge Type Pressure Gauge Basic Gauge Sensor Material Bronze Socket Material Brass Includes Calibration Certificate NIST with Data Panel Mountable No Hazardous Location Rating Not Rated Test Pressure Gauge Type Test Pressure Gauge Primary Pressure Scale Color Black Movement Material 400 Stainless Steel Freeze Resistant Movement No Primary Units psi Gauge Accuracy Grade Grade 3A Test Gauge Wetted Parts Brass Bronze Process Temperature Range 20 to 250 Degrees F Ambient Operating Temperature Range 20 Degrees to 200 Degrees F all temperature tape that is ideal for weather proofing