Manifold Pressure Gauge; Pressure Gauge Type Class B; Minimum Pressure 30 Inch Hg, 0 PSI; Maximum Pressure 300 PSI; Display Type Dial; Enclosure Material Steel; End Connection 1/8 Inch Male Threaded; Connection Location Bottom; Dial Diameter 2-1/2 Inch; Dial Color Blue Compound; Pointer Color Black; Full Scale Accuracy +/-3 Percent; Mid Scale Accuracy +/-2 Percent; Accuracy +/-3 Percent; Application R-410A Refrigerant; Scale Type Fahrenheit; Applicable Standard NIST
Flutterless™ technology surge protector minimizes the needle pulsation for improved accuracy Calibration traceable to nist standards Small screw in back is 6/32 inch x 5/32 inch phillips pan head screw