General Instruments compound gauge Model SPGS-P is designed for reliable panel-mounted compound pressure indication in demanding industrial service. The gauge uses a 2.5" / 63 mm dial with a 1/4" Male NPT back connection and front flange for panel mounting. Stainless Steel Made, with SS316 wetted parts, glass window and a dry case prepared for filling where vibration or dynamic pressure conditions require liquid filling. Measuring range is -1...7 bar with secondary psi scale, accuracy class is Class 1.6, and the compact design is suitable for hydraulic lines, pneumatic systems, pumps, compressors and general process duties.