Dwyer Instruments”MINEG Series gauges have dual PSI and Bar scales with red, green, andyellow zones on two-inch dials. The gauges possess 1.5 percent fullscale accuracy and are designed with a one-piece forged-brass case andconnection. These silicone-filled gauges feature brass sockets andphosphor bronze bourdon tubes. Units can withstand ambient temperaturesof 30 F to 160 F (-1 C to 71 C). Units provide a mining industry standardhydraulic quick-connect connection that contains a Buna o-ring andfluoroelastomer washer. This connection makes the MINEG the ideal gaugefor roof support shields on long wall mining equipment and otherhydraulic systems used in the mining industry. Series MINEG gages arecompetitively priced starting at $40.00.