Dwyer Instruments” MINEG Series gauges have dual PSI and Bar scales with red, green, and yellow zones on two-inch dials. The gauges possess 1.5 percent full scale accuracy and are designed with a one-piece forged-brass case and connection. These silicone-filled gauges feature brass sockets and phosphor bronze bourdon tubes. Units can withstand ambient temperatures of 30 F to 160 F (-1 C to 71 C). Units provide a mining industry standard hydraulic quick-connect connection that contains a Buna o-ring and fluoroelastomer washer. This connection makes the MINEG the ideal gauge for roof support shields on long wall mining equipment and other hydraulic systems used in the mining industry. Series MINEG gages are competitively priced starting at $40.00.