For quick calibration by comparison with Master Gauge. The Master Gauge to be periodically checked on Dead Weight Pressure Gauge Tester. Two Gauge Connectors are provided for connecting master gauge and gauge to be tested to the same hydraulic pressure. Screw Pump to generate pressure in the Circuit. Permits easy and accurate setting of pressure.

Water Operated models are also available in Comparison Test Pumps. All wetted parts will be made of stainless steel.