The Dwyer A-396A Calibration Pump with Integral Bleed Fitting, 72 psi (5 bar) serves as pressure source to calibrate gauges and transmitters or to set pressure switches. The pump can be used with manometers or other pressure standards. It includes a volume adjuster, enabling fine pressure control and bleed valve. The pump generates pressures from a fraction of an inch w.c. to 72 psig (5 bar). Barbed fitting, a tee connector, and three 36" lengths of vinyl tubing included with the pump.