The Fluke 3130 Portable Pneumatic Pressure Calibrator is ideal for calibrating pressure transmitters, transducers, gauges and similar devices. The Fluke 3130 contains everything you need to generate, control and measure pressure, as well as read the output of the device under test (DUT). Supply pressure connection allowing the use of external gas supply up to 2 MPa (300 psi, 20 bar),Includes variable volume for fine adjustment of pressures,Powered by internal, high capacity, NiMH battery or universal ac mains adapter.