The JOFRA DPC-500 from AMETEK Calibration Instruments, AMETEK T-Americas, Albany, NY, is a handheld device for high-precision calibration of pressure gauges, transmitters, and switches, digital manometers, and overpressure protection valves. The device has a separate reference pressure sensor which can be fixed to the instrument or used off-instrument with a cable. You can use up to 5 interchangeable reference sensors of different pressure ranges with any one instrument; it provides high pressure, current and voltage accuracies; an extended pressure range of 250 mbar to 1000 bar F.S.; and absolute pressure measurement. It also has 15 predefined units and USB and RS-232 interfaces.
AMETEK Calibration Instruments, AMETEK T-Americas