Pressure CalibratorMC2 pressure calibrator for pressure and electrical signal calibration has a graphical display, a menu-based interface, full numerical keyboard, and a standard rechargeable battery and battery charger. The calibrator is weatherproof and can be equipped with both internal and external pressure modules for wide configuration possibilities. Functionality includes active and passive current measurement, voltage measurement, frequency measurement, pulse counting and switch testing. The MC2 has an internal 24 V DC loop supply and selectable loop resistor for HART loops.