Suction Pressure Calibration Equipment Select a calibration equipment for calibrating suction pressure measuring devices, and generating suction pressure for setting calibration points. DM01 Multi-Range High Accuracy Pressure Gauge LEX1 (Ei) High Accuracy Digital Pressure Gauge LEO 2 (Ei) Digital Manometer PGS40 Mid Pressure Calibration Hand Pump Vacuum sensor control system set-point tester for 0 to -0.95 bar/13.8 psi