PM310H – for high pressure calibration: Using PM305 together with a hydraulic pump a unique handheld high pressure calibrator named PM310H. Originally designed for use on North sea platforms, the PM310H is extremely rugged and is made for field use. Using oil or water as a pressure medium, the PM310H generates pressure up to 700 bar (G) with accuracy of 0.03% FS. PM310H is supplied ready to use in carrying case complete with test hose and fittings.