Digitron 2021P, 0-130mbar, Differential Manometer The Digitron 2021P handheld differential manometer is for general purpose applications, testing gas distribution systems, process control systems and leak testing. It is of robust design, to IP67 with hose connected, and operates between -10 and +50 °C. Features include a backlit display, reinforced silicone keypad and separate battery compartment. The 2021P filters low-level fluctuations to provide a stable display when measuring unsteady pressure levels. Accuracy 0.15% rdg + 0.1fs + digit (+20 to +30 °C), 0.15% rdg + 0.15% fs digit (elsewhere)2 inputs via 1/8 BSP (4mm id, 6mm od hose)Preset engineering units -mbar, Pa, inH2O, mH2O, inHg, mHg, kPa, PSIMin/Max recorder and range lockDimensions 155 x 67 x 40 mmWeight 180g