Vacuum gauge with combined piezo/Pirani sensor VD850

with LCD graphic displayUSBportable

The Piezo/Pirani combination sensor of the VD850 covers a wide measuring range in rough and fine vacuum with highest precision and accuracy. Overview VD850 vacuum meter: • Wide measuring range of combined piezo/Pirani sensor • Measurement of absolute and relative pressure • Pirani sensor with durable, elastic helix filament • Integrated metal screen for protection against contamination e.g. oil and solvent vapors • High resolution and precision in whole measuring range • Stable measuring values due to optimized temperature compensation • Excellent long-term stability • Leak-rate calculation via rate of rise measurement • Adjustable gas type correction factor • Long battery performance of min. 48 hours • Calibrated exchange sensor heads for quick and easy replacement by trained personnel Overview VD800 series: • Big graphic display • Intuitive menu-driven handling • Direct graphical visualization of pressure curves • Integrated data logger for saving multiple measurement series with RTC data • Storage of minimum and maximum pressures achieved during measurement • Automatic switch-off or continuous operation • Optical and acoustical alarm when reaching a predefined threshold • Charging per standard USB-C cable • Quick and easy data-transfer via USB-C or wireless via Bluetooth® LE (optional) • Pressure units: mbar, Torr, hPa • Selectable menu language • Adjustable logging rate of 50 ms to 60 s for fast processes • VacuGraphTM-Software: To read-out data logger, and to visualize, analyze, and save measurements