Monitors evacuation procedures from start to finish. Because of strict NIST standards and continuous calibration testing, the VG200 Digital Vacuum Gauge earned a reputation of being best-in-class for its accuracy and reliability. Get the flexibility to select or change units with the two simple button operation on the digital vacuum gauge: MICRONS, MILLIBAR, TORR and INCHES/HG quickly during any procedure. The digital vacrometer will also automatically compensate for varying temperature conditions, with no manual adjustments necessary. VG200 Digital Vacuum Gauge features:Gauge Hook, Adapter “T-fitting” and Padded Vinyl Case. Calibrated to strict NIST standardsBest-in-class accuracy and reliabilityAutomatic temperature compensationCleanable sensor withstands 400 PSI positive pressureLarge, easy-to-read 5-digit LCDSelectable units: Microns, Torr, in/hg, and mBar with the digital vacuum gauge.