This advanced vacuum measurement instrument provide constant indication and monitoring of the evacuation process from atmospheric down to 0 micron. Advanced surface mount technology automatically compensates for ambient changes in the environment ensuring accuracy and consistency in performance. Rugged field-cleanable sensor is able to withstand 400 psi of positive pressure. Instrument is CE approved. Range from atmospheric to 0 microns large 5-digit readout in microns, in. Hg, or continuous measurement indication what's included: hanging hook, adapter, and carrying pouch.