Uniweld's UVG2 Digital Vacuum Gauge provides unsurpassed vacuum accuracy and quickly measures vacuum in Microns, Pascals, Millibar, and mmHg with a resolution down to 1 micron. The UVG features temperature-compensated self-calibration without the need of other equipment.The UVG2 is protected by a durable, orange rubber gauge boot. Other features include large, high visibility backlit LCD display and vacuum sensor can withstand overpressure up to 400 PSI. Also included is a 1/4" x 1/4" Female Adaptor that can be used to connect the Vacuum Gauge to Uniweld’s Valve Core Removal Tool with 1/4" side port fitting (Part No. 92838 – Sold Separately) or Uniweld’s EZ Turn Hose with EZ Access “T” Fitting (Part No. EZT5B – Sold Separately).