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Dual port, high resolution, fast response digital vacuum gauge provides ultimate productivity. The Vacuum Sentry guards system service activity and provides notification when preset alarm thresholds are met.


  • Auto shut-off
  • Low battery indicator
  • Convenient built-in hanger
  • East to clean sensor (with Isopropyl Alcohol)
  • Audible and visual alarm for high and low vacuum
  • Display updates every 1/2 second
  • Backlit LCD
  • Reads vacuum in Microns, milliBar, Pascals, Torr, & milliTorr
  • Ultra fine resolution (Best 0.5 micron when vacuum is less than or equal to 140 microns.)
  • WARNING: Prop 65 info
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Parameter Scale: Microns, mBars, Pascals, Torr, milliTorr
Vacuum Range: 0 to 19,000 Microns
Connector type: Dual standard 1/4" male flare
Sensor type: Thermistor
Power source: 3 AA batteries
Overpressure: 800 psi max. (55 Bar)
Operating Temperature Range: 0°F to 150°F (-17°C to 65°C)
Best resolution: 0.5 Microns (0-140 microns)
Vacuum measurement during system evacuation
Measurements to confirm system leaks
High precision laboratory tests
SDS Product Sheets Cross Reference Information
no entry VG640D_prd_001.pdf
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Manuals Application Sheets Software
no entry

No Cross Reference Available

Is ‘Temp out of range’ repairable in the field?: No, it will need to be replaced by the distributor it was purchased from.