REFCO Ref-Vac Digital Vacuum Gauge


Latest measuring instrument for continuous reading of measured values during the evacuation process out in the field as well as in the laboratory. The REFCO ref-vac digital vacuum gauge unit also has a practical hook for hanging and conforms to the IP classification 54.

Vacuum Gauge Specifications

Range0 to 18000 Microns
UnitsPascal, Microns, mbar, Torr, mTorr,
psi, inHg
Resolution0-20: 0.2 micron
21-200: 1 micron
201-500: 5 microns
Sensor typeThermistor
ConnectorStandard male 1/4 inch SAE
Operating temperature range+32°F to 104°F
Storage temperature range-4°F to 140°F
Max. over pressure500 psi
Accuracy+/- 10% 0-100 micron
+/- 6%  101-750 microns

101 – 750 Microns    +/- 45 Microns

Power supply3 x 1.5 V  AAA / LR03 batteries
Service life when used continuallyca. 40 hours (depending
on the battery type)
Automatic shut offAfter 10 min. if vacuum value
greater than 18000 Microns

After 30 min. if vacuum value
less than 18000 Microns