REFCO REF-VAC - Manual (Page 4)

2
EN
Technical details
Property Values
Range 0 to 18000 Microns / 0 to 2400 Pascal
Units Pascal, Microns, mbar, Torr, mTorr, psi, inHg
Resolution 0 – 20: 0.2 Microns
21 – 200: 1 Microns
201 – 500: 5 Microns
501 – 1000: 10 Microns
1001 – 3000: 50 Microns
3001 – 6000: 200 Microns
6001 – 18000: 1000 Microns
Sensor type Thermistor
Connector 1/4 SAE = 7/16-20UNF
Operating
temperature range
0°C to 40°C / +32°F to 104°F
Protection class IP54
Storage temperature
range
-20°C tp +60°C / -4°F to 140°F
Max. overpressure 34 bar / 500 psi
Accuracy up to 100 Microns +/- 10 Microns
101 - 750 Microns +/- 45 Microns
Power supply 3 x 1.5 V AAA / LR03 batteries
Service life when used continually is ca. 40 hours
(depending on the battery type).
Automatic shut off After 10 min. if vacuum value greater than 18000
Microns
After 30 min. if vacuum value less than 18000 Microns
Use
Preparation
 Insert 3 batteries in the battery compartment at the back of the device.
Ensure the batteries are inserted using the correct polarities.
Do not leave used batteries in the battery compartment. If you
will not be using the device for a longer period of time, remove
the batteries from the battery compartment.