SLEEP MODE
After one minute in HI-P, the Digital Vacuum Gaugewill reduce power to conserve battery life. This is
indicated on the display:
Full power operation will resume when a button is pressed, or if the vacuum pressure is reduced below
25,000 microns.
OIL SENSOR & CLEANING
If oil or other contamination is inadvertently drawn into the sensor, the display will show:
TO CLEAN THE SENSOR
01. Turn the Digital Vacuum Gaugepower on.
02. Shake out any excess oil.
03. Using an eye dropper or syringe, fill the sensor port hole with isopropyl alcohol. Do not insert any object
into the port.
04. Shake out the alcohol.
05. Repeat steps (3) and (4) three times.
06. Thoroughly dry the sensor by pulling a vacuum for about 1 minute, or allow at least 1 hour to air dry.
07. If OIL still shows on the display, perform a freezer calibration.
CALIBRATION SELF-TEST
To ensure highest accuracy, periodically perform a calibration self-test:
01.Turn the Digital Vacuum Gaugepower is off.
02.Expose the Digital Vacuum Gaugeto atmospheric pressure.
03. Press and continue to hold . After 5 seconds, the display will show:
if the unit is in calibration, or:
if calibration is required.
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