QuadTech Sentry 30 Plus User Manual

Service & Calibration Page 81 of 85
4.3.5 IR Voltage Calibration (IRV)
Keep the setting on the Valhalla voltmeter at DC and 2kV range. IR calibration is applicable to
the Sentry 30 Plus instrument.
Press [F1] = UP to go to Cal Step 5: ‘IRV 1kV Offset (50V)’.
Press [STOP] to return instrument to steady state.
Press [START] to get offset value.
Press [F1] = INC or [F2] = DEC until the Sentry Plus display reads the same as the voltmeter.
Press [ENTER] to accept reading.
Sentry Plus reverts to “IRV Offset” display (incorporating new cal value).
Press [F1] = UP to go to Cal Step 6: ‘IRV 1kV Full (1kV)’. Change voltmeter range to 20kV.
Press [STOP] to return instrument to steady state.
Press [START] to get full value.
Press [F1] = INC or [F2] = DEC until the Sentry Plus display reads the same as the voltmeter.
Press [ENTER] to accept reading.
Sentry Plus reverts to “IRV Full” display (incorporating new cal value).

QuadTech Sentry 30 Plus Specifications

General

Brand	QuadTech
Model	Sentry 30 Plus
Category	Test Equipment
Language	English