TM80 Telemetry Monitor Service Manual A-9
A.7 Mains on Applied Part Leakage
The Mains on Applied Part test applies a test voltage, which is 110% of the mains
voltage, through a limiting resistance, to selected applied part terminals. Current
measurements are then taken between the selected applied part and earth.
Measurements are taken with the test voltage (110% of mains) to applied parts in
the normal and reverse polarity conditions as indicated on the display.
The following outlet conditions apply when performing the Mains on Applied Part
test.
Normal Polarity;
Reversed Polarity
Preparation
To perform a calibration from the Mains on Applied Part test, press CAL (SOFT KEY
2).
1. Disconnect ALL patient leads, test leads, and DUT outlet connections.
2. Press CAL to begin calibration, as shown:
If the calibration fails, the previously stored readings will be used until a passing
calibration has occurred. Also, the esc/stop key has no effect during calibration.
3. When the calibration is finished, the Mains on Applied Part test will reappear.
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