Amprobe MEGATEST-5000 Megohmmeter - Manual (Page 11)

4 Working instructions
4.1 Description of the instrument
Legend:
1. Instrument ON/OFF switch.
2. Negative high voltage jack.
3. GUARD jack.
4. Positive high voltage jack.
5. An example of measurement connection using the GUARD.
6. Measuring range graph.
7. Display.
8. An example of measurement connection without using the GUARD.
9. Keyboard.
10. Serial port connector RS 232.
Note: On the front of the instrument, under the handle, there is a “purge” knob.
This knob can be opened to vent the case to assist in the opening of the case
following a high altitude flight.
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