Fluke 1650B Инструкция по эксплуатации онлайн [34/62] 4485

Fluke 1650B Инструкция по эксплуатации онлайн [34/62] 4485
165XB
Users Manual
26
6. Press and release T.
The tester supplies ½x the rated RCD current for 310 or 510 ms (2
seconds in the UK). If the RCD trips, the test terminates. If the RCD does
not trip, the tester reverses phase and repeats the test. The test terminates
if the RCD Trips.
If the RCD does not trip, the tester restores the initial phase setting and
supplies 1x the rated RCD current. The RCD should trip and the test
results appear in the primary display.
7. Reset the RCD.
8. The tester reverses phases and repeats the 1x test. The RCD should trip
and the test results appear in the primary display.
9. Reset the RCD.
10. The tester restores the initial phase setting and supplies 5x the rated RCD
current for up to 50 ms. The RCD should trip and the test results appear in
the primary display.
11. Reset the RCD.
12. The tester reverses phase and repeats the 5x test. The RCD should trip
and the test results appear in the primary display.
13. Reset the RCD.
You can use the U arrow keys to review test results. The first result
shown is the last measurement taken, the 5x current test. Press the
down arrow key U to move backward to the first test at ½x the rated
current.
If the trip time is according to the appropriate standard of the RCD and
the fault voltage is below the chosen limit (25V, 50V), the RCD W
indicator displays. For more information, see Maximum Trip Time
Table on page 50.
14. Test results are in temporary memory. If you want to store the test results,
press M and proceed as described in “Storing and Recalling
Measurements” on page 31 of this manual. Measurement storage and
recall is available only on Model 1653B.

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