4. To start the test press the TEST button.
During the test results will live update on screen. The test will
stop automatically when the instrument determines that the
reading has been stable for long enough and is unlikely to
change significantly; the user can override the instrument and
stop the test at any time by pressing the TEST button.
The Difference Meter is active.
When the test is stopped the displayed result is static.
End of the test
When the test stops, either automatically or after the user has pressed the TEST button,
the instrument will enter the discharge phase.
Warning: Do not disconnect test leads until discharge is completed.
During the discharge phase, the buttons and rotary switch will be inactive. While discharging is still in
progress a warning symbol (
F
) will flash on the left of the screen and an audible warning buzzer will
sound. Do not remove the test leads until discharge is complete and the warning disappears.
Note:
The TICK button (
) will set a new reference value.
5.2.2 Second test
1. To start the test press the TEST button.
Previous result moves to secondary display. Primary display
shows 3 dashes till a new valid reading is received.
The readings will update until a stable measurement is
achieved, at which point the instrument will automatically stop
the test. The test can also be stopped at any time by pressing
the TEST button
After the test, the Difference Meter records the reading and
primary screen will show the result.
Note:
‘Two previous results’ in the secondary screen,
left is previous result and right is the result before that.
Caution: If the reading is unstable the DLRO may not auto stop. The user will need to manually stop the test.
When the test stops, either automatically or after the user has pressed the TEST button,
the instrument will enter the discharge phase.
Warning: Do not disconnect test leads until discharge is completed.
During the discharge phase, the buttons and rotary switch will be inactive. While discharging is still
in progress a warning symbol (
F
) will flash on the left of the screen and an audible warning buzzer
will sound. Do not remove the test leads until discharge is complete and the warning disappears.
Note:
The TICK button (
) will set a new reference value.
Tests, Inductive mode
www.megger.com
DLRO2
19
