Test Button; Display Button; Test Terminals - Megger MEG10-01 Guide De L'utilisateur

being used under battery power, until battery power is exhausted. The
elapsed time will be displayed up to 99 min 59 sec.
If a PI test has been requested the 'PI Test' indicator will illuminate and
the 'Time Indicator' will default to 10:00. If you wish the test to
continue beyond the 10-minute duration, set the 'Time Indicator' to the
desired value. The measured insulation resistances at 1 minute and 10
minutes will be captured as well as the final values at the end of the
selected test duration. Similarly, if a PI test is selected, you may turn off
the automatic timer function and stop the test manually. The 1 minute
and 10 minute values will be captured if the test is allowed to run for 10
minutes or more as well as the final values. Please note that if a PI test
is selected 'Time Indicator' settings between 00:01 and 09:59 are not
allowed.
Pressing both buttons simultaneously during a test will cause the
selected test duration to be displayed for 3 seconds, after which the
timer will revert to displaying the elapsed time.
At the end of a test, briefly pressing one of these buttons will cause the
display to revert to its 'Test Setup' mode where the test parameters may
be set.

Test Button

Pressing the 'Test' button for more than one second will start a test
using the preselected parameters and will start the 'Time Indicator' if
its use has been activated. The actual test start is indicated by the 'HV
On' l.e.d. flashing red and the 'High Voltage Warning' symbols
flashing.
Pressing the 'Test' button a second time will stop the test and discharge
the item under test to a safe level.

Display Button

This button has several functions depending upon what the MEG10-01 is
doing when the button is pressed.
With the instrument turned on and running a test, briefly pressing the
'Display Button' will toggle the display between showing the measured
insulation resistance as a resistance and showing it as a leakage current.
With the instrument displaying the results of a completed test, pressing
the 'Display Button' briefly will cause the displayed measurement to
cycle round its measured values. If the test was a simple IR test this will
simply toggle the final insulation resistance reading between resistance
and current display modes. If the test was a PI test this will cycle round
1 minute resistance, 1 minute current, 10 minute resistance, 10 minute
current, PI value and, if the duration exceeded 10 minutes, the final
resistance and final current.
The 'Display Button' is also used to start and stop recording mode. For
more details see the section "Recording Data'" later in this manual.
The 'Display Button' is also used when downloading stored result and to
deleting stored data. More details are available under "Downloading
Results" and "Deleting Test Results" later in this manual.

Test Terminals

The MEG10-01 has three test terminal marked '+', '-', and 'G'. These
terminals are designed to accept safety leads and have shutters across
them to prevent accidental ingress of material into the sockets. These
shutters may be used to 'lock' the leads into place by inserting the lead
termination and rotating it until the leads are held by the shutters. They
may be unlocked by turning the lead termination by a quarter
revolution.
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