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PVĪ© Measurement Function (Model IR4053 and IR4055 only)
After Measurements
1
After measuring insulation resistance for all the strings,
remove the black test lead from the ground terminal.
2
Reconnect the lightning arrester connection if
disconnected.
3
Turn on all the disconnector devices of the strings.
4
Turn on the main switch of the connection box.
1 minute after the last measurement or operation, the
turns on and the 500 V/1000 V RELEASE key blinks. Press the key
to release the lock.
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