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PREPARATIONS FOR USE (ALL INSTRUMENTS)
DET4D
Test lead connections (at
rear of instrument)
Digital LCD display
Resistance measurement
settings (2P, 3P and 4P)
Selector switch
Test button
Ruptured fuse
indicator
Warning - refer to
user manual
Under/over
range indicator
Voltage
measurement
settings
Battery charger
indicator
Measurement ranges
Potential probe
resistance (OK or
high)
Current probe
resistance indicator
(OK or high)
Ground noise voltage
indicator (OK or high)
Test lead connection (at rear of instrument)
8
Batteries
The Megger DET series instruments are supplied with batteries fitted.
When batteries become exhausted, refer to the section on battery
replacement.
Warning: Do not switch the instrument on with the battery cover
removed.
Inspection
Before each use of the instrument, visually inspect the instrument case,
test leads, spikes and connectors to confirm that their condition is good,
with no damaged or broken insulation.