16
Measurements
(cont’d)
Insulation Resistance measurement
Select this function by pressing the Ω button. It will display the following states (Initial Display
and Display with results). See
Fig. 12
below.
Legend of displayed symbols in Fig 12:
Insulation Resistance
Name of selected function
250V
Selected test voltage
253 V
Actual test voltage (measured value)
102 MΩ
Insulation Resistance –
result
Bar
Analog presentation of result
Measurement procedure:
• Connect the test leads to the instrument and to the test object.
• Select
INSULATION RESISTANCE
mode by pressing the
Ω
button.
• Press the
START/STOP
button and release it. This will begin continuous measurement.
• Wait until the test result has stabilized then press the
START/STOP
button again to stop
the measurement.
• Wait to remove the object under test until it is discharged.
Notes:
• A high-voltage warning symbol appears on the display during the measurement to warn the
operator of a potentially dangerous test voltage.
Initial display
Display with results
Fig. 12
Insulation Resistance Function Display States
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