Fluke 1650B [24/62] Warning

Fluke 1650B [24/62] Warning
165XB
Users Manual
16
2. Use all (red, blue, and green) terminals for this test. You can use test leads
or mains cord when measuring AC voltage.
The primary (upper) display shows the AC voltage. The tester reads
AC voltage to 500 V. Press 1 to toggle the voltage reading between
L-PE, L-N, and N-PE.
The secondary (lower) display shows mains frequency.
Measuring Insulation Resistance
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Figure 8. Insulation Resistance Display/Switch and Terminal Settings
XW Warning
Measurements should only be performed on de-energized
circuits.
To measure insulation resistance:
1. Turn the rotary switch to the R
ISO
position.
2. Use the L and PE (red and green) terminals for this test.
3. Use the 4 to select the test voltage. Most insulation testing is performed
at 500 V, but observe local test requirements.
4. Press and hold T until the reading settles and the tester beeps.
Note
Testing is inhibited if voltage is detected in the line.
The primary (upper) display shows the insulation resistance.
The secondary (lower) display shows the actual test voltage.

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