Fluke 1672 - Line Pair Setting; Safety Pretest; Test Voltage

Multifunction Tester
Measurements
31
Figure 9. Insulation Resistance Measurement Screen
Line Pair Setting
A test is made on any pair of two lines: L-N, L-PE, N-PE. The selected line pair shows above the
reading. See Figure 9.
Safety Pretest
W Caution
Safety Pretest works reliably only when you have connected the L terminal to the
phase, the N terminal to the neutral line, and the PE terminal to the PE line.
Note
For normal insulation with high resistance, the output voltage (U
A
) should always be
equal to or higher than the programmed voltage. If not, check the Tester connections,
leads, and fuses. If insulation resistance is low, the test voltage is automatically
reduced to limit the test current to a safe level.
Test Voltage
The test voltage is selectable between 50 V (1674 FC only), 100 V, 250 V, 500 V and 1000 V.
The default test voltage is 500 V.
Functions
Form
Insulation Resistance
No Limit
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