5. VVOLTAGE MEASUREMENT
1) Set the function switch to V position.
2) Connect red test lead to “ VΩ” terminal and black test lead to
“ COM ” terminal.
3) Connect the probe IN PARALLEL to the circuit to be measured.
4) Read the voltage value from the display. The meter indicates AC
voltage on the main display.
6. FLOOR PROBE - RESISTANCE MEASUREMENT
1) Set the function switch to FLOOR PROBE position.
2) Connect red test lead to “ VΩ” terminal and black test lead to
“ COM ” terminal.
3) Connect the probe to floor probe wires.
4) Read the resistance value from the display.
7. HEATING CABLE <1000ΩRESISTANCE MEASUREMENT
1) Set the function switch to HEATING CABLE <1000Ωposition.
2) Connect red test lead to “ VΩ” terminal and black test lead to
“ COM ” terminal.
3) Zero out the test lead resistance (see section 3.5 Zero key).
4) Connect the probes to the cable wires (black & white / red).
5) Read the resistance value from the display, if the resistance is
<10Ω, the meter will beep.
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8. MΩINSULATION RESISTANCE MEASUREMENTS
8-1 Measuring Insulation Resistance
Measuring insulation resistance requires the application of
potentially dangerous voltage to the circuit. This may include
exposed bonded metal work.
Before proceeding, ensure that the installation is correctly wired
and no personnel are endangered by any test.
1) Set the function switch to the desired MΩtest voltage position.
2) Connect red test lead to “ VΩ” terminal and black test lead to
“ COM ” terminal.
3) The display will show “-----” until the TEST button is pushed.
Press and hold the TEST key. The upper right display shows
the test voltage applied to the circuit under test. The main
display shows the resistance until a stable resistance reading is
displayed on the main display.
4) Keep the probes on the test points when releasing the TEST
key. The upper right display shows the measured resistance
reading and the main display show “- ---”, while the circuit now
discharges through the meter.
5) Verify that the circuit is completely discharged. Set the function
switch to the other MΩtest voltage position. The upper right
display shows the decreasing voltage, keep the probe touched
to test points until the circuit is completely discharged and the
display shows “0V”.
8-2 Using the LOCK Function to Measure Insulation Resistance
The LOCK function holds the test voltage on the probes. Use
LOCK function to make long duration measurements, don’t need
to push and hold the TEST key.
1) Press and hold down LOCK key then press TEST key enter to
LOCK mode. In this mode, a potentially dangerous voltage is
continuously applied to the probes.
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