MI 3290 Earth Analyser
Tests and Measurements
80
Test can be started from the 2 Clamps measurement window. Before carrying out a test the
following parameters (Measurement Clamp Type, Test Frequency, Generator Clamp Type
and Limit (Ze)) can be edited.
Figure 11.25: 2 Clamps measurement menu
Test parameters for 2 Clamps:
Measurement Clamp type
Set measurement clamp type: [A1018]
Test Frequency
Set test frequency: [82 Hz, 94 Hz, 105 Hz, 111 Hz, 128 Hz,
164 Hz, 329 Hz]
Generator Clamp type
Set generator clamp type: [A1019]
Limit (Ze)
Limit value selection [
OFF, 0.1 Ω – 40 Ω]
2 Clamps Measurement procedure:
Select the
2 Clamps measurement function.
Set the test parameters (clamp type, frequency and limit).
Connect the clamps to the instrument and to the test object.
Press the Run key to start the measurement.
Wait until the test result is displayed on the screen.
Press the Run key again to stop the measurement.
Save results (optional).
Figure 11.26: Example of 2 Clamps measurement result
Notes:
Consider displayed warnings when starting the measurement!
High noise currents and voltages in earth could influence the measurement results. The
tester displays the
“noise” warning in this case.
