MI 3295 Step Contact Voltage Measuring System Measurements
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Connections for current measurement
For connections see Error! Reference source not found. and Error! Reference source
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Figure 7.20: Examples of current measurement results
Displayed result for current measurement:
I............... current
7.4 Earth resistance
7.4.1 Earth resistance measurement
Figure 7.21: Earth resistance screen
Earth resistance measurements
Select EARTH function using the function selector switch.
Select EARTH RE sub-function using the cursor UP / DOWN keys.
Connect C2/E test lead and ES potential lead to main earthing point.
Connect C1/H test lead to current probe.
Connect S potential lead to potential probe.
Press the TEST key to perform the measurement.
Store the result with MEM key (optional).
Connections for earth resistance measurement
For connections see Figure 7.4.
Figure 7.22: Example of earth resistance measurement result
Displayed results for earth resistance measurement:
R ............. Earth resistance,
Rp ........... Resistance of S (potential) probe,
Rc ........... Resistance of H (current) probe.
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