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6. Measuring
6.1. Selecting the type of measurement
The
TM-25R
measures grounding resistance with or without
compensation of the inductive component.
6.1.1. Grounding resistance measurement
•
Select the grounding resistance measurement by pressing the
key.
When the equipment is switched on, this function is automatically
selected.
•
Press the
key to start the measurement.
•
The led of the
key will shine for a few seconds and then the display
will show the resistance value and the measurement unit.
•
The measurement result will be recorded in the memory.
6.1.2. Grounding resistance measurement function with inductive
component compensation
•
Select the function measurement with compensation by pressing the
key.
•
Press the
key to start the measurement.
•
The led of the
key will turn on and after a few seconds the display
will show the resistance with no compensation value. The compensation
process starts immediately. During this process the display shows
capacitance values that the system selects and the Rc value for each
capacity, up to finding the lower value corresponding to the tuning. At
the end of this process, the display shows the value of the resistance
without compensation [R], the resistance measured with compensation
[Rc], the capacitance value [C] with which the tuning was obtained and
the estimated value of the equivalent inductance of the system [L].
•
The measurement result will be recorded in the memory.
