Benning IT 130 - 5.9 TRMS current by means of current clamp adapter

BENNING IT 130 Measurements
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5.9 TRMS current by means of current clamp adapter
This function allows the measurement of load currents and leakage currents by means of the
optional current clamp adapters BENNING CC 1, BENNING CC 2 and BENNING CC 3 using
the TRMS (TRUE RMS) measuring method. This measuring method guarantees correct
measuring results even in case of non-sinusoidal signals.
Key function as described in chapter
4.2 Function selector switch
Figure 5.38:
Current
Connection plan
Figure 5.39: Connection of the optional current clamp adapter BENNING CC 1,
BENNING CC 2 or BENNING CC 3
How to perform current measurements
 Set the current clamp adapter as described in chapter 4.4.9 and connect it to measuring
input C1.
 Select the A ≅
≅≅
≅ function by means of the function selector switch. The display shows
CURRENT.
 Clamp the single-wire conductor by means of the current measuring clamp (see figure
5.39).
 Press the "TEST" key to start the measurement.
 Press the "TEST" key again to stop the measurement.
 Save the measuring result by pressing the "MEM" key (optional).
Figure 5.40: Example of a current measurement
Result displayed:
I ............... current