OPERATION OF THE TWO-CLAMP CALIBRATION ADAPTOR
1. Ensure the rotary selector switch is in the OFF position.
2. Connect the instrument as shown.
3. Close the ICLAMP around one loop of the two-clamp calibration adaptor.
4. Close the VCLAMP around the other loop of the two-clamp calibration adaptor.
5. Ensure a minimum separation of 100mm between the ICLAMP and VCLAMP.
6. Set the rotary selector switch to the position.
7. Press and release the TEST button [by holding the TEST button, the resistance
measurement will be continually updated].
8. The instrument will perform pre-measurement checks, the status of which will be indicated on
the display.
9. The two-clamp resistance reading will be displayed and should match the value written on the
two-clamp calibration adaptor.
Note:
1. Ensure that the ICLAMP and VCLAMP jaw mating surfaces are free of dust and contamination
and that they contact completely when the units are closed.
2. Currents carried by conductors in close proximity to the ICLAMP may affect calibration and
reduce the accuracy of measurements made.
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