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Connecting to Inductive Loads
The measurement of inductive loads (transformers, ballasts, coils, magnets, chokes, etc.) requires that
special precautions be taken in order to ensure safety and maximize performance. Other than the noise
considerations mentioned in the last section of this chapter, the following items should be noted:
1) Prior to connecting the unit to the load, select the highest (rightmost RANGE switch) range
possible.
2) Settling times for inductive loads are greater than those of resistive loads. A stable reading
generally indicates that the inductor has been fully charged and an accurate measurement is being
taken.
3) Prior to disconnecting the load, select the highest resistance range and wait for the display to show a
stable reading indicating that the inductor has been discharged. This reduces the possibility of
drawing an arc which may cause injury to the operator and/or damage the instrument.
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