UT203:

Change to AC by using average response method.  Input sine wave, then adjust
the reading until it is same as the effective value.

UT204:

Combine AC and True RMS response method.  Input sine wave to adjust.  Non
sine wave must follow the below data to adjust:

Peak factor: 1.4~2.0, add 1.0% on the stated accuracy
Peak factor: 2.0~2.5, add 2.5% on the stated accuracy
Peak factor: 2.5~3.0, add 4.0% on the stated accuracy.

Remove the transformer jaw.
Press 

  to display zero.

Repeat the above 1. procedure.
The obtained reading will be more precise.

2.
3.
4.
5.

l

Change to AC:

REL

Model UT203/204: OPERATING MANUAL

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