Making Relative Measurements - Fluke 123 User Manual

Making Relative Measurements

Zero Reference displays the present measurement result
with respect to the defined value. This feature is useful
when you need to monitor the measured value in relation
to a known good value.
Open the INPUT A menu.
Open the METER A OPTIONS
submenu.
Jump to ZERO REF.
(2x)
Highlight ON.
Activate the relative
measurement.
Making Relative Measurements
Figure 1-9. Making a Relative Measurement
The relative measurement now becomes the main
reading, while the former main measurement has moved
to the smaller secondary reading position. (See Figure
1-9.)
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Using The Test Tool
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