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Checking the Relative Value/Performing Zero Adjustment
4.3 Checking the Relative Value/
Performing Zero Adjustment
The relative value comparing to the standard value can be checked
(relative function).
It can also be used as the zero adjustment function.
Zero adjustment eliminates the infl uences of the test lead wiring
resistance (continuity, resistance measurement) and the wiring
capacity (capacitor measurement).
This function is disabled under the following conditions.
During OL display, frequency measurement, and duty measurement
Checking the relative value (REL)
Example: DC voltage measurement
When the standard value is
measured, press REL for at least 1
second.
( lights up.)
The relative value is displayed.
To cancel the display, press it again.
(
goes off.)
•
When the relative function is performed, the auto range is canceled.
(However, this excludes the capacity measurement function.)
• Do not input values exceeding 4000 counts for the DC voltage,
DC current, and temperature measurement (only the DT4212).
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