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User's Manual
Automatic Zeroing
Auto Zero is applicable to DCV, DCI, 2WR and 4WR measurement functions.
After entering the measurement function, press the Menu key to set [Auto Zero] in the menu,
as shown in Figure 2-5 (taking DCV measurement as an example).
When Auto Zero is set to "On", the multimeter separates the input signal from the
measurement circuit after each measurement and takes a reading at zero input, then
subtracts the previous reading from the reading at zero input (i.e., the displayed value is
the difference between the measured value and the zero value during the measurement
process), this is to minimize the effects of bias and thermoelectric potential on the
instrument's input circuitry on the measurement results.
Auto zero is set to "off", the auto zero function will be turned off.
Instruments.uni-trend.com
Figure 0–5 Auto Zero Setting
UT8806E Desktop Digital Multimeter
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