31
Inspection Before Use
2
Measure samples (such as battery, commercial power
supply, and resistor) of which values have already been
known, and check that the appropriate values appear.
Check method
Action
Example:
Perform the AC voltage
measurement to measure the
commercial power supply, and
then check the display.
Normal:
An already-known value appears.
(In this example, the commercial
voltage level should appear.)
Abnormal:
The measured value does not
appear.
A malfunction may have occurred.
Stop the inspection and do not
use the instrument.
Содержание DT4200
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