DCM330 Adjustment Procedures
Handheld and Benchtop Instruments Basic Service
11
Adjustment Procedures
This section contains procedures to adjust the DCM330 Digital Clamp Meter. If
your instrument fails a performance requirement, use these procedures to return
it to factory specifications.
In this section you will find the following information:
A list of adjustments
A list of test equipment needed to make the adjustments
Instructions on how to prepare the instrument for adjustment
Step-by-step adjustment procedures
The procedures in this section do not verify performance. To confirm that your
multimeter meets factory specifications, perform the procedures in the Perfor-
mance Verification section.
List of Adjustments
Use the adjustments listed in Table 10 to return the DCM330 clamp meter to
factory calibration.
Table 10: DCM330 Adjustments
Position Error
AC Current
DC Current
Peak Hold
Test Equipment
The test equipment listed in Table 6 on page 6 is a complete list of equipment
needed for the adjustment procedures. These procedures assume that all test
equipment is operating within tolerance. Detailed operating instructions for test
equipment are not given in this procedure. If you need operating information,
refer to the instruction manual of the test equipment.
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