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DMM249 Adjustment Procedures
List of Adjustments
Test Equipment
18
This section contains procedures to adjust the DMM249 Digital Multimeter.
Perform these procedures once a year or if the DMM249 Performance Verifica-
tion procedure indicates the need for calibration.
In this section you will find the following information:
H A list of adjustments
H A list of test equipment needed to make the adjustments
H Instructions on how to prepare the instrument for adjustment
H 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 DMM249
Performance Verification section.
Use the adjustments listed in Table 6 to return DMM249 multimeter to factory
calibration.
Table 6: DMM249 adjustments
DC Volts
AC Volts
The test equipment listed in Table 5 on page 9 is a complete list of equipment
needed for the adjustment procedures. These procedures assume that the test
equipment is operating within tolerance.
Alternative test equipment must meet or exceed the intended minimum require-
ments specified in Table 5. If you substitute equipment, you may need to modify
the procedures.
Handheld Instruments Basic Service
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