Handheld Instruments Basic Service
35
DMM800 Series Adjustment Procedures
This section contains procedures to adjust DMM830, DMM850, and DMM870
multimeters. Perform these procedures once a year or if the
DMM800 Series
Performance Verification
procedure indicates the need for calibration.
In this section you will find the following information:
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A list of adjustments
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A list of test equipment needed to make the adjustments
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Instructions on how to prepare the instrument for adjustment
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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
DMM800
Series Performance Verification
section.
List of Adjustments
Use the adjustments listed in Table 9 to return DMM800 Series multimeters to
factory calibration.
Table 9: DMM800 series adjustments
Adjustments P art 1
DC Volts
AC Volts
Capacitance
Temperature (DMM850 and DMM870)
DC Milliamperes
DC Amperes
Adjustments P art 2
AC Response