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DMM6500 6½-Digit Multimeter with Scanning Calibration and Adjustment Manual
Line power
The DMM6500 requires a line voltage of 100 V to 240 V and a line frequency of 400 Hz, 50 Hz or 60
Hz. Calibration verification tests should be performed within this range.
The instrument automatically senses the line frequency at power-up.
Recommended test equipment
The following table summarizes the recommended calibration verification equipment. You can use
alternate equipment if that equipment has specifications that meet or exceed those listed in the table
below. Test equipment uncertainty adds to the uncertainty of each measurement. Generally, test
equipment uncertainty should be at least four times more accurate than corresponding DMM6500
specifications.
In this manual, the Model 8610 shorting plug is shown in the figures. However, you can use either
the Model 8610 or the Model 8620 shorting plug.
Manufacturer
Fluke
Fluke
Fluke
Keithley
Instruments
IET Labs, Inc.
IET Labs, Inc.
Keithley
Instruments
Refer to the manufacturer's specifications to calculate the uncertainty, which varies for each function
and range test point.
DMM6500-905-01 Rev. E June 2021
Model
Description
5720A or 5730A
High-Performance
Multifunction Calibrator
5725A
Amplifier
8508A or 8588A
8.5-Digit Reference
Multimeter
3390
Function/Arbitrary
Waveform Generator
1423-A
Precision Decade
Capacitor
HACS-Z-A-2E-1uF
Series HACS-Z High
Accuracy Decade
Capacitance Box
8610 or 8620
4-Wire DMM Shorting
Plug
Section 2: Performance verification
Used for
Uncertainty
DCV, ACV, ACI, and
See following
resistance
note.
DCI and ACI
See following
note.
DCI
See following
note.
Frequency
See following
note.
Capacitance, 1 nF to
See following
1 µF
note.
Capacitance, 1 µF to
See following
100 µF
note.
DCV, digitize DCV, and
See following
resistance
note.
2-3
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