Keithley DMM6500, Руководство по калибровке

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Section 2: Performance verification Model DMM6500 6½-Digit Multimeter with Scanning Calibration and Adjustment Manual
2-30 DMM6500-905-01 Rev. A/July 2018
Verify digitize current 100 mA range
Description Calibrator setpoint
(A) Lower limit Upper limit
UUT zero 0 REL n/a
Full scale (+) 0.1 9.99200E-02 1.00080E-01
Half scale (+) 0.05 4.99450E-02 5.00550E-02
Half scale (
–) –0.05 –5.00550E-02 –4.99450E-02
Full scale (
–) –0.1 –1.00080E-01 –9.99200E-02
Verify digitize current 1 A range
Description Calibrator setpoint
(A) Lower limit Upper limit
UUT zero 0 REL n/a
Full scale (+) 1 9.99900E-01 1.00
Half scale (+) 0.5 4.99350E-01 5.00650E-01
Half scale (
–) –0.5 –5.00650E-01 –4.99350E-01
Full scale (
–) –1 –1.00 –9.99900E-01
Verify digitize current 3 A range
Description Calibrator setpoint
(A)* Lower limit Upper limit
UUT zero 0 REL n/a
⅔ scale (+)
2 1.00 2.00
Half scale (+) 1.5 1.00 1.00
Half scale (
–) –1.5 –1.00 –1.00
⅔ scale (–) –2 –2.00 –1.00
* The 3 A range full-scale test points are limited to 2 A in this table because of the accuracy
limitations of Fluke Models 57xxA and 5725A series calibrators at currents above 2.2 A.
Verify digitize current 10 A range
See Digitize current 10 A range verification (on page 2-39) under Rear-panel verification (on page 2-
37).
AC current verification
The following topics describe how to verify AC current.
Verify AC current on the 100 µA to 3 A ranges
To verify AC current accuracy, you will:
•
Apply accurate voltages from the Fluke 5720A or 5730A multifunction calibrator to the DMM6500
front-panel terminals.
•
Verify that the displayed readings fall within specified limits.