Tektronix KEITHLEY DMM6500

DMM6500
6½-Digit Multimeter with Scanning Calibration and Adjustment Manual Section 2:
Performance verification
DMM6500-905-01 Rev. E June 2021 2-9
Verify the dc voltage 100 V range
The information in this section is intended for qualified service personnel only, as described
by the types of product users in the Safety precautions pages, provided at the beginning of
this document. Do not attempt these procedures unless you are qualified to do so.
Some of these procedures may expose you to hazardous voltages, that if contacted, could
cause personal injury or death. Use appropriate safety precautions when working with
hazardous voltages.
Description Nominal value Lower limit Upper limit
Full scale (+)
100
99.954
100.0046
Half scale (+)
50
49.99685
50.00315
Half scale (–)
-50
-50.00315
-49.99685
Full scale (–)
-100
-100.0054
-99.9946
Verify the dc voltage 1000 V range
Description Nominal value Lower limit* Upper limit*
Full scale (+)
1000
999.944
1000.056
Half scale (+)
500
499.974
500.026
Half scale (–)
-500
-500.026
-499.974
Full scale (–)
-1000
-1000.069
-999.931
*For each additional volt over ±500 V, add 0.02 mV of uncertainty.