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Section 2: Performance verification
Model DMM6500 6½-Digit Multimeter with Scanning Calibration and Adjustment Manual
2-38
DMM6500-905-01 Rev. A/July 2018
Figure 19: Connections for DC current verification 10 A range
Apply a relative offset to the DMM6500:
1. On the calibrator, select the
OPR/STBY
key. Ensure that the front panel displays
STANDBY
.
2. Verify the DMM6500 zero reading.
3. Verify the DC current verification points and reference DMM readings from the following table.
Verify DC current 10 A range
Description
Nominal input
Typical measured
input (A)
Lower limit
Upper limit
UUT Zero
STANDBY
-2.750E-03
2.750E-03
System zero
0.00E+00
4.80E-04
REL
REL
Full scale (+)
10
9.99961
9.900
1.001
Half scale (+)
5
4.99984
4.900
5.000
Half scale (
–)
–5
–5.00079
–5.000
–4.900
Full scale (
–)
–10
–10.0016
–1.001
–9.900