Model DMM7510 7½ Digit Graphical Sampling Multimeter Calibration Manual
Section 2: Performance verification
DMM7510-905-01 Rev. A / April 2015
2-65
Rel the Model DMM7510:
1. On the calibrator, select the
OPR/STBY
key. Ensure that the front panel displays
STANDBY
.
2. Verify the Model DMM7510 Zero reading.
Rel the system:
1. On the calibrator, select
OPR/STBY
key. Ensure that the front panel displays
OPERATE
.
2. Enable the calibrator Amplifier and select the
BOOST
key.
3. On the calibrator, set the amplifier range lock
ON
.
4. Source
0.0 A
.
5. On the reference DMM, select
DCA
,
20A
range.
6. On the 20A range, rel the reference DMM offsets using
Zero Range
.
7. On the Model DMM7510, rel the system offsets.
8. 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