Keithley DMM7510 Calibration Manual page 74

Model DMM7510 7½ Digit Graphical Sampling Multimeter Calibration Manual
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
UUT Zero
System zero
Full scale (+)
Half scale (+)
Half scale (-)
Full scale (-)
DMM7510-905-01 Rev. A / April 2015
Nominal input Typical measured
input (A)
STANDBY
0.00E+00 4.80E-04
10 9.99961
5 4.99984
-5 -5.00079
-10 -10.0016
Section 2: Performance verification
Lower limit Upper limit
-2.750E-03 2.750E-03
REL REL
9.9818606E+00 1.0017359E+01
4.9895902E+00 5.0100898E+00
-5.0110412E+00 -4.9905388E+00
-1.0019352E+01 -9.9838476E+00
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