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5. Use the output adjustment controls to adjust the Calibrator output for a reading of
19.9 V (the reference value) on the DMM. The displays change to:
4/18/2013
Standby
Reference
19.900000 V
Scale
External
Sense
OFF
6. Touch Scale to identify this as the full-scale endpoint for the DMM range.
7. To check the linearity error of the DMM, select an output at a linearity checkpoint
somewhere in the middle of the range, such as 10 V. If 10 V is entered, this changes
the display to:
4/18/2013
Standby
Reference
10.000000 V
Scale
External
Sense
OFF
14:33
+/- 4.3 ppm (1 year) 213 days since calibration
Auto Range 22 V
19.901700
42.00000
dBm
1.0000
kHz
Offset
0.001300 V
Offset
New Reference
External
Guard
OFF
14:33
+/- 4.3 ppm (1 year) 213 days since calibration
Auto Range 10 V
10.000208
42.00000
dBm
1.0000
kHz
Offset
0.001300 V
Offset
External
Guard
OFF
Front-Panel Operation
Linearity Check with Offset and Scale
V
Error
= -0.0151%
Wideband
Setup
Menu
OFF
V
Scale Error
= -0.0151%
Wideband
Setup
Menu
OFF
4
hhp139.eps
hhp140.eps
4-43
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