Calibration Adjustment and Verification
Calibration 3
3-7
HI
HI
HI
LO
LO
LO
OUTPUT
HI
LO
GND
GRD
752A Voltage
Divider Standard
INPUT
REFERENCE
STANDARD
NULL
DETECTOR
5730A
Calibrator
8508A
Reference
Multimeter
NC
hhp305.eps
Figure 3-2. Zero Null Detector Connection
DC Voltage Source Characterization Values
1. Self-Calibrate the reference divider according to the procedure in the Self-
Calibrate a Fluke 752A Divider with a Fluke 8508A as the Null Detector
section above.
2. Connect the reference divider and the 8508A as shown in Figure 3-3. The
short on the INPUT and REFERENCE STANDARD inputs of the reference
divider must be a low thermal EMF connection. Fluke Calibration
recommends a piece of copper wire for this.
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