Fluke 5790B - Page 59

Calibration Adjustment and Verification
Calibration 3
3-21
INPUT 1
HI
LO
VOLTAGE MODE
CU RRENT MO DE
5725A STANDBY
FAULT
OVERLOAD
CABLE OFF
POWER
8508A
Reference
Multimeter
5790B UUT
EX GUARD
Input 1
5700A Calibrator with 5725A
INT SENSE
INT GUARD
Strap from GUARD to GROUND
INPUT
792A P OWER PA CK
PO WER SUPP LY
OUTPUT
OPER ATE
LOW B AT
CHARGE
Coaxial Tee Only
(No cable between
792A and 5790B)
792A Power Rack
792A Transfer
Standard
GUARD
Input
50 Ω Coaxial Cable
Output HI
GUARD
GROUND
Output LO
Use Heavy Braid
HI
LO
1000 V Range
Resistor
Use above 220 V only
elu030.eps
Figure 3-8. AC Calibration Test Setup