Panel Familiarization - Keithley 5156 Instruction Manual

Panel familiarization
lop panel
Figure 2. I shows the top panel of the Model 5 156. The various components include:
BNC Standard Jacks: Each of the four standard resistors and two standard
capacitors is connected to its own individual BNC jack. When used as a current
or charge standard, a DC voltage calibrator is connected to the appropriate jack.
When used as a resistance standard, a BNC shorting plug is connected to the
appropriate jack. Note that each standard is connected to the center conductor,
while the shell of each jack is connected to chassis ground.
OUTPUT Jack: This 3.lug triax jack is normally connected to the input of the
instrument being tested. The center conductor is internally connected to each of
the resistance and capacitance standards, the inner ring is connected to SHIELD,
and the outer ring is at chassis ground.
WARNING
To assure proper safety grounding, always connect the
OUTPUT jack to the electrometer INPUT jack before
applying voltage to the Model 5156.
CAUTION
Do not exceed ZOOV peak maximum input voltage.
Characterization Value Label: A label that contains the characterized values of
the standard resistors and capacitors is affixed to the top panel.