Keithley 6220 DC User Manual

2-12 Output Connections Model 6220/6221 User’s Manual
Return to Section 2 topics
Figure 2-9
Cable Guard connections – triax inner shield connected to Cable Guard
A safety shield must be used whenever hazardous voltages (>30Vrms, 42Vpeak)
will be present in the test circuit. Figure 2-10 shows how to make guarded connec-
tions with the use of a safety shield.
Using shielding and guarding together
Figure 2-10 shows connections for a test system that uses a noise shield, a safety
shield, and guarding.
Figure 2-10
Connections for noise shield, safety shield, and guarding
High
Low
DUT
Output
622x
Guard
Plate
Cable Guard
(black*)
Triax Cable
Output Low connected
to earth ground
(red*)
(green*)
* Boot color for alligator clip if
using supplied triax cable.
(Earth Ground)
High
Low
DUT
Output
Metal Noise Shield
Safety
Earth
Ground
Metal
Safety
Shield
Chassis
Screw
622x
Guard
Plate
Cable Guard
(black*)
Triax Cable
Triax inner shield connected to Cable Guard
Output Low connected to earth ground
(red*)
(green*)
* Boot color for alligator clip if
using supplied triax cable.
(Earth Ground)

Keithley 6220 DC Specifications

General

Brand	Keithley
Model	6220 DC
Category	AC Power Distribution
Language	English