User Manual
2400 Series SourceMeter
®
User’s Manual Contact Check Function F-3
Figure F-1
Source of Kelvin resistance errors
Operation
DUT connections
The contact check function can be used to verify satisfactory contact resistance to
the DUT at both the front and rear panels. If you do not wish to perform contact
check using the GUARD/GUARD SENSE jacks (on the rear panel), they must be
shorted together for proper contact check. The SourceMeter must be placed into
remote sense (4-wire) mode for contact check to function. If in 2-wire mode, con-
tact check can be enabled but will not be performed.
All three source/sense pairs are tested when contact check is enabled. If a
source/sense pair is not used in a particular test, it must have a shorting plug
installed. Other than this requirement, normal connections to the DUT should be
made as shown in Figure F-2.
WARNING: NO INTERNAL OPERATOR SERVICA
CAUTION: FOR CONTINUED PROTECTION AGAINST FIR
250V
PEAK
250V
PEAK
HI
LO
IEEE-488
(ENTER IEEE ADDRESS
WITH FRONT PANEL MENU)
250V
PEAK
5V
PEAK
5V
PEAK
5V
PK
RS232
DUT
Rc
V, Ω,
GUARD
4-WIRE
SENSE
INPUT/
OUTPUT
GUARD
SENSE
Rs