User Manual

2400 Series SourceMeter
®
User’s Manual Source-Measure Concepts 6-33
Figure 6-19
In-circuit ohms measurements using guard sense
GUARD (Ohms
mode)
B. Remote Guard Sense
A. Local Guard Sense
R
TL
SourceMeter
1Ω
Test lead resistance
I
G
IN/OUT
LO
IN/OUT
HI
R
3
100Ω
R
2
10kΩ
R
1
20kΩ
I
L
GUARD (Ohms
mode)
R
TL
1Ω
I
G
IN/OUT
LO
IN/OUT
HI
R
3
100Ω
R
2
10kΩ
R
1
20kΩ
I
L
GUARD
SENSE
SourceMeter