User Manual

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2400 Series SourceMeter

®

User’s Manual Source-Measure Concepts 6-31

Figure 6-18

In-circuit ohms measurements

IN/OUT

LO

IN/OUT

HI

A. Unguarded

SourceMeter

R

3

10kΩ

V-MeterI-Source

B. Guarded

x1

I

G

I

G

=

V

M

R

3

R

2

10kΩ

R

1

20kΩ

Resistor Network

IN/OUT

LO

IN/OUT

HI

Note: Ohms guard selected

R

3

10kΩ

V-MeterI-Source

R

2

10kΩ

R

1

20kΩ

Resistor Network

GUARD (Ohms mode)

SourceMeter