Figure 6-17 Measure Only (V Or I) - Keithley SourceMeter 2400 User Manual

®
2400 Series SourceMeter User's Manual
Measure only (V or I)
Figure 6-17 shows the configurations for using the SourceMeter exclusively as a voltmeter
or ammeter. As shown in
only by setting it to source 0A and measure voltage.
CAUTION V-Compliance must be set to a level that is higher than the measured
voltage. Otherwise, excessive current will flow into the SourceMeter.
This current could damage the SourceMeter. Also, when connecting an
external voltage to the I-Source, set the output-off state to the high-
impedance mode. (See
In Figure 6-17B, the SourceMeter is configured to measure current-only by setting it to
source 0V and measure current. Note that in order to obtain positive (+) readings, conven-
tional current must flow from IN/OUT HI to LO.
Figure 6-17
Measure only (V or I)
I-Source
(0.00000µA)
A. Measure Voltage Only
V-Source
(000.000mV)
Note: Positive current flowing out of
IN/OUT HI results in positive (+)
measurements.
B. Measure Current Only
Note: Use 2-wire local sensing.
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Source-Measure Concepts
Figure 6-17A, the SourceMeter is configured to measure voltage
Section 13, "Output-off
IN/OUT
HI
±
DUT (V-Source)
V-Meter
IN/OUT
LO
Positive
Current
I-Meter
IN/OUT
HI
DUT (I-Source)
IN/OUT
LO
6-33
states.")