2400 Series SourceMeter
®
User’s Manual Source-Measure Concepts 6-33
Measure only (V or I)
Figure 6-17 shows the configurations for using the SourceMeter exclusively as a voltmeter
or ammeter. As shown in Figure 6-17A, the SourceMeter is configured to measure voltage
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 Section 13, “Output-off states.”)
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)
V-Meter
I-Source
(0.00000µA)
A. Measure Voltage Only
IN/OUT
HI
IN/OUT
LO
±
DUT (V-Source)
I-Meter
V-Source
(000.000mV)
B. Measure Current Only
IN/OUT
HI
IN/OUT
LO
DUT (I-Source)
Positive
Current
Note: Positive current flowing out of
IN/OUT HI results in positive (+)
measurements.
Note: Use 2-wire local sensing.
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