Current Measurements (Dci And Aci); Connections - Keithley 2750 User Manual

3-14 Basic DMM Operation

Current measurements (DCI and ACI)

The Model 2750 can make DCI measurements from 10nA to 3A and ACI measurements
from 1µA to 3A RMS.
NOTE

Connections

NOTE
WARNING
Front panel inputs
When using the front panel input terminals, connect the test leads to the AMPS and
INPUT LO terminals as shown in
Figure 3-4
DCI and ACI connections using front panel inputs
Caution: Maximum Input = 3A DC or RMS
See the previous discussion about crest factor in
and ACV)," page 3-8.
When using the front panel inputs, the INPUTS switch must be in the "F" (out)
position. For switching modules, it must be in the "R" (in) position.
To prevent electric shock, never make or break connections while
power is present in the test circuit.
Model 2750
Front Panel
SENSE
INPUT
Ω 4 WIRE
HI
350V 1000V
!
PEAK PEAK
LO
500V
PEAK
INPUT
F R
FRONT/REAR
CAT I AMPS
3A, 250V
Model 2750 Multimeter/Switch System User's Manual
Figure 3-4.
"Voltage measurements (DCV
Current
Source