Keithley 2750 User Manual

3-14 Basic DMM Operation Model 2750 Multimeter/Switch System User’s Manual
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 See the previous discussion about crest factor in “Voltage measurements (DCV
and ACV),” page 3-8.
Connections
NOTE 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.
WARNING To prevent electric shock, never make or break connections while
power is present in the test circuit.
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.
Figure 3-4
DCI and ACI connections using front panel inputs
Caution: Maximum Input = 3A DC or RMS
Model 2750
Front Panel
Current
Source
3A, 250V
AMPS
!
F
500V
PEAK
FRONT/REAR
HI
INPUT
LO
SENSE
Ω 4 WIRE
INPUT
350V
PEAK
1000V
PEAK
R
CAT I
2750-900-01.book Page 14 Wednesday, August 3, 2011 7:56 AM

Keithley 2750 Specifications

General

Brand	Keithley
Model	2750
Category	Switch
Language	English