Keithley 2750 User Manual

Model 2750 Multimeter/Switch System User’s Manual Getting Started 1-7
Model 7706 Model 7707 Model 7708 Model 7709
2-pole operation
4-pole operation
1-pole operation
Measure volts
Measure amps
Measure ohms
Cold junction
for thermo-
couples
Relay type
1
Connector type
Configuration
2
Unique features
20 channels
10 channel pairs
N/A
300V Max
No
2/4-wire
Yes
Latching elec-
tromechanical
Mini screw
terminals
Multiplexer
16 digital out-
puts, 2 analog
outputs, one
counter,
totalizer
10 channels
5 channel pairs
N/A
300V
No
2/4-wire
No
Latching elec-
tromechanical
1 male DB-50
1 female DB-25
Multiplexer
32 digital
inputs/outputs
40 channels
20 channel pairs
N/A
300V Max
No
2/4-wire
Yes
Latching elec-
tromechanical
Oversized screw
terminals
Multiplexer
All DMM func-
tions except
amps
8 channels
4 channel pairs
N/A
300V Max
No
2/4-wire
No
Latching elec-
tromechanical
1 female DB-50
1 female DB-25
Matrix
6 × 8 matrix.
For system
channel opera-
tion, rows 1 and
2 connect to
DMM
1. Latching relays hold their open/close state after the Model 2750 is turned off. When turned on, all relays open after a few seconds.
2. All multiplexers can be configured as two independent multiplexers.
Table 1-1 (continued)
Model 77XX series switching modules
2750-900-01.book Page 7 Wednesday, August 3, 2011 7:56 AM

Keithley 2750 Specifications

General

Interface	GPIB, RS-232, Ethernet
Switching Speed	Up to 500 channels/second
Maximum Voltage	300V
Operating Temperature	0°C to 50°C
Measurement Functions	DCV, ACV, DCI, ACI, 2-wire Resistance, 4-wire Resistance, Frequency, Temperature
Resolution	6.5 digits
Current	1A
Maximum Current	1A