Keithley 2461 Reference Manual

Model 2461
Interactive SourceMeter® Instrument Reference Manual Section 2: General oper
ation
2461-901-01 A/November 2015 2-7
Rear panel overview
The rear panel of the Model 2461 is shown below. Descriptions of the options follow the figure.
Figure 3: Model 2461 rear panel
Screw-terminal
connector
Provides connections for sense HI and sense LO, force HI and
force LO, guard, guard sense, and chassis ground.
Protective earth
(safety ground)
Ground screw for connection to protective earth (safety ground).
Connect to protective earth using recommended wire size (#16
AWG or larger).
Chassis ground
Ground screw for connections to chassis ground. This provides a
connection terminal to the equipment frame.
Interlock connector
Interlock connection for use with an interlock switch, such as a
test fixture. When properly connected, the safety interlock of the
Model 2461 places the outputs of the instrument in a safe state.
For details, see Using the interlock (on page 2-86).
Line fuse and
power receptacle
Connect the line cord to the power receptacle and a grounded AC
power outlet. The line fuse, located just above the power
receptacle, protects the power line input of the instrument. For
safety precautions and other details, see Power the instrument on
or off (on page 2-2) and Line fuse replacement (on page A-1).

Keithley 2461 Specifications

General

Maximum Current	7 A
Power	100 W
Resolution	6.5 digits
Source Measure Unit (SMU)	Yes
DC Voltage	100 V
Maximum Voltage	100 V
Display	5-inch capacitive touchscreen
Connectivity	USB, GPIB
Software	TSP
DC Current	7 A
Current Source Range	0 to 7 A
Voltage Measurement Range	100 mV to 100 V
Current Measurement Range	10 nA to 7 A
Voltage Measurement Resolution	100 nV