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TEK.COM/KEITHLEY-SOURCE-MEASURE-UNITS
DETERMINE WHICH KEITHLEY SMU
IS RIGHT FOR YOU
Keithley 24xx Standardand Graphical SMUs
Need help selecting the SMU that’s right for your needs?
Let these selector tables be your guide!
MODEL
Keithley 24xx Standard and Graphical SMUs
2400 2401 2410 2420 2440 2450 2460 2461 2470
Display VFD, 2line VFD, 2line VFD, 2line VFD, 2line VFD, 2line
Touchscreen
5 in. (12.7 cm)
Touchscreen
5 in. (12.7 cm)
Touchscreen
5 in. (12.7 cm)
Touchscreen
5 in. (12.7 cm)
Channels 1 1 1 1 1 1 1 1 1
Digits 6½ 6½ 6½ 6½ 6½ 6½ 6½ 6½ 6½
Quadrants of
Operation
4 4 4 4 4 4 4 4 4
Max Output Power 20 W 20 W 20 W 60 W 50 W 20 W 100 W
1000 W
Pulse,
100 W DC
20 W
SOURCE / MEASURE
I
min ±1 pA ±1 pA ±1 pA ±10 pA ±10 pA ±10 fA ±10 pA ±1 pA ±10 fA
max ±1A ±1A ±1A ±3A ±5A ±1A ±7A
±10A Pulse,
±7ADC
±1 A
V
min ±100nV ±100nV ±100nV ±100nV ±100nV ±10nV ±100nV ±100nV ±100nV
max ±200 V ±20 V ±1100 V ±60 V ±40 V ±200 V ±100 V ±100 V ±1100 V
Basic
Accuracy
I 0.025% 0.025% 0.025% 0.025% 0.025% 0.020% 0.020% 0.020% 0.020%
V 0.012% 0.012% 0.012% 0.012% 0.012% 0.012% 0.012% 0.012% 0.012%
GENERAL FEATURES
Digitizers No No No No No No No
Dual 18-bit
1MS/s
Digitizers
No
Reading Speed
2,000
rdgs/s
2,000
rdgs/s
2,000
rdgs/s
2,000
rdgs/s
2,000
rdgs/s
3,000 rdgs/s 3,000 rdgs/s
3,000 rdgs/s,
1MS/s with
Digitizer
3,000 rdgs/s
Programming
SCPI
3 3 3 3 3
3 Plus 2400
Emulation
3 3 3
TSP
3 3 3 3
TSP-Link No No No No No Yes Yes Yes Yes
Digital I/O Yes Yes Yes Yes Yes Yes Yes Yes Yes
Contact Check No No No No No No No Yes No
Computer Interface
IEEE-488
RS-232
IEEE-488
RS-232
IEEE-488
RS-232
IEEE-488
RS-232
IEEE-488
RS-232
USB 2.0
LAN/LXI 1.4
IEEE-488
USB 2.0
LAN/LXI 1.4
IEEE-488
USB 2.0
LAN/LXI 1.4
IEEE-488
USB 2.0
LAN/LXI 1.4
IEEE-488
Compliance CE, UL CE, UL CE CE CE
CE, NRTL
listed
CE, NRTL
listed
CE, NRTL
listed
CE, NRTL
listed