Keithley 2000 Repair Manual

Table 2-12
DCV signal multiplexing and gain
Range
Signal
(U163)
U129
pin 1
U129
pin 8
U129
pin 9
Gain
(U166)
100mV
1V
10V
100V
1000V
S4
S4
S4
S4
S4
OFF
OFF
ON
OFF
ON
OFF
ON
OFF
ON
OFF
ON
OFF
OFF
OFF
OFF
× 100
× 10
× 1
× 10
×1
Table 2-13
ACV and ACA signal multiplexing and gain
Range
Signal
(U163)
U129
pin 1
U129
pin 8
U129
pin 9
Gain
(U166)
All S3 ON OFF OFF ×1
Table 2-14
DCA signal multiplexing and gain
Range
Signal
(U163)
U129
pin 1
U129
pin 8
U129
pin 9
Gain
(U166)
10mA
100mA
1A
3A
S6
S6
S6
S6
OFF
OFF
OFF
OFF
OFF
OFF
OFF
ON
ON
ON
ON
OFF
×100
×100
×100
×10
Table 2-15
Ω 2 signal multiplexing and gain
Range
Signal
(U163)
U29 pin
1
U129
pin 8
U129
pin 9
Gain
(U166)
100Ω
1kΩ
10kΩ
100kΩ
1MΩ
10MΩ
100MΩ
S4
S4
S4
S4
S4
S4
S4
OFF
OFF
OFF
OFF
ON
ON
ON
OFF
ON
ON
ON
OFF
OFF
OFF
ON
OFF
OFF
OFF
OFF
OFF
OFF
×100
×10
×10
×10
×1
×1
×1
2-16 Troubleshooting

Keithley 2000 Specifications

General

Digits	6.5
DC Voltage Range	100 mV to 1000 V
AC Voltage Range	100 mV to 750 V
Resistance Range	100 Ω to 100 MΩ
Connectivity	IEEE-488 (GPIB)
Display Type	VFD