Keithley 2750 Service Manual

4-18 Troubleshooting Model 2750 Multimeter/Switch System Service Manual
Tab le 4- 7
2 signal switching
Range Q101 Q102 Q151 Q150 Q122 Q135 Q114 Q136
10
100
1k
10k
100k
1M
10M
100M
ON
ON
ON
ON
ON
ON
ON
ON
ON
ON
ON
ON
ON
ON
ON
ON
OFF
OFF
OFF
OFF
OFF
OFF
OFF
OFF
OFF
OFF
OFF
OFF
OFF
OFF
OFF
OFF
OFF
OFF
OFF
OFF
OFF
OFF
OFF
OFF
OFF
OFF
OFF
OFF
OFF
OFF
OFF
OFF
OFF
OFF
OFF
OFF
OFF
OFF
OFF
OFF
OFF
OFF
OFF
OFF
OFF
OFF
OFF
OFF
Range Q109 K101* K102* Q113 Q104 Q108 Q106 Q148
10
100
1k
10k
100k
1M
10M
100M
OFF
OFF
OFF
OFF
OFF
OFF
ON
ON
SET
SET
SET
SET
SET
SET
SET
SET
RESET
RESET
RESET
RESET
RESET
RESET
RESET
RESET
OFF
OFF
OFF
OFF
OFF
OFF
OFF
OFF
ON
ON
ON
ON
ON
ON
ON
ON
OFF
OFF
OFF
OFF
OFF
OFF
OFF
OFF
OFF
OFF
OFF
OFF
OFF
OFF
OFF
OFF
ON
ON
ON
ON
ON
ON
ON
ON
*K101 set states: Pin 8 switched to Pin 7
Pin 3 switched to Pin 4
K102 reset states: Pin 8 switched to Pin 9
Pin 3 switched to Pin 2

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