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Keithley 2750 Service Manual

Keithley 2750
179 pages
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Index
Disassembly 5-2
Performance Verification 1-2
Replaceable Parts 6-2
Routine Maintenance 3-2
troubleshooting 4-2
K
Key matrix 4-7
KEY test 4-3
L
limits
ACI, Model 2700 1-13
DCI, Model 2700 1-12
Plug-in module ACI, Model 7700 1-26
Plug-in module DCI, Model 7700 1-25
plug-in module resistance verification,
Model 7700 1-28
resistance verification, Model 2700 1-16,
1-18, 1-30
line fuse
replacing 3-2
Line power 1-3, 2-2
Line sync 4-8
line voltage
setting 3-2
M
Maintenance,Routine 3-1
Manufacturing calibration 2-20
Extender board preparation 2-20
front panel 2-21
Recommended test equipment 2-20
remote 2-22
Unlocking manufacturing calibration 2-21
measurement accuracy
optimizing A-4
measurement speed
optimizing A-5
Measuring function generator signal amplitude
2-21
Memory circuits 4-8
Microcontroller 4-7
Microprocessor 4-7
Model 7700 amps fuse 3-5
Model 7700 and 7706 calibration commands
B-16
Module slot control 4-8
Motherboard removal 5-4
Multiplexer and A/D converter 4-12
N
No comm link error 4-24
O
operation
principles 4-4
Ordering information 6-2
P
Parts lists 6-2
Performance Verification 1-1
power components
removing 5-5
Power module removal 5-6
Power module wire colors 5-7
Power supply 4-4
block diagram 4-4
Power supply checks 4-14
Power supply components 4-5
Power transformer removal 5-5
Power-on self-test 4-3
R
ratio and average
verifying, Model 7700 1-35
reading limit
ACV, Model 2700 1-11
calculating resistance 1-5
calculation, example 1-5
DCV, Model 2700 1-9
four-wire RTD temperature verification,
Model 2700 1-19
Model 7700 thermocouple temperature
verification 1-32
Plug-in module ACV, Model 7700 1-23
Plug-in module DCV, Model 7700 1-22
Plug-in module four-wire RTD
temperature verification, Model
7700 1-33
thermocouple temperature verification,
Model 2700 1-19
Recommended test equipment 1-4, 2-23
Remote calibration 2-14
AC current 2-19
AC voltage 2-18
command summary B-2
DC current 2-17
DC volts 2-15
Locking out calibration 2-19
preparing the Model 2700 2-14

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Keithley 2750 Specifications

General IconGeneral
InterfaceGPIB, RS-232, Ethernet
Switching SpeedUp to 500 channels/second
Maximum Voltage300V
Operating Temperature0°C to 50°C
Measurement FunctionsDCV, ACV, DCI, ACI, 2-wire Resistance, 4-wire Resistance, Frequency, Temperature
Resolution6.5 digits
Current1A
Maximum Current1A

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