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Keithley
Multimeter
2010
Keithley 2010 Service Manual
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T
able 4-9
Ω
2/
Ω
4 r
eference switc
hing
Range
U133 pin 8
U133 pin 1
Q123
Q125
Q124
Q126
10
Ω
100
Ω
1k
Ω
10k
Ω
100k
Ω
1M
Ω
10M
Ω
100M
Ω
OFF
ON
ON
OFF
ON
ON
OFF
OFF
ON
OFF
OFF
ON
OFF
OFF
ON
ON
ON
ON
ON
OFF
OFF
OFF
OFF
OFF
ON
ON
ON
OFF
OFF
OFF
OFF
OFF
OFF
OFF
OFF
ON
ON
ON
ON
ON
OFF
OFF
OFF
ON
ON
ON
ON
ON
Dry
circuit
10
Ω
100
Ω
ON
OFF
OFF
ON
ON
OFF
ON
OFF
OFF
ON
OFF
ON
T
able 4-10
DCA signal switching
Range
K103
Q165
Q164
10mA
100mA
1A
3A
ON
ON
OFF
OFF
ON
OFF
OFF
OFF
OFF
ON
ON
ON
T
able 4-11
A
CA signal switching
Range
K103
U105
pin 16
U105
pin 1
U111
pin 16
U105
pin 8
U103
pin 16
U103
pin 1
1A
3A
OFF
OFF
ON
ON
ON
ON
OFF
ON
OFF
OFF
OFF
OFF
OFF
OFF
Troubleshooting
4-15
69
71
Table of Contents
Default Chapter
5
Safety Precautions
5
Table of Contents
7
Introduction
15
Verification Test Requirements
15
Environmental Conditions
15
Warm-Up Period
15
Performance Verification
15
Line Power
16
Recommended Test Equipment
16
Verification Limits
17
Restoring Factory Defaults
17
Performing the Verification Test Procedures
18
Test Summary
18
Test Considerations
18
1 Performance Verification
19
Verifying DC Voltage
19
Figure 1-1 Connections for DC Volts Verification
19
Table 1-2 DCV Reading Limits
19
Verifying AC Voltage
20
Figure 1-2 Connections for AC Volts Verification
20
Table 1-3 ACV Reading Limits
20
Verifying DC Current
21
Figure 1-3 Connections for DC Current Verification
21
Table 1-4 DCI Limits
21
Verifying AC Current
22
Figure 1-4 Connections for AC Current Verification
22
Table 1-5 ACI Limits
22
Verifying Resistance
23
Figure 1-5 Connections for Resistance Verification (10Ω-10MΩ Ranges)
23
Figure 1-6 Connections for Resistance Verification (100MΩ Range)
24
Verifying Temperature
25
Thermocouple Temperature
25
RTD Temperature
26
Verifying Frequency
27
Verifying Ratio
27
Figure 1-7 Connections for Frequency Verification
27
Figure 1-8 Verifying Ratio
27
2 Calibration
28
Introduction
29
Environmental Conditions
29
Warm-Up Period
29
Line Power
29
Calibration Considerations
30
Calibration Code
30
Front Panel Code
30
Remote Command Code
31
Comprehensive Calibration
31
Calibration Cycle
31
Recommended Equipment
32
Aborting Calibration
32
Front Panel Calibration
33
Preparing the Model 2010 for Calibration
33
Front Panel Short and Open Calibration
34
Figure 2-1 Low-Thermal Short Connections
34
DC Volts Calibration
35
Resistance Calibration
36
DC Current Calibration
37
AC Voltage Calibration
38
Figure 2-4 Connections for AC Volts Calibration
38
AC Current Calibration
39
Setting Calibration Dates
39
Remote Calibration
40
Preparing the Model 2010 for Calibration
41
Short and Open Calibration
41
DC Volts Calibration
42
Table 2-8 DC Voltage Calibration Programming Steps
42
Resistance Calibration
43
DC Current Calibration
44
Table 2-10 DC Current Calibration Programming Steps
44
AC Voltage Calibration
45
AC Current Calibration
45
Programming Calibration Dates
46
Saving Calibration Constants
46
Locking out Calibration
46
Manufacturing Calibration
47
Firmware Revision Level
47
Recommended Test Equipment
47
Test Equipment Connections
48
Unlocking Manufacturing Calibration
49
Calibration for Firmware Revision A14 and Higher
49
Table 2-14 1V, 10Hz Frequency Errors
50
Calibration for Firmware Revision A13 and Lower
51
3 Routine Maintenance
53
Introduction
54
Setting the Line Voltage and Replacing the Line Fuse
54
Figure 3-1 Power Module
54
Replacing the AMPS Fuse
55
Table 3-1 Power Line Fuse
55
4 Troubleshooting
56
Introduction
57
Repair Considerations
57
Power-On Self-Test
57
Front Panel Tests
58
KEY Test
58
DISP Test
58
Principles of Operation
59
Power Supply
59
Figure 4-1 Power Supply Block Diagram
59
Figure 4-2 Digital Circuitry Block Diagram
59
Figure 4-3 Analog Circuitry Block Diagram
59
Table 4-1 Power Supply Components
59
Display Board
61
Digital Circuitry
61
Analog Circuitry
63
Troubleshooting
65
Display Board Checks
65
Table 4-2 Display Board Checks
65
Power Supply Checks
66
Table 4-3 Power Supply Checks
66
Digital Circuitry Checks
67
Analog Signal Switching States
68
Table 4-9 Ω2/Ω4 Reference Switching
70
Table 4-12 DCV Signal Multiplexing and Gain
71
Table 4-15 Ω2 Signal Multiplexing and Gain
72
No Comm Link Error
73
5 Disassembly
74
Introduction
75
Handling and Cleaning
75
Handling PC Boards
75
Solder Repairs
75
Static Sensitive Devices
76
Assembly Drawings
76
Case Cover Removal
77
Changing Trigger Link Lines
77
Motherboard Removal
78
Front Panel Disassembly
79
Main CPU Firmware Replacement
80
Removing Power Components
81
Power Transformer Removal
81
Power Module Removal
81
Instrument Re-Assembly
82
6 Replaceable Parts
87
Introduction
88
Parts Lists
88
Ordering Information
88
Factory Service
88
Component Layouts
88
Table 6-1 Mother Board Parts List
89
Table 6-2 Display Board Parts List
96
Table 6-4 Mechanical Parts List
97
Remote Interface
104
Specifications
105
Accuracy Calculations
105
Calculating DC Characteristics Accuracy
105
Calculating AC Characteristics Accuracy
105
Additional Derating Factors
106
Calibration Command Reference
108
Introduction
108
Command Summary
108
Miscellaneous Calibration Commands
110
DC Calibration Commands
114
AC Calibration Commands
118
Manufacturing Calibration Commands
120
Remote Error Reporting
120
Error Summary
121
Error Queue
123
Status Byte EAV (Error Available) Bit
123
Generating an SRQ on Error
123
Detecting Calibration Step Completion
123
Using the *OPC? Query
123
Using the *OPC Command
124
Generating an SRQ on Calibration Complete
124
Calibration Program
125
Introduction
126
Computer Hardware Requirements
126
Software Requirements
126
Calibration Equipment
126
General Program Instructions
127
Index
131
Service Form
133
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Keithley 2010 Specifications
General
Brand
Keithley
Model
2010
Category
Multimeter
Language
English
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