Keysight Technologies 34420A Manuals

Keysight Technologies 34420A Manuals

Manuals and User Guides for Keysight Technologies 34420A. We have 1 Keysight Technologies 34420A manual available for free PDF download: Service Manual

Keysight Technologies 34420A Service Manual

Keysight Technologies 34420A Service Manual (189 pages)

Nano Volt/ Micro Ohm Meter

Brand: Keysight Technologies | Category: Measuring Instruments | Size: 6 MB

Table of Contents

Safety Symbols
3
Safety Considerations
4
Environmental Conditions
5
Waste Electrical and Electronic Equipment (WEEE) Directive 2002/96/EC
6
- Product Category
  6
- Sales and Technical Support
  6
- The Front-Panel at a Glance
  8
- The Front-Panel Menu at a Glance
  9
- Display Annunciators
  11
- The Rear Panel at a Glance
  12
- In this Book
  13
- Table of Contents
  15
Quick Start
26
- To Prepare the Meter for Use
  27
- If the Meter Does Not Turn on
  28
- To Adjust the Carrying Handle
  30
- To Make Input Connections
  31
- To Measure Voltage
  33
- To Measure Resistance
  34
- To Measure Temperature with Thermistors
  35
- To Measure Temperature with Rtds
  36
- To Measure Temperature with Thermocouples
  37
- To Select a Range
  38
- To Set the Number of Digits
  39
- To Set the Integration Time
  40
- Front-Panel Display Formats
  41
- To Rack Mount the Meter
  42
Front-Panel Operation
46
- Front-Panel Menu Reference
  47
- A Front-Panel Menu Tutorial
  51
- To Select an Input Channel
  60
- To Select a Range
  61
- To Set or Change the Number of Digits
  62
- To Set the Integration Time
  63
- To Trigger the Meter
  64
- Null (Relative) Operation
  65
- To Use Math (Stats)
  66
- To Set the Number of Samples
  68
- Chart Output (Analog Output)
  69
- To Unsecure the Meter for Calibration
  70
Calibration Procedures
75
- Keysight Technologies Calibration Services
  75
- Recommended Test Equipment
  77
- Test Considerations
  78
- Performance Verification Tests
  79
  - Self-Test
    79
  - Quick Performance Check
    80
  - Performance Verification Tests
    80
- Zero Offset Verification
  81
  - Zero Offset Verification Procedure
    81
  - Zero Offset Verification Procedure
    82
- Gain Verification
  84
  - Gain Verification Procedure
    84
  - Table 3-1 Table
    84
  - Table 3-3 Table
    85
- MV and 10 MV Gain Verification (Optional)
  86
- Injected Current Verification (Optional)
  88
  - Injected Current Verification Procedure
    88
- Chart Output Verification (Optional)
  89
  - Chart Output Verification Procedure
    89
- Calibration Security Code
  91
  - To Unsecure the Meter Without the Security Code
    92
- Calibration Count
  94
- Calibration Message
  95
- Calibration Procedure
  96
- Aborting a Calibration in Progress
  97
- Zero Calibration
  98
  - Zero Calibration Procedure
    98
- Gain Calibration
  99
  - Gain Adjustment Considerations
    99
  - Gain Calibration Procedure
    99
  - Table 3-7 Table
    100
  - Table 4-2 Table
    100
  - Gain Verification Procedure
    100
  - Gain Calibration Procedure
    100
- Injected Current Calibration (Optional)
  101
- Internal Temperature Reference Calibration (Optional)
  103
- Chart Output Calibration (Optional)
  104
- Error Messages
  105
- Calibration Error Messages
  107
Theory of Operation
110
- Block Diagram
  110
- Input and Protection
  112
- Function Switching
  114
- DC Amplifier
  115
- Amplifier Gain
  115
- Ohms Current Source
  117
- 2-Wire or 4-Wire Resistance Measurements
  117
- A-To-D Converter
  120
- Configuration Data Shift Register
  122
  - Injected Current Compensation
    122
  - Chart Recorder Output
    122
- Floating Logic
  123
- Earth-Referenced Logic
  126
- Power Supplies
  127
- Front Panel
  128
Service
129
- Operating Checklist
  130
- Service Operating Checklist
  130
- Types of Service Available
  131
- Repackaging for Shipment
  133
- Electrostatic Discharge (ESD) Precautions
  134
- Surface Mount Repair
  135
- To Replace the Power-Line Fuse
  136
- Input Connector
  137
- Cleaning the Connector Contacts
  138
- Troubleshooting Hints
  139
- Self-Test Procedures
  141
  - Power-On Self-Test
    141
  - Complete Self-Test
    141
  - Performing Individual Tests
    141
Replaceable Parts
145
- To Order Replace Parts
  146
- Backdating and Part Changes
  146
- Input Connector Replaceable Parts
  147
- 34420-66501 Main PC Assembly
  148
- 34420-66502 Display and Keyboard PC Assembly
  164
- 34420A Mainframe
  166
- Manufacturer's List
  167
Backdating
169
Schematics
171
- Mechanical Disassembly
  172
- 34420-66501 Component Locator
  173
- 34420-66502 Component Locator
  174
- Block Diagram
  175
- Input and Protection Schematic
  176
- Function Switching Schematic
  177
- DC Amplifier Schematic
  178
- Ohms Current Source Schematic
  179
- A/D Converter Schematic
  180
- Configuration Data Shift Registers Schematic
  181
- Floating Logic Schematic
  182
- Earth Referenced Logic Schematic
  183
- Power Supply Schematic
  184
- Display and Keyboard Schematic
  185
Characteristics and Specifications
187

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