Keysight Technologies 34401A Manuals

Keysight Technologies 34401A Manuals

Manuals and User Guides for Keysight Technologies 34401A. We have 1 Keysight Technologies 34401A manual available for free PDF download: Service Manual

Keysight Technologies 34401A Service Manual

Keysight Technologies 34401A Service Manual (169 pages)

6 1/2 Digit Multimeter

Brand: Keysight Technologies | Category: Multimeter | Size: 26 MB

Table of Contents

Warranty
5
Safety Information
6
Safety Symbols
6
Overvoltage Protection
7
Protection Limits
7
Additional Notices
8
Waste Electrical and Electronic Equipment (WEEE) Directive 2002/96/EC
8
Declaration of Conformity
9
The Front Panel at a Glance
11
Display Annunciators
13
The Rear Panel at a Glance
14
In this Book
15
Table of Contents
16
Chapter 1 Specifications

20
- DC Characteristics
  21
- Accuracy Specifications
  21
- AC Characteristics
  23
- Frequency and Period Characteristics
  25
- General Information
  27
- Product Dimensions
  28
- To Calculate Total Measurement Error
  29
- Interpreting Multimeter Specifications
  31
- Number of Digits and Overrange
  31
- Transfer Accuracy
  33
- Temperature Coefficients
  33
- Configuring for Highest Accuracy Measurements
  34
Chapter 2 Quick Start

36
- To Prepare the Multimeter for Use
  38
- If the Multimeter Does Not Turn on
  39
- To Adjust the Carrying Handle
  41
- To Measure Voltage
  42
- To Measure Resistance
  42
- To Measure Current
  43
- To Measure Frequency (or Period)
  43
- To Test Continuity
  44
- To Check Diodes
  44
- To Select a Range
  45
- To Set the Resolution
  46
- To Make Null (Relative) Measurements
  47
- To Store Minimum and Maximum Readings
  48
- To Make Db Measurements
  49
- To Make Dbm Measurements
  50
- To Trigger the Multimeter
  51
- Using an External Trigger
  51
- To Make DCV:DCV Ratio Measurements
  52
- Front-Panel Display Formats
  53
- To Rack Mount the Multimeter
  54
Chapter 3 Menu Tutorial

56
- Front-Panel Menu Reference
  58
- A Front-Panel Menu Tutorial
  60
- Menu Examples
  62
Chapter 4 Calibration Procedures

68
- Agilent Calibration Services
  70
- Calibration Interval
  70
- Time Required for Calibration
  70
- Automating Calibration Procedures
  71
- Recommended Test Equipment
  72
- Test Considerations
  73
- Performance Verification Tests
  74
- Quick Performance Check
  75
- Zero Offset Verification
  76
- Gain Verification
  78
- Optional AC Performance Verification Tests
  81
- Calibration Security Code
  82
- Calibration Count
  84
- Calibration Message
  84
- Calibration Procedures
  85
- Aborting a Calibration in Progress
  85
- Zero Adjustment
  86
- Gain Adjustment
  88
- Valid Gain Adjustment Input Values
  89
- Gain Adjustment Procedure
  89
- Optional Gain Calibration Procedures
  91
- 1/100Th Scale AC Adjustment Procedure
  93
- Understanding the AC Signal Filter
  94
- Understanding Resolution
  95
- Error Messages
  98
- Calibration Error Messages
  99
Chapter 5 Theory of Operation

100
- Block Diagram
  102
- Front/Rear Selection
  103
- Function Switching
  104
- DC Amplifier
  105
- Ohms Current Source
  107
- AC Circuit
  108
- A-To-D Converter
  110
- Floating Logic
  112
- Earth-Referenced Logic
  114
- Power Supplies
  115
- Front Panel
  116
Chapter 6 Service

118
- Operating Checklist
  120
- Types of Service Available
  121
- Repackaging for Shipment
  122
- Electrostatic Discharge (ESD) Precautions
  123
- Surface Mount Repair
  123
- To Replace the Power-Line Fuse
  123
- To Replace the Current Input Fuses
  124
- To Connect Pass/Fail Output Signals
  124
- To Connect the Pass/Fail Output Signals
  124
- Installation Procedure
  125
- Troubleshooting Hints
  126
- Power Supply Problems
  127
- Self-Test Procedures
  129
- Power-On Self-Test
  129
- Self-Test Descriptions
  129
Chapter 7 Replaceable Parts

134
Chapter 8 Backdating

146
Chapter 9 Schematics

151
- Mechanical Disassembly
  153
- Component Locator Diagram - Main Board (34401-66501)
  155
- Component Locator Diagram - Front Panel (34401-66512)
  156
- Agilent 34401A Block Diagram
  157
- Front/Rear Selection Schematic
  158
- Function Switching Schematic
  159
- DC Amplifier and Ohms Schematic
  160
- AC Circuit Schematic
  161
- A/D Converter Schematic
  162
- Floating Logic Schematic
  163
- Earth-Referenced Logic Schematic
  164
- Power Supplies Schematic
  165

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