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3.5 Checking Measured Values

62

Table of Contents

Default Chapter5
- Table of Contents5
- Introduction9
- Verifying Package Contents10
- Safety Information12
- Measurement13
- Operating Precautions14
Chapter 1 Overview27
- Product Overview and Features27
  - Measurement28
  - Measurement29
- Names and Functions of Parts30
- Measurement31
- Measurement Process33
Appendix 11Measuring Contact Resistance34
- Specifications (P34
- Screen Organization and Operation Overview35
  - Compliant Resistance Measure- Ment36
- Checking the Measurement Target41
- Measurement42
Chapter 2 Measurement Preparations43
- Connecting the Power Cord43
Appendix 17Rack Mounting43
- Connecting Measurement Leads44
- Connecting Z2001 Temperature Sensor or Thermometer with Analog Output (When Using the TC or ΔT)45
  - Connecting the Z2001 Temperature Sensor45
  - Connecting an Analog Output Thermometer45
- Installing the Multiplexer Unit50
- Turning the Power on and off51
- Appendix 20Adjustment Procedure51
  - Pre-Operation Inspection53
Chapter 3 Basic Measurements55
- Checking the Measurement Target56
- Selecting the Measurement Range57
- Setting the Measurement Speed58
- Connecting Measurement Leads to the Measurement Target59
- Checking Measured Values60
Chapter 4 Customizing Measurement Conditions71
- Switching to Low-Power Resistance Measurement72
- Switching Measurement Currents (100 Mω to 100 Ω)74
- Zero Adjustment76
- Stabilizing Measured Values (Averaging Function)81
- Correcting for the Effects of Temperature (Temperature Correction (TC))83
- Correcting Measured Values and Displaying Physical Properties Other than Resistance Values (Scaling Function)85
- Changing the Number of Measured Value Digits89
- Compensating for Thermal EMF Offset (Offset Voltage Compensation - OVC)90
- Setting Pre-Measurement Delay92
- Checking for Poor or Improper Contact (Contact Check Function)96
- Improving Probe Contact (Contact Improver Function)98
- Maintaining Measurement Precision (Self-Calibration)100
- Increasing the Precision of the 100 MΩ Range (100 MΩ High-Precision Mode)104
Chapter 5 Judgment, Statistics105
- And Conversion105
- Functions105
- Judging Measured Values (Comparator Function)106
- Classifying Measurement Results (bin Measurement Function)116
- Performing Statistical Calculations on Measured Values119
  - Using Statistical Calculations120
  - Confirming, Printing, and Erasing Calculation Results122
- Performing Temperature Rise Test (Temperature Conversion Function (ΔT))124
Chapter 6 Saving and Loading Panels127
- Saving Measurement Conditions (Panel Save Function)128
- Loading Measurement Conditions (Panel Load Function)129
  - Preventing Loading of Zero-Adjustment Values130
- Changing Panel Names131
- Deleting Panel Data132
Chapter 7 System Settings133
- Disabling and Enabling Key Operations133
- Power Line Frequency Manual Setting137
- Adjusting Screen Contrast139
- Adjusting the Backlight140
- Setting the Clock141
- Initializing (Reset)142
  - Default Settings144
Chapter 8 Multiplexer147
- About the Multiplexer148
- Connector Type and Pinouts150
  - Connector Type and Pinouts151
  - About Multiplexer Wiring153
- Internal Circuitry154
  - Electrical Specifications155
- Multiplexer Settings156
- Zero Adjustment (When a Multiplexer Unit Has Been Installed)171
  - Canceling Zero-Adjustment172
- Performing the Multiplexer Unit Self-Test174
- Example Connections and Settings175
Chapter 9 D/A Output181
- Connecting D/A Output181
  - D/A Output Specifications182
Chapter 10 External Control (EXT I/O)183
- External Input/Output Connector and Signals184
- Timing Chart193
- Internal Circuitry210
  - Electrical Specifications212
  - Connection Examples213
- External I/O Settings214
- Checking External Control223
  - Performing an I/O Test (EXT I/O Test Function)223
- Supplied Connector Assembly225
Chapter 11 Communications227
- (USB/ RS-232C/ GP-IB Interface)227
Chapter 12 Printing (Using an RS-232C Printer)245
- Printing248
Chapter 13 Specifications257
- Instrument Specifications257
- Z3003 Multiplexer Unit285
Chapter 14 Maintenance and Service291
- Troubleshooting292
  - Q&A (Frequently Asked Questions)292
  - Error Displays and Remedies304
- Replacing the Measurement Circuit's Protective Fuse308
- Inspection and Repair309
- Disposing of the Instrument310
  - Removing the Lithium Battery310
Appendix313
Appendix 1 Block Diagram313
Appendix 2 Four-Terminal (Voltage-Drop) Method314
Appendix 3 DC and AC Measurement315
Appendix 4 Temperature Correction (TC) Function316
Appendix 5 Temperature Conversion (ΔT) Function318
Appendix 6 Zero Adjustment319
Appendix 7 Unstable Measured Values324
Appendix 8 Mitigating Noise331
Appendix 9 Effect of Thermal EMF335
- On a Printed Circuit Board337
Appendix 13Making Your Own Measurement341
- Leads, Making Connections to the Multiplexer341
Appendix 14Checking Measurement Faults344
Appendix 15Using the Instrument with a345
- Withstanding Voltage Tester345
Appendix 16Measurement Leads (Options)346
Appendix 18Outline Drawing349
Appendix 19Calibration350

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