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A20

Although it is necessary to measure a system synchronized to the reference channel in order to obtain

accurate measurements, channel 4 can be used to measure a different system than channels 1 through 3 .

Two-system, two-circuit measurement

Example of 2-system measurement

Used for separate

systems

HIOKI PQ3198A961-02

Table of Contents

Default Chapter3
- Table of Contents3
- Introduction7
- Confirming Package Contents10
- Safety Notes12
- Usage Notes13
Chapter 1 Overview21
- Procedure for Investigating Power Supply Quality21
- Product Overview25
- Features26
- Measurement Flowchart27
  - Start and Stop Recording28
Chapter 2 Names and Functions of Parts Basic Operations & Screens29
- Names and Functions of Parts29
- Basic Operations33
- Display Items and Screen Types34
Chapter 3 Measurement Preparations43
- Preparation Flowchart43
- Initial Instrument Preparations44
- Pre-Operation Inspection48
- Connecting the AC Adapter49
- Inserting (Removing) an SD Memory Card49
- Connecting the Voltage Cords51
- Connecting the Current Sensors52
- Turning the Power on and off (Setting the Default Language)54
Chapter 4 Configuring the57
- Screen) and Wiring57
- Warm-Up and Zero-Adjust Operation57
- Setting the Clock58
- Configuring the Connection Mode and Current Sensors59
- Connection Diagram61
- Setting the Vector Area (Tolerance Level)65
- Connecting to the Lines to be Measured (Preparing for Current Measurement)66
- Verifying Correct Wiring (Connection Check)70
- Quick Setup72
- Verifying Settings and Starting Recording75
- Using the Instrument During a Power Outage76
Chapter 5 Changing Settings (as Necessary)77
- Changing Measurement Conditions77
- Changing the Recording Settings81
- Changing the Measurement Period84
- Changing Hardware Settings87
- Changing LAN Settings90
- Changing Event Settings91
- Initializing the Instrument (System Reset)98
- Factory Settings99
Chapter 6 Monitoring Instantaneous Values (VIEW Screen)101
- Using the VIEW Screen101
- Displaying Instantaneous Waveforms102
- Displaying Phase Relationships ([VECTOR] Screen)106
- Displaying Harmonics109
  - Displaying Harmonics as a Bar Graph109
  - Displaying Harmonics as a List112
- Displaying Measured Values Numerically (DMM Screen)115
Chapter 7 Monitoring117
- Fluctuations in117
- Measured Values117
- Using the [TIME PLOT] Screen119
- Displaying Trends120
- Displaying Detailed Trends127
  - Displaying a Detailed Trend Graph for each TIME PLOT Interval127
- Displaying Harmonic Trends133
- Displaying Flicker Values in Graph and List Form137
Chapter 8 Checking Events (EVENT Screen)145
- Using the EVENT Screen146
- Displaying the Event List147
- Analyzing the Measurement Line Status When Events Occur151
- Analyzing Transient Waveforms153
- Viewing High-Order Harmonic Waveforms156
- Checking Fluctuation Data159
Chapter 9 Data Saving and File Operations (SYSTEM-MEMORY Screen)163
- MEMORY] Screen163
- Formatting SD Memory Cards166
- Save Operation and File Structure167
- Saving, Display and Deleting Measurement Data169
  - Saving, Displaying, and Deleting Screen Copies172
  - Saving and Deleting Settings Files (Settings Data)173
- Loading Settings Files (Settings Data)174
- File and Folder Names174
  - Changing File and Folder Names174
Chapter 10 Analyzing Data Using the Application (PQ ONE)175
- Application Functionality175
- Installation176
  - Installation Procedure177
Chapter 11 Connecting External Devices179
- Using the External Control Terminal179
Chapter 12 Operation with a Computer183
- Downloading Measurement Data Using the USB Interface184
- Control and Measurement Via Ethernet ("LAN") Interface185
  - LAN Settings and Network Environment Configuration186
  - Instrument Connection188
- Remote Control of the Instrument by Internet Browser190
  - Connecting to the Instrument190
  - Operating Procedure191
- Downloading Recorded Data to Computer193
Chapter 13 Specifications197
- General Specifications197
- Input Specifications/Output Specifications/Measurement Specifications198
- Screen Specifications220
- Event Specifications232
- GPS Time Synchronization Function233
- Interface Specification234
- Other Functions236
- Calculation Formula237
- Range Breakdown and Combination Accuracy250
Chapter 14 Maintenance and Service255
- Cleaning255
- Trouble Shooting256
- Error Indication259
- Disposing of the Instrument262
Appendix265
Appendix 1 Fundamental Measurement Items265
Appendix 2 Explanation of Power Supply Quality Parameters and Events266
Appendix 3 Event Detection Methods269
Appendix 4 Recording TIME PLOT Data and Event Waveforms276
Appendix 5 Detailed Explanation of IEC Flicker and ΔV10 Flicker280
Appendix 6 Making Effective Use of Channel 4283
Appendix 7 3-Phase 3-Wire Measurement286
Appendix 8 Method for Calculating Active Power Accuracy288
Appendix 9 Terminology289
- Index297

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