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YOKOGAWA Manuals
Measuring Instruments
WT130
User manual
YOKOGAWA WT130 User Manual
Digital power meter
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Contents
Table of Contents
Bookmarks
Table of Contents
Foreword
Checking the Contents of the Package
Optional Equipment
Standard Accessories
Safety Precautions
How to Use this Manual
Conventions Used in this Manual
Table of Contents
Chapter 1 What this Instrument Can Do
System Configuration and Block Diagram
Functions
Digital Numbers/Characters, and Initial Menus
Chapter 2 Nomenclature, Keys and Displays
Front Panel, Rear Panel and Top View
Operation Keys and Function/Element Display
Displays in Case of Overrange/Error During Measurement
Chapter 3 Before Operation
Usage Precautions
Installing the Instrument
Wiring Precautions
Wiring the Measurement Circuit
Wiring the Measurement Circuit When Using External PT/CT
Wiring the Measurement Circuit When Using the External Sensor
Connecting the Power Supply
Turning the Power ON/OFF
Selecting the Wiring Method (for WT130)
Improving the Measurement Accuracy
Chapter 4 Setting Measurement Conditions
Selecting the Measurement Mode
Turning the Filter ON/OFF
Selecting the Measurement Range in Case of Direct Input
Setting the Scaling Value When External PT/CT Is Used
Selecting the Measurement Range and Setting the Scaling Value When External Sensor Is Used (Option)
Using the Averaging Function
Using the Four Arithmetical Operation Function (Applies to WT110/WT130 with ROM Version 2.01 or Later)
Computing the Crest Factor (Applies to WT110/WT130 with ROM Version 2.01 or Later)
Computing the Efficiency (Applies to WT130 with ROM Version 2.01 or Later)
Chapter 5 Measuring/Displaying Voltage, Current, Active Power, Frequency
Measuring/Displaying Voltage, Current and Active Power
Measuring/Displaying Frequency
Measuring/Displaying Four Arithmetic Operation Value, Crest Factor and Peak Value
Computing/Displaying Apparent Power, Reactive Power and Power Factor
Computing/Displaying the Phase Angle
Chapter 6 Computing/Displaying Apparent Power, Reactive Power, Power
Chapter 7 Integration
Integrator Functions
Setting Integration Mode and Integration Timer
Displaying Integrated Values
Precautions Regarding Use of Integrator Function
Chapter 8 Using the Harmonic Analysis Function (Optional)
Harmonic Analysis Function
Averaging Function
Setting the Element, PLL Source and Harmonic Distortion Method
Switching the Harmonic Analysis Function ON/OFF
Setting the Harmonic Order and Displaying the Results of Harmonic Analysis
Chapter 9 Storing/Recalling
Storing/Recalling Measured Data
Storing/Recalling Set-Up Parameters
Remote Control and D/A Output Connector (Optional)
Chapter 10 Using External In/Output
Remote Control (Optional)
D/A Output (Optional)
Comparator Function (Optional)
Setting the Comparator Mode (Optional)
Setting the Comparator Limit Values (Optional)
Comparator Display (Optional)
Turning the Comparator Function ON/OFF (Optional)
Outputting to an External Plotter/Printer
Chapter 11 GP-IB Interface
Using the GP-IB Interface
Responses to Interface Messages
Status Byte Format (before the IEEE488.2-1987 Standard)
Parameters and Error Codes
Setting the Address/Addressable Mode
Setting the Output Items
Commands (before the IEEE488.2-1987 Standard)
Chapter 12 RS-232-C Interface
Using the RS-232-C Interface
Connecting the Interface Cable
Setting the Mode, Handshaking Method, Data Format and Baud Rate
Format and Commands of Output Data (Brefore the IEEE488.2-1987 Standard)
Chapter 13 Other Useful Functions
Back-Up of Set-Up Parameters
Initializing Set-Up Parameters
Chapter 14 Adjustment, Calibration and Trouble-Shooting
Adjustments
Calibration
In Case of Malfunctioning
Error Codes and Corrective Actions
Replacing the Fuse (for WT130)
Chapter 15 Specifications
Input
Measurement Functions
Frequency Measurement
Communication
Computing Functions
Display Functions
Integrator Functions
Internal Memory Function
D/A Converter (Optional)
External Input (Optional)
Comparator Output (Optional)
External Control and Input Signals (in Combination with the D/A Converter and Comparator Options)
General Specifications
Total Harmonic Analysis Function (Optional)
External Dimensions
Appendix 1 Communication Commands
Appendix
Symbols Used in Syntax Descriptions
Messages
Commands
Responses
Data
Synchronization with the Controller
Command List
Aoutput Group
Communicate Group
Configure Group
Display Group
Harmonics Group
Integrate Group
MATH Group
Measure Group
Recall Group
Relay Group
Sample Group
Status Group
Store Group
Common Command Group
Overview of the Status Report
Status Byte
Standard Event Register
Extended Event Register
Output Queue and Error Queue
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Digital Power Meter
IM253401-01E
Yokogawa Electric Corporation
3rd Edition
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