YOKOGAWA WT310EH User Manual

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IM WT310E-01EN
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Index
Contents
Symbols and Notation Used in This Manual ..................................................................................... ii
EnteringValues ................................................................................................................................iv
Chapter 1 Features
1.1 Items That This Instrument Can Measure (Measurement functions) ............................... 1-1
1.2 Measurement Conditions ................................................................................................. 1-5
1.3 HoldingMeasuredValuesandPerformingSingleMeasurements ................................. 1-13
1.4 Measuring Power ........................................................................................................... 1-14
1.5 IntegratedPower(Watthour) ......................................................................................... 1-15
1.6 Harmonic Measurement (Option) ................................................................................... 1-17
1.7 Storing Measured Data and Saving and Loading Setup Parameters ............................. 1-18
1.8 CommunicationFunctions .............................................................................................. 1-19
1.9 Other Features ............................................................................................................... 1-20
Chapter 2 Measurement Conditions
2.1 Setting the Measurement Mode ....................................................................................... 2-1
2.2 Configuring the Wiring System Settings (WT332E/WT333E only) ................................... 2-3
2.3 SettingtheMeasurementRangeWhenUsingDirectInput .............................................. 2-4
2.4 SettingtheMeasurementRangesWhenUsinganExternalCurrentSensor(Option) ..... 2-9
2.5 SettingtheScalingFeatureWhenUsingaVTorCT ..................................................... 2-13
2.6 ConfiguringMeasurementRangeSkipping .................................................................... 2-16
2.7 Setting the Crest Factor ................................................................................................. 2-17
2.8 SettingtheMeasurementPeriod .................................................................................... 2-18
2.9 Configuring the Input Filters ........................................................................................... 2-19
2.10 Setting the Data Update Interval .................................................................................... 2-21
2.11 Setting Averaging ........................................................................................................... 2-23
Chapter 3 Holding Measured Values and Performing Single Measurements
3.1 HoldingMeasuredValues................................................................................................. 3-1
3.2 Performing Single Measurements .................................................................................... 3-2
Chapter 4 Measuring Power
4.1 DisplayingVoltages,Currents,andActivePowers ........................................................... 4-1
4.2 DisplayingApparentPowers,ReactivePowers,andPowerFactors ............................... 4-3
4.3 Displaying Phase Angles and Frequencies ...................................................................... 4-5
4.4 DisplayingPeakValues .................................................................................................... 4-7
4.5
DisplayingtheEfficiency(WT332E/WT333Eonly),CrestFactors,theResultsofComputations
UsingBasicArithmetic,andAverageActivePowers ................................................................. 4-8
4.6 Setting the MAX Hold Feature ........................................................................................ 4-15
4.7 Setting the Number of Displayed Digits .......................................................................... 4-16
Chapter 5 Integration
5.1 IntegrationFeature ........................................................................................................... 5-1
5.2 SettingtheIntegrationModeandTimer ........................................................................... 5-5
5.3 DisplayingIntegratedValues ............................................................................................ 5-6
5.4 NotesaboutUsingIntegration .......................................................................................... 5-9

YOKOGAWA WT310EH Specifications

General

Brand	YOKOGAWA
Model	WT310EH
Category	Measuring Instruments
Language	English