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YOKOGAWA WT310EH User Manual

YOKOGAWA WT310EH
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2-18
IM WT310E-01EN
2.8 Setting the Measurement Period
Procedure
Follow the procedure indicated by the thick lines in the following menu.
Select the measurement period.
(Display B)
1.
2.
3.
(Display C)
4.
5.
Confirm
the setting.
Close menu.
6.
Explanation
Measurement Period
The measurement period is determined by the input signal that is used as the reference (synchronization
source). The measurement period is set within the data update interval between the first point where the
sync source crosses the level-zero point (center of the amplitude) on a rising slope (or falling slope) and
the last point where the sync source crosses the level-zero point on a rising slope (or falling slope).
If there is not more than one rising or falling slope within the data update interval, the entire data
update interval is set as the measurement period.
Synchronization Source
Becausetheperiodsofinputsignalaredetectedfrombothvoltageandcurrentsignals,youcanset
thesynchronizationsourcetoavoltagesignal(VoLt)oracurrentsignal(Curr).Thedefaultsettingis
VoLtfortheWT310EandWT310EHandCurrfortheWT332E/WT333E.
• VoLt
Priority is given to the detection of the period of the voltage signal, and the voltage signal is used
as the synchronization source. The voltage signal of each element is used as the synchronization
source for the element. When the period of the voltage signal cannot be detected, the current signal
is used as the synchronization source. When the period of the current signal cannot be detected
either, the measurement period is set to the entire duration of the data update interval.
• Curr
Priority is given to the detection of the period of the current signal, and the current signal is used
as the synchronization source. The current signal of each element is used as the synchronization
source for the element. When the period of the current signal cannot be detected, the voltage signal
is used as the synchronization source. When the period of the voltage signal cannot be detected
either, the measurement period is set to the entire duration of the data update interval.
• oFF
Measurement is not performed in sync with the voltage or current signal. Instead, the measurement
period is set to the entire duration of the data update interval.
Note
• Themeasurementperiodfordeterminingthenumericdataofthepeakvoltageorpeakcurrent(peak
values) is always the entire span of the data update interval.
• Fordetailsaboutsettingthemeasurementperiod,seeappendix4.
• Whenthedataupdateinterval(seesection2.10)issettoAuto,themeasurementperiodisdeterminedby
the synchronization source set from the menu described in section 2.10.
• Forinformationaboutthemeasurementperiodformeasurementfunctionsusedinharmonicmeasurement
(option), see section 6.3.

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YOKOGAWA WT310EH Specifications

General IconGeneral
BrandYOKOGAWA
ModelWT310EH
CategoryMeasuring Instruments
LanguageEnglish

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