YOKOGAWA WT210 User Manual page 121

Integration Computation when the Measured Value Exceeds Measurement Limits
Integration When Current Input Is Small
Valid Frequency Range for Integration
Integrated Item
Active power
Current When the measurement mode is RMS
When the measurement mode is VOLTAGE MEAN
When the measurement mode is DC
IM 760401-01E
Integration Computation When the Measured Value Exceeds the Measurement Limit
When the instantaneous voltage or current of the sampled data exceeds approx. 333%
(approximately 666% if the crest factor is set to 6) of the measurement range, the value
is considered to be the value corresponding to approx. 333% (approximately 666% if the
crest factor is set to 6) for the purpose of integration.
When the measurement mode is RMS/VOLTAGE MEAN and the current input drops
below 0.5% (less than or equal to 1% if the crest factor is set to 6) of the rated range, the
ampere hour value is integrated as zero (0).
The sample rate is approximately 50 kHz. The voltage/current signal frequencies that
are valid for the integration are as follows.
6.4 Precautions Regarding Use of Integrator Function
Valid Frequency Range for Integration
DC to 25 kHz
DC, lower limit frequency determined by the
display update rate to 25 kHz
DC, lower limit frequency determined by the
display update rate to 25 kHz
DC to 25 kHz
6
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