Appendix A Technical Specifications Measurement Specifications
PM130 PLUS Powermeter Series_Installation Operation and Manual 153
PT - external potential transformer ratio
CT - primary current rating of the external current transformer
FSV - voltage full scale
FSI - current full scale
Vf - fundamental voltage
If - fundamental current
NOTES
1. Accuracy is expressed as (percentage of reading + percentage of full scale) 1 digit. This does
not include inaccuracies introduced by the user's potential and current transformers. Accuracy
calculated at 1second average.
2. Specifications assume: voltage and current waveforms with THD 5% for kvar, kVA and PF, and
reference operating temperature 20C - 26C.
3. Measurement error is typically less than the maximum error indicated.
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