Your meter can measure and record:
•
Individual harmonics, including magnitude and phase angle
•
Interharmonics
•
Total even harmonic distortion (TEHD)
•
Total odd harmonic distortion (TOHD)
•
Total harmonic distortion (THD)
•
Total demand distortion (TDD)
•
K-factor
•
Crest factor
Min/max recording
Your meter records new minimum and maximum data every recording interval for a variety of
values.
•
Voltage and current
•
kW, kVAR and kVA
•
Power factor
•
Frequency
•
Voltage unbalance
Power quality measurements
Your meter monitors the voltage channels to detect and record power quality events.
Disturbance event recording
The meter measures and records:
•
Sag/swells: ITIC/CBEMA and SEMI curves
•
Transients: 20 µs or longer on any voltage channel
Power quality standards logging
The meter logs power quality standards data according to:
•
EN 50160, including Flicker
•
IEC 61000-4-30 Class A
•
IEEE 519
Advanced power quality features
The meter supports advanced power quality features:
•
Disturbance Direction Detection: The meter can capture sag/swell and transient
disturbances, analyze the information, and determine the direction of the disturbance relative
to the meter. Determining the source of a disturbance more quickly and accurately helps
prevent repeat occurrences and also helps to minimize facility downtime.
9810 series - User manual Measurements
7EN05-0390-08 248
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