9330/9350 Advanced Power Meters
Measurements and Specifications
Measurement Specifications
†
(@50.0 Hz and 60.0 Hz @ 25ºC / 77ºF)
Parameter Accuracy ± (%rdg + %FS*)
Voltage 0.25% + 0.05%
Frequency 0.01%
Current 0.25% + 0.05%
kVA 0.5% + 0.1%
kVAR (>5% F.S.) 1.5% reading
kVAh 1.0% reading
kVARh 1.5% reading
Power Factor 1.5% reading
Total Harmonic Distortion (THD) 1.0% Full Scale
I4 Derivation 1.0% reading + 0.2% unbalanced
K Factor 5.0% Full Scale
† 50 VAC to 347 VAC +25%
* % Full scale voltage and current.
Display resolution meets or exceeds accuracy.
kW and kWh Measurements
Accuracy* Register Bounds
kW kWh
ANSI 12.20 Class 0.5 0.5% reading 0 to ± 3.3x10
7
0 to ± 10
38
IEC 687 Class 0.5 0.5% reading 0 to ± 3.3x10
7
0 to ± 10
38
* Accuracy specifications comply with IEC 687 Class 0.5 specification and ANSI 12.20 Class 0.5
at 25°C (77°F)
6
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