Teledyne Everywhereyoulook T3PM1100, Руководство пользователя, Страница: 207 / 227

APPENDIX
207
Harmonic Measurement
Item Specifications
Measured item Voltage, Current, Power
Measured method Zero-cross simultaneous calculation method
Frequency range 10 Hz to 1.2 kHz.
FFT data length
4096 (Frequency must be 50Hz/60Hz and Update
Rate must be greater than or equal to 0.25S)
Sample rate, window
width, and upper limit of
Analysis orders*
Fundamental
Frequency Sample
rate Window
Width
upper limit
of Analysis
orders
45 Hz to 55 Hz f × 512 10 50
54 Hz to 66 Hz f x 512 12 50
FFT data length 1024
Sample rate, window
width, and upper limit of
Analysis orders*
Fundamental
Frequency Sample
rate Window
Width
upper limit
of Analysis
orders
10 Hz to 67 Hz f × 1024 1 50
67 Hz to 150 Hz f × 512 2 32
150 Hz to 300 Hz f × 256 4 16
300 Hz to 600 Hz f × 128 8 8
600 Hz to 1200 Hz f × 64 16 4
Accuracy
Frequency Voltage Current Power
10 Hz
≤
f < 45 Hz
0.15% of
reading 0.15% of
reading 0.35% of
reading
+ 0.35%
of range + 0.35%
of range + 0.50% of
range
45 Hz
≤
f < 440 Hz
0.15% of
reading 0.15% of
reading 0.25% of
reading
+ 0.35%
of range + 0.35%
of range + 0.50% of
range
440 Hz ≤ f <
1.2kHz
0.20% of
reading 0.20% of
reading 0.40% of
reading
+ 0.35%
of range + 0.35%
of range + 0.50% of
range