Omicron Lab CP AL1, Руководство пользователя

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Technical Data
3 Technical Data
Table 3-1:
Measurement functions
Table 3-2:
Input filters
Measurement Functions Specifications
Zoom FFT Real-time Zoom FFT with 50% overlapping, 93 bins
Frequency range: 10 Hz…20 kHz
Resolution: 0.73 Hz…187.5 Hz
Level RMS Units: Vrms (dBµ, dBV)
Resolution: 4 digits (V scale), 3 digits (dB scale)
Accuracy: ±1%
Bandwidth: 20 Hz…20 kHz
Distortion THD+N Bandwidth: 10 Hz…20 kHz
Resolution: 4 digits (% scale), 3 digits (dB scale)
Residual THD+N
Balanced: < –85 dB @ –10 dBµ…+20 dBµ
Unbalanced: < –74 dB @ 0 dBµ…+14 dBµ
Frequency Range: 10 Hz…20 kHz
Resolution: 4 digits
Accuracy: ±1%
Filter Characteristic Application
FLAT Flat frequency response
(no filtering) Default measurement setting
A-WTD A-weighting filter Measuring residual noise of the unit
under test according to IEC 61672
C-WTD C-weighting filter
according to IEC 61672 Special applications
HP400 High-pass filter 400 Hz
according to DIN 45045,
–120dB/dec Removes mains frequency (50/60 Hz)
components of the measurement
signal.