1/1 octave and 1/3 octave digital filters
1/1 Octave 15 filters with centre frequencies from 1 Hz to 16 kHz (base 2).
meeting DIN 45651. IEC 1260 (Annex B) and ANSI S1.11-1986
for Type 1
1/3 Octave 45 filters with centre frequencies from 0.8 Hz to 20 kHz (base 2).
meeting DIN 45651. IEC 1260 (Annex B) and ANSI S1.11-1986
for Type 1
Antialiasing filter
Built-in antialiasing filter ensuring correct sampling of the measured signal.
Pass band (-1 dB) 22.4 kHz
Stop band 27.1 kHz
Attenuation in the stop band > 70 dB.
Sampling frequency 48 kHz (internal only).
Analogue to digital converter 4 x 20 bit
Reference range High
Input attenuator accuracy 0.1 dB (for f = 1 kHz and T = +23°C)
Internal oscillator accuracy 0.01 % (for f = 1 kHz and T = +23°C)
Crosstalk between channels: < 80 dB @ 1 kHz
C.3.3 1/1 and 1/3 octave filters characteristics
1/1 Octave 15 filters with centre frequencies from 1 Hz to 16 kHz (base 2). meeting
DIN 45651, IEC 61260:1995 and ANSI S1.11-1986 for Class 1
SVAN 958A 1/1 octave filters characteristic
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