Svantek SVAN 979 - Page 301

301
SVAN 979 User Manual - Appendixes
Range High
• ”A” weighting < 5,6 µV
RMS
(with digital noise compensation),
• ”C” weighting < 5,6 µV
RMS
. “”,
• ”Z” weighting < 5,6 µV
RMS
, “”.
Internal noise level for Vibration Measurements
Noise voltage measured on Range Low, both in Vibration Meter mode (with ST08 IEPE adapter and 50 Ω
input impedance) and Direct Vibration mode (with 50 Ω input impedance).
Range Low
• with the HP filter < 4 µV
RMS
• with the HP1 filter < 4 µV
RMS
• with the HP3 filter < 4 µV
RMS
• with the HP10 filter < 4 µV
RMS
• with the Wh filter < 0,5 µV
RMS
• with filter VelMF n/a
Range High
• with the HP filter < 35 µV
RMS
• with the HP1 filter < 35 µV
RMS
• with the HP3 filter < 35 µV
RMS
• with the HP10 filter < 35 µV
RMS
• with the Wh filter < 4,3 µV
RMS
• with filter VelMF n/a
Low-pass filters
8 eighth-order elliptic filters with the cut-off frequencies from 10 kHz to 78.125 Hz in the binary sequence.
Ripple in the pass band  0.1 dB.
Attenuation in the stop band > 100 dB.
1/1 Octave filters 15 filters with centre frequencies from 1 Hz to 16 kHz (base 10), meeting
IEC 61260-1:2014 standard for Class 1
16.0 kHz 1/1 octave filter