Svantek SV 104BIS, User Manual

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SV 104BIS User Manual
Table B.1.15. Header of the file from the logger
Word
number
Name Comment
0 0xnn0F
[0F, nn=header’s length]
1 BuffTSec logger time step - full seconds part
2 BuffTMilisec
logger time step - milliseconds part
3 LowestFreq the lowest 1/1 OCTAVE or 1/3 OCTAVE frequency (*100 Hz)
4 NOctTer number of 1/1 OCTAVE or 1/3 OCTAVE results
5 NOctTerTot number of TOTAL values
6..7 BuffLength logger length (bytes)
8..9 RecsInBuff number of records in the logger
10..11 RecsInObserv
number of records in the observation period equal to:
number of records in the number of records not saved
12..13 AudioRecords number of audio records in the logger
… … …
Note: The current logger time step in seconds can be obtained from the formulae:
T = Bu BuffTMillisec / 1000
Table B.1.16. Contents of the file from the logger
Word number Name Comment
0..(BuffLength/2-1) result#1, result#2, ... result#(BuffLength/2-1)
Table B.1.17. Main results (saved in Summary Results Record)
Word
number
Name Comment
0 0xnn07
[07, nn=block’s length]
1 0x0307
[used_profile, profile’s mask]
2 0xmm08
[08, mm=sub-
block’s length]
3..4 MeasureTime
time of the measurement
5 Result[1][1]
Lxpeak
1
value in the 1 st profile (*100 dB)
6 Result[1][2]
LxyE
23
value in the 1
st
profile (*100 dB)
7 Result[1][3]
maximal value (Lxymax
2
) in the 1
st
profile (*100 dB)
8 Result[1][4]
minimal value (Lxymin
2
) in the 1 st profile (*100 dB)
9 Result[1][5]
Lxy
2
value in the 1 st profile (*100 dB)