SV 215
ACOUSTIC INDOOR MONITORING
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OVERVIEW
The SV 215 is an acoustic monitoring case dedicated for the indoor use.
The main applications include the residential area indoor noise
monitoring, the audio performances monitoring
and many other cases when a justification of the annoying noise has to
be measuredand identified.
The main feature of this set is the long term continuous sound level
logging (Leq and optional 1/3 octave levels) with a unique capability of
the simultaneous Audio
Events Recording (AER). The AER is essential for identification of the
related sound source by the playback.
The AER trigger mode can be set up as manual (audio recording is started
by radio remote control, switchable on up to 50-meters distance) or
automatic (audio is recorded when
measured Leq is, for example, above certain level).
The AER time is user programmable as well as the sampling frequency
which can be selected to 12 kHz, 24 kHz or 48 kHz (12 kHz sampling rate
provides lower quality audio signal but
allows the longer audio recording, whereas 48 kHz sampling frequency
provides excellent audio signal quality but the recording time is trice
reduced comparing to 12 kHz recording
mode). The AER function also provides the pre-trigger recording whose
period depends on the selected sampling rate and it is 4 seconds in case
of 12 kHz, 2 seconds in case of 24 kHz
and 1 second in case of 48 kHz.
The logger file, which contains time-history results and audio-events
data, is recorded to the USB Flash Disk (“Memory Stick”) and can be
verified and played back with SvanPC+
software. Taking into account the very big capacity of available USB
memory sticks, the logging capabilities are almost unlimited.
The SV 215 box is a hard case with an internal foam, manual trigger
remote control and locking capabilities. System can be equipped with the
SVAN 957 or SVAN 959 instrument.
The microphone and preamplifier are mounted on the top of the case cover
by means of the SA 08 “goose neck”. The external trigger LED indicator
is also exposed on the top
of the case to verify manual triggering mode. System is powered from the
internal batteries of the instrument (SVAN 957/9) or external SA 15
AC/DC power supply (wall adapter
for the long term monitoring). The SV 30A calibrator and SA 22
windscreen are the optional equipment which fits into the SV 215
monitoring case.
Main functions
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Audio Events Recording function with remote manual trigger |
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Noise source identification thanks to AER |
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Dynamic range 110 dB |
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USB Memory Stick providing almost unlimited logging capacity |
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Type 1, sound level measurements meeting IEC 61672:2002 |
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Three parallel independent profiles |
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1/1 and 1/3 octave real-time analysis |
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Time-domain signal recording |
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Advanced automatic trigger function |
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Integration time programmable up to 24 h |
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Case with locking capabilities |
PICTURE
Click thumbnail photo to display enlarged
image
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SV 215 Acoustic Indoor Monitoring Cases
