Svantek SV 971A, Руководство пользователя

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SV 971A User Manual
13
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Parallel Impulse , Fast and Slow detectors for the measurements with A , B , C , Z and LF
frequency filters
•
Two measurement ranges 25
dBA LEQ ÷ 123 dB Peak (
Low ) and 30
dBA LEQ ÷ 140 dB Peak
( High ).
•
1/1 Octave real-time analysis (option). Eleven 1/1-octave filters with center frequencies from
16.0 Hz to 16 kHz (meeting Class 1 requirements of IEC 61260-1:2014) available simultaneously
with three user definable profiles for broadband measurements (SLM and SEM), time history
logging and audio recording
•
1/3 Octave real-time analysis (option). Thirty-five 1/3-octave filters with center frequencies from
8 Hz to 20 kHz ( meeting Class 1 requirements of IEC 61260-1:2014) available simultaneously
with three user definable profiles for broadband measurements (SLM and SEM), time history
logging and audio recording
•
Audio signal recording (option), trigger and continuous mode, 12 kHz and 24 kHz sampling rate,
WAV format
•
Reverberation time RT60 analysis function (option) for 1/1 octave bands or 1/3 octave bands and
three total RMS levels ( A , C and Z weighted) in accordance with the ISO 3382 standard.
•
STIPA (speech
transmission index for public address systems)
measurements of electro-acoustic
and acoustic environments effects that affect the speech intelligibility
in the room acoustics and/or
public address systems .
1.2 G
ENERAL FEATURES OF
SV 971A
•
Sound Level Meter in extremely small pocket size body
•
Noise measurements meeting Class 1 IEC 61672-1:2013 accuracy
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Two overlapping wide measurement ranges
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1/1 & 1/3 octave real-time frequency analysis (option)
•
Dosimeter function for personal noise monitoring in the workplace (option)
•
Audio signal recording (option)
•
Reverberation time function (option)
•
Speech
transmission index
function (option)
•
Audio records on demand, created before or after measurement, added to a measurement file
•
Statistical analysis with up to 10 percentile values
•
Time-history with two logging step intervals
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Automated calibration start and save
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Free-field & diffuse-field measurements
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Integration measurement run time programmable up to 24 h
•
Wireless connectivity with low energy Long Range Bluetooth
®
Smart (4.2) interface
•
Setup editor available with Supervisor or + software
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Super contrast colour OLED display
•
Bluetooth
®
for remote control by the BA Assistant smartphone applications
•
Wide range of temperature operating conditions
•
Very handy, light weight and robust pocket size case
•
Easy and friendly user interface for quick start and stop
1.3 A
CCESSORIES INCLUDED
•
ACO 7152
prepolarised ½” condenser microphone with nominal sensitivity 32 mV/Pa
•
SV 18A microphone preamplifier
•
SC 158 USB type C to USB type A cable
•
SA 22 foam windscreen
•
batteries four AAA type