• 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 GENERAL FEATURES OF SV 971A
• Sound Level Meter in extremely small pocket size body
• Noise measurements meeting Class 1 IEC 61672-1:2013 accuracy
• Two overlapping wide measurement ranges
• 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
• Automated calibration start and save
• Free-field & diffuse-field measurements
• 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 SvanPC++ software
• 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
• 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