AcSoft
Svantek UK

SV 307A Outdoor Noise Monitoring Station

The SV 307A is a new version of the best-selling monitoring station, which has been equipped with the latest microphone in MEMS microphones technology covered by a life-time warranty.

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The SV 307A has been designed for the permanent noise monitoring in all weather conditions – it uses smart solutions to control the internal temperature and to detect any hardware failures. The new housing is made of strengthen material that protects internal electronics: class 1 sound level meter with 4G and GPS modems. The SV 307A measures noise levels, statistics and spectra together with audio files that can be triggered on level or time. The advanced triggering provides also possibility of the noise prediction to alarm the user before certain noise levels are reached. Moreover, with the SvanNET Service it is possible to connect to SV 307A to listen the live noise from the microphone! 

SV 307A Noise Monitoring Terminal Specification

Standards Class 1: IEC 61672-1:2013, Class 1: IEC 61260-1:2014
Weighting Filters A, B, C, Z, LF
Time Constants Slow, Fast, Impulse
RMS Detector Digital True RMS detector with Peak detection, resolution 0.1 dB
Microphone Patented MEMS based design microphone ST 30A in 1/2” housing
Preamplifier Integrated
Linear Operating Range 30 dBA RMS ÷ 128 dBA Peak (in accordance to IEC 61672)
Total Dynamic Measurement Range 23 dBA RMS ÷ 128 dBA Peak (typical from noise floor to the maximum level)
Internal Noise Level less than 23 dBA RMS
Dynamic Range >100 dB
Frequency Range 20 Hz ÷ 20 kHz
Meter Mode Results Elapsed time, Lxy, Lxeq (LEQ), Lxpeak (PEAK), Lxymax (MAX), Lxymin (MIN), LxyE (SEL),
2 x LR (ROLLING LEQ),10 x LN (LEQ STATISTICS), Lden, LEPd, Ltm3, Ltm5, GPS coordinates
Measurement Profiles Simultaneous measurement in three profiles with independent set of filters (x) and detectors (y)
Statistics Ln (L1-L99), complete histogram in meter mode and 1/1 & 1/3 octave analysis
Data Logger Logging of summary results (SR) and spectra data with interval step down to 1 s
and time history (TH) of selected parameters with shorter interval step down to 100 ms
1/1 Octave Analysis (option) Real-time analysis meeting Class 1 requirements of IEC 61260, center frequencies from 31.5 Hz to 16 kHz
1/3 Octave Analysis (option) Real-time analysis meeting Class 1 requirements of IEC 61260, centre frequencies from 20 Hz to 20 kHz
Audio Recording (option) Time domain records to wav file format on demand with selectable bandwidth and recording period
Ingress Protection Rating IP 64
GPS Time synchronization and localization
Remote system check Inbuilt reference sound source producing level of 100 dB at 1 kHz
Memory MicroSD card 32 GB (removable & upgradeable up to 128 GB)
Display & Keyboard OLED colour display 128 x 160 px and 10 push-button keyboard
Communication Interfaces USB 2.0
4G modem
RS 232 for meteo module or dust monitor
Power supply Li-Ion rechargeable battery (non-removable)
Operation time on battery (7.2 V / 10 Ah):
Modem off
Modem on
Solar Panel (not included)
AC power supply (included)
External DC source (not included)up to 6 days
up to 5 days (depends on modem usage)
MPPT voltage 17.0 V ÷ 20.0 V
Input 100 ÷ 240 VAC
output +15 VDC 2.5 A, IP 67 housing
voltage range 10.5 V ÷ 24 V
e.g. 12 V or 24 V accumulator
Environmental Conditions Temperature
Humidity
from -20 °C to 50 °C
up to 95 % RH, non-condensed
Dimensions 680 mm length; 80 mm diameter excluding windscreen (windscreen diameter 130 mm)
Weight Approx. 2.0 kg

*Continuous product development and innovation are the policy of our company. Therefore, we reserve the right to change the specifications without prior notice

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Applications

SV 307A

The SV 307A has been designed for the permanent noise monitoring in all weather conditions

Discover the full potential of our free Building Acoustics Assistant app. The app guides the user through the sound insulation measurement procedure in accordance with ISO 16283.
https://www.youtube.com/watch?v=wKoSDini2rU