AcSoft
Svantek UK

SV 307 Class 1 Noise Monitoring Station

The SV 307 is a new Noise Monitoring Station dedicated for permanent noise monitoring. The SV 307 integrates Class 1 sound level meter with a modem in the removable waterproof housing. The SV 307 is equipped with a new MEMS microphone with a life-time warranty. The measurement data is stored on the microSD card.

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The SV 307 is designed for permanent noise monitoring, it has been equipped with a patented double self-system check: an inbuilt reference sound source producing 100dB at 1 kHz plus real-time check based on reference microphone.

The waterproof housing of SV 307 can be removed to get access to the user interface with a colour display and keypad. The SV 307 has an internal Li-Ion battery and interface for connecting solar panels. A waterproof mains adapter for charging the battery and powering the station is also included.

SvanNET cloud service monitors the wireless communication, powering and access to the SV 307 data. The scope of the basic SvanNET can be extended with multipoint project management that offers data storage in the cloud, data sharing, advanced alarming and reporting features. SvanNET is an on-line solution which means it doesn’t require software installation and is accessible through a web browser. The responsive design enables use of SvanNET on various devices such as smartphones or tablets.

SV 307 Noise Monitoring Terminal Specification

Standards Class 1: IEC 61672-1:2013, Class 1: IEC 61260:2002
Weighting Filters A, B, C, Z, LF
RMS Detector Digital True RMS detector with Peak detection, resolution 0.1 dB
Time constants: Slow, Fast, Impulse
Microphone Patented MEMS design microphone ST30A 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
Frequency Range 20 Hz ÷ 20 kHz
Meter Mode Results Elapsed time, Lxy (SPL), Lxeq (LEQ), Lxpeak (PEAK), Lxymax (MAX), Lxymin (MIN),
Lxye (SEL), 2 x LR (ROLLING LEQ), 10 x LN (LEQ STATISTICS), Lden, LEPd, Ltm3, Ltm5
Simultaneous measurement in three profiles with independent set of filters (x) and detectors (y)
Statistics Ln (L1-L99), complete histogram in meter mode

Ln (L1-L99) statistics in 1/1 or 1/3 octaves (if option is active)

Data Logger logging of summary results with step from 1 s (auto-save function)

logging of time history with step from 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, center frequencies from 20 Hz to 20 kHz (full band), selectable weighting filter, detector linear
Audio Recording (option) Audio events recording during measurement, trigger or continuous mode, 12 / 24 / 48 kHz sampling rate, 16 or 24 bit, wav format
Ingress Protection Rating IP 65
Inputs Power supply LEMO 4-pin, extended I/O port LEMO 5-pin
Remote system check Inbuilt reference sound source producing level of 100 dB at 1 kHz
Memory Micro SD card 16 GB (removable)
Display & Keyboard OLED colour display 128 x 160 px and 10 push-button keyboard
Communication Interfaces USB, 3G modem
Power supply 4G modem (included in SV 307 4G)
Operation time on battery (7.2V / 10Ah)
Modem off up to 6 days
Modem on up to 5 days
Solar Panel (not included) MPPT voltage 17.0 V ÷ 20.0 V
AC power supply (included) – Input 100 ÷ 240 VAC, output +15 VDC 2.5 A, IP 67 housing
External DC source (not included) voltage range 10.5 V – 24 V
Environmental Conditions Temperature from -20 oC* to 50 oC

*Only with external powering otherwise -10oC to 50 oC

Humidity up to 95% RH, non-condensed
Dimensions 680 mm length; 80 mm diameter excluding windscreen; windscreen diameter 130 mm
Weight  Approx. 1.8 kg with batteries

*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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