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SV 307 Class 1 Noise Monitoring Station

The SV 307 noise monitoring station is an innovative station dedicated for permanent noise monitoring.

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The station integrates a class 1 sound level meter with 4G and GPS modems. The waterproof housing of SV 307 can be removed to get an access to the user interface with a colour display and keypad. The SV307 noise monitoring station is equipped with a patented MEMS microphone with a life-time warranty.

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 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 -10^oC 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

SV 307 Datasheet

Declaration of conformity