Health & Safety
New, low cost noise monitoring terminal
May 07 2018
Svantek UK has launched the SV 307 integrated Noise Monitoring Terminal (NMT) designed for permanent noise monitoring applications. The small, lightweight system features a new Class 1 MEMs microphone for major cost benefits and sleeve type case for easy mounting.
Protected by an IP66-rated waterproof, removable casing, Svantek’s SV 307 integrates a Class 1 (IEC 61672) sound level meter with 3G modem for fast data transfer over the internet to PC with standard connectivity. Offering optional airport and community characteristics, a Class 1 MEMs microphone with lifetime warranty enables wide frequency range up to 20 KHz with the measurement data stored on a microSD card.
The energy efficient NMT incorporates an innovative patented system check with an inbuilt reference sound source producing level of 100dB at 1 KHz. As an option, the SV 307 can perform real-time frequency analysis in 1/1 and 1/3 octave bands and save results with the time history data. In addition, it can record the audio signal as standard WAVE files for noise source recognition.
A large colour OLED display and 10 push buttons enable easy configuration of the NMT in the field removing the need for an external handset or reconnection to a PC.
The large windscreen is highly efficient in reduction of a wind noise effects even at high wind speeds. Metal spikes protect the NMT from birds.
The SV 307’s waterproof casing can be easily mounted to a post and removed for quick access to the user interface. It also offers protection against extreme weather conditions whilst fulfilling Class 1 accuracy.
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 for continuous operation in the field.
Svantek’s 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.
The SV 307 is available with a number of optional functions including an accurate GPS hardware module providing information on the localisation as well as measurement time synchronisation.
The SvanPC++ Environmental Measurements feature is designed for post processing of data recorded by the NMT. It offers a powerful calculator and an automated noise event finder for noise source identification.
The option for 1/3 octave real-time analysis allows measurement of the noise frequency contents and is used for verification of noise sources in the environment. Plus time domain signal recording to WAVE format works during measurement and is logged in parallel to a time history. Once downloaded to PC it can be played back.
The SV 307 is supplied with a factory calibration certificate and 36-month warranty card.
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