詳情：
All-in-one design for portable, mobile and permanent noise monitoring installationsClass 1 according to IEC 61672Real-time 1/1 or 1/3 octave analysis (option)Audio events recording (option)Removable housing protecting the system against harsh environmental conditions (IP65)Integrated remote system check for full system verificationIntegrated high speed 3G modemAutomatic time synchronization with GPS and localization as standardLarge windscreen against high-speed windIntelligent heater protecting microphone against humidityLow power consumption, integrated Li-Ion battery and direct connection for solar panelsWeb based system configuration with SvanNETCommunity & airport characteristics
The SV 307 is a new Noise Monitoring Terminal (NMT) 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. 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 SV307 can be removed to get an 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. | 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 ST30 in 1/2" housing | | Preamplifier | Integrated | | Linear Operating Range | 30 dBA RMS ÷ 126 dBA Peak (in accordance to IEC 61672) | | Total Dynamic Measurement Range | 20 dBA RMS ÷ 126 dBA Peak (typical from noise floor to the maximum level) | | Internal Noise Level | less than 20 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), 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 2 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 | 3G modem (included in SV 200_3G) | | Operation time on battery (8.2V / 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 |
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