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Noise Monitoring Station

Model No : SV200

It is a fully integrated solution for unattended noise monitoring applications featuring an internal web server for system configuration, live data streaming, data management and battery powered operation providing true flexibility for both short and long term measurements.

Features

  • 'All in one' design for portable, mobile and permanent noise monitoring installations
  • Real-time 1/1 or 1/3 octave analysis
  • Audio events recording
  • Rugged housing protecting the system against harsh environmental
  • conditions (IP66)
  • Integrated electrostatic actuator for full system verification
  • Class 1 according to IEC 61672
  • Integrated high speed 3G or Wi-Fi modem
  • Automatic time synchronization
  • Large windscreen against high-speed wind
  • Intelligent heater protecting microphone against humidity
  • Live audio & data streaming capabilities
  • Low power consumption, integrated Li-Ion battery and direct connection for solar panels
  • Highly reliable and secure data push and configuration pull communication protocol
  • Both, server and web based system configuration
  • Community & airport characteristics available simultaneously

Technical Specifications

Standards Class 1: IEC 61672-1:2002, Type 1: IEC 61260:2002
Weighting filters A, C , Z
Time constants Slow, Fast, Impulse
RMS Detector Digital True RMS detector with Peak detection, resolution 0.1 dB
Microphone Microtech Gefell MK 250, 50 mV/Pa, prepolarised 1/2” condenser microphone
Preamplifier Integrated
Linear operating range 25 dBA RMS ÷ 133 dBA Peak (in accordance to IEC 61672)
Total dynamic measurement range 15 dBA - 133 dBA (typical from noise floor to the maximum level)
Internal Noise Level less than 15 dBA RMS
Dynamic Range 115 dB
Frequency Range 3.5 Hz ÷ 20 kHz
Meter mode results SPL, Leq, SEL, Lden, Ltm3, Ltm5, LMax, LMin, LPeak Simultaneous measurement in three profiles with independent set of filters and detectors
Statistics Ln (L1-L99), complete histogram in meter mode and 1/1 & 1/3 octave analysis
Simultaneous measurement in three profiles with independent set of filters and detectors
1/1 Octave Analysis Real-time analysis meeting type 1 requirements of IEC 61260, centre frequencies from 3.15 Hz to 20 kHz (option)available simultaneously with three profiles for broadband measurements (SLM), time history logging and audio recording
1/3 Octave Analysis Real-time analysis meeting type 1 requirements of IEC 61260, centre frequencies from 3.15 Hz to 20 kHz (option)available simultaneously with three profiles for broadband measurements (SLM), time history logging and audio recording
Data Logger Logging of summary results, spectra and weather data with logging step down to 1 second and time history of selected parameters with short logging step down to 2 millisecond
Audio Events Recording Time domain records to wav file format on demand with selectable bandwidth and recording period
Audio Streaming (option) On-line transmission of audio signal over Internet (under development)

Technical Specifications - Basic Data

Ingress Protection Rating IP 66
Inputs Power supply LEMO 3-pin, extended I/O port LEMO 9-pin
Remote Calibration Built-in electrostatic actuator, triggered manually or in automated mode
Memory Micro SD card 16 GB (non-removable)
Display & Keyboard External 1.1" OLED colour display (option)
Keyboard 8 push buttons
Communication interfaces USB / Serial port (RS 232 with optional cable)
3G modem (included in SV 200_3G)
Wi-Fi / LAN module (included in SV 200_WiFi)
External trigger input 0-30V with pull-up 47kOhm at 3.3V
Power Supply Li-Ion rechargeable battery (non-removable) operation time > 48 hours (14.4 V / 2.9 Ah)
Solar Panel (not included) MPPT voltage 17.0 V ÷ 20.0 V
AC power supply (included) – Input 100-240VAC, output +24VDC 2.5A, IP66 housing
External DC source (not included) – voltage range 10.5V – 24V, e.g. 12V or 24V accumulator
Environmental Conditions Temperature from -30o C2 to 50o C
Humidity up to 100 % RH
Dimensions 700 mm length 70 mm diameter excluding windscreen (windscreen diameter 130 mm)
Weight Approx. 2.3 kg with batteries
Meter mode, time history logging step 1 second, 3G modem transmission 10 % of the measurement time
With external powering temperature range is from -30o C to 50o C

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Sound Level Meter with Wifi

Model No : CASTLE (Class-1 & Class-2)

Banking on the skills of our qualified team of professionals, we are involved in manufacturing and exporting Sound Level Meter with Wifi. Using the instruments could not be simpler. The simple user interface can easily be scrolled and selected to immediately display the information you need. The keypad also has a dedicated dB Range key, simply press and then selects your required range. It measures the noise of a person with the help of wifi.

Applicable Standards

  • IEC 61672-1:2013
  • IEC 61260-1:2014 (Where Octave Bands Fitted)
  • IEC 61252:1993 amendment 1:2000 (Where Exposure Fitted)

Microphone

  • Class 1: Type 1 Pre-Polarized ½” (13.2 mm) Electrets Condenser Microphone -27 dB ± 2 dB re 1V/Pa
  • Class 2: Type 2 Pre-Polarized ½” (13.2 mm) Electrets Condenser Microphone –32 dB ± 3 dB re 1V/Pa
  • Measurement Ranges: Linear Operating Range: 95dB
  • Noise Floor: Typical ’A’ Weighting <15 dB (A) RMS
  • 'C' Weighting <18 dB(C) RMS
  • 'Z' Weighting <18 dB(Z) RMS
  • Frequency Weightings: Measurement 1: A, C or Z, Measurement 2: A, C or Z
  • Frequency Range: 1 Hz - 20 kHz (electrical characteristics)
  • Class 1: 12.5 Hz - 20 kHz (including microphone)
  • Class 2: 12.5 Hz - 16 kHz (including microphone)
  • Time Weighting:
  • Measurement 1: Slow, Fast, Impulse
  • Measurement 2: Slow, Fast, Impulse
  • Display: 2.4” Full Color TFT 240x320 pixels
  • Dual Measurements: Simultaneous dual measurement with independent time and frequency weightings.

Measurement Parameters


dBAir Safety:
LSPL, LEQ, LMAX, LMAX, Peak, LEP’d, Exposure Points, Dose, Hearing Protector Calculator

dBAir Safety Octave:
LSPL, LEQ, LMAX, LMAX, Peak, LEP’d, Exposure Points, Dose, Hearing Protector Calculator
1/1 or 1/3 Octaves:
LSPL, LEQ, LMAX, LMAX, Peak

dBAir Environmental:
LSPL, LE, LEQ, LMAX, LMAX, Peak, Ltm3, Ltm5, Lday, Lnight, Ldn, Lden, NA, 10 user-definable Ln values (pre-set to: L1, L2, L5, L10, L50, L90, L95, L98, L99) plus LAF* for Noise act assessment.

dBAir Environmental Octave:
LSPL, LE, LEQ, LMAX, LMAX, Peak, Ltm3, Ltm5, Lday, Lnight, Ldn, Lden, NA, 10 user-definable Ln values (pre-set to: L1, L2, L5, L10, L50, L90, L95, L98, L99) plus LAF* for Noise act assessment.
1/1 or 1/3 Octaves:
LSPL, LE, LEQ, LMAX, LMAX, Ln’s, Peak

dBAir Safety & Environmental:
LSPL, LE, LEQ, LMAX, LMAX, Peak, LEP’d, Exposure Points, Dose, Hearing Protector Calculator, Ltm3, Ltm5, Lday, Lnight, Ldn, Lden, NA, 10 user-definable Ln values (pre-set to: L1, L2, L5, L10, L50, L90, L95, L98, L99) plus LAF* for Noise act assessment.

dBAir Safety & Environmental Octave:
LSPL, LE, LEQ, LMAX, LMAX, Peak, LEP’d, Exposure Points, Dose, Hearing Protector Calculator, Ltm3, Ltm5, Lday, Lnight, Ldn, Lden, NA, 10 user-definable Ln values (pre-set to: L1, L2, L5, L10, L50, L90, L95, L98, L99) plus LAF* for Noise act assessment.
1/1 or 1/3 Octaves: LSPL, LE, LEQ, LMAX, LMAX, Ln’s, Peak

Memory :
16GB

Input / Output Connection :
Micro USB Type B

Power :
Batteries: 4 x AA (1.5V)
Life: Up to 12 hours continuous operation (screen settings dependent)
USB Socket

Dimensions :
Including Pre-Amplifier:
210mm (H) x 70mm (W) x 30mm (D)
Excluding Pre-Amplifier:
145mm (H) x 70mm (W) x 30mm (D)
Weight: 305g approximately (including batteries)

Available Accessories

  • GA607Dual Level Calibrator
  • KA017 Kit Case for dBAir and Accessories (included)
  • KA022 Weatherproof Enclosure
  • PSU5 Power Supply
  • ZL1093-01 Microphone Extension Cable (1m)


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