Welan Technologies
Welan Technologies
Kothrud, Pune, Maharashtra
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Microphone & Acoustic Products

Prominent & Leading Distributor / Channel Partner from Pune, we offer sound intensity probe, binaural microphones, microphone and acoustics products and microphones sensor.

Sound Intensity Probe

Sound Intensity Probe
  • Sound Intensity Probe
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Approx. Price: Rs 1 Lakh / PieceGet Latest Price

Product Details:

Frequency Range250 Hz ~ 5000 Hz 12 mm
Weight0.4 kg
Output Connector7-pin Lemo in the Probe
Case Dimensions400 x 200 x 70 mm
Remote control PortUSB
Diameter1/2 inch
ResponseFree field
Combined Sensitivity40 mV/Pa
Microphone Phase Response Difference500 Hz ~ 2500 Hz
Equivalent Air Volume250 mm3 at 250 Hz

The USB cable between the probe and computer provide the control of sound intensity software.  


Features:

  • ICCP® powered with BNC connectors

  • Remote-control functions via USB cable

  • Accurate phase matched microphones

  • Face to face configuration

  • 1/3-octave centre frequency ranges: 63 Hz to 5 kHz

  • Well-defined acoustical microphone separation.

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Binaural Microphones

Binaural Microphones
  • Binaural Microphones
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Product Details:

MicrophoneMPA416 (Prepolarized,need ICCP power supply)
Microphone Diameter1/4 Inch
OptimizedFree field
Frequency Range20 ~ 20k (Hz)
Open Circuit Sensitivity50 (mV/Pa) (+/- 2dB)
Output ImpedanceLess than 110
Dynamic Range29 ~ 127 (dBA)
Inherent NoiseLess than 29 (dBA)
Operating Temperature-10 ~ 50 degree C
Operating Humidity0 ~ 95 (%RH)
HeadphoneUltrasone PRO 750
Sound Pressure Level94 dB
Driver40 mm titanium-plated
Weight364 g

Binaural Microphones recording which can restore the real noise in the car is the most commonly used tool for NVH Engineer. It is a powerful tool for research and improvement of sound quality. Binaural recordings usually require expensive artificial head, and it’s not easy to use. The biggest problem is the test cannot carry out on the driver''s seat that most of engineer and tester focus on. BinauralMic is popular in recent years recording equipment. The cost is very low compare to the artificial head and easy to use.


Features:

  • MPA416 microphone with phase matching, TEDS is option
  • Calibration method is same to measurement microphone, calibrator adapter is attached
  • Sealed monitoring level headphone (Germany Ultrasone top professional monitoring headphone), can effectively isolate the ambient noise
  • ICCP powered microphone with BNC connector, connect to standard data acquisition equipment
  • headphone and microphone cable are independent, easy to change
  • Suitable for indoor and outdoor noise measurement


Application:

  • Record sound for NVH, Analysis of noise
  • Two channel recording and playback
  • Cabin noise measurements
  • Simulation of vehicles on the road
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Microphone And Acoustics Products

Microphone And Acoustics Products
  • Microphone And Acoustics Products
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Approx. Price: Rs 2 Lakh / UnitGet Latest Price

Product Details:

BrandBSWA Tech
Frequency Response8 Hz-20 kHz
Diameter1/2 inch
Length13 mm
Operating Temperature-30 Deg C ~ 80 Deg C
ResponsePressure Field
Temperature Coefficient0.008 dB/ Deg C (-10~ 50 Deg C)
Humidity Coefficient- 0.006 dB/%RH
Pressure Coefficient- 0.005 dB/kPa
Open Circuit Sensitivity10 mV/Pa
Capacitance16pF
Dynamic RangeLess then 146 dB (3% Distortion Limit)
Cartridge Thermal NoiseLess then 20 dB (A)
Pressure Equalization VentRear Vented
Operating Humidity0 ~ 98% RH
Equivalent Air Volume250 mm3 at 250 Hz

microphone and is designed to make the measurement in an ear simulator, a coupler or the sound pressure on a surface.

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Microphones Sensor

Microphones Sensor
  • Microphones Sensor
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Approx. Price: Rs 2 Lakh / UnitGet Latest Price

Product Details:

Diameter1/4 inch
Open Circuit Sensitivity-48 +/- 3 dB (4 mV/Pa)
Capacitance16pF (Typical)
Frequency Response10 Hz ~ 50 kHz
Dynamic RangeGreater than 164 dB
Cartridge Thermal NoiseLess than 35 dB (A)
Operating Temperature-20 deg C ~ 80 deg C

We are offering Microphones Sensor to our clients.
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Reach Us
Nitin Welankar (Proprietor)
Nissim, No. 10-A, Lane No. 13 Paud Road
Kothrud, Pune- 411038, Maharashtra, India



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