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TYPE 4941

HOCHSCHALLDRUCKMIKROFON, EXT. POLARISIERT

Das Schalldruckmikrofon Typ 4941 ist für extrem hohe Messungen wie Schüsse, Feuerwerkskörper und Raketen im Frequenzbereich von 4 Hz bis 20 kHz konzipiert.

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TYPE 4941

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Die robuste Konstruktion dieses Druckfeldmikrofons ermöglicht es, einen Berstdruck von bis zu 201 dB ohne Beschädigung auszuhalten. Da der Typ 4941 extern polarisiert ist, muss er mit einem klassischen Vorverstärker verwendet werden.

  • Messungen des Schussgeräuschs
  • Lärmmessungen bei Feuerwerken
  • Messungen des Raketenlärms
  • Allgemeine Hochpegelmessungen
FAMILY 4941
Standard IEC 61094
Sound field Pressure field
Polarization Classical
Sensitivity 0.09 mV/Pa, 0.08 mV/Pa
Lower frequency 4 Hz
Higher frequency 20 kHz
Lower dynamic range 74 dB
Higher dynamic range 184 dB
Diameter 1/4 inch
Venting Side
Minimum Temperature -20 °C
Maximum Temperature 80 °C
Minimum Temperature -4 °F
Maximum Temperature 176 °F
Output signal (connectivity) Passive

THIS MICROPHONE SET IS A COMBINATION OF:

 

The unit is assembled in a clean-room environment and sealed together, after which it is assigned one single type number and one single serial number. This means that the combined unit has better precision and long-time stability, and is handled as one complete unit.

The unit also contains TEDS, which means that information about the serial number, type and sensitivity is stored within it.

THE BENEFITS OF USING A MICROPHONE-PREAMPLIFIER COMBINATION ARE:

  • Better stability and precision. Because the unit is assembled in clean-room facilities, there is no contamination.
  • Ease of use. Your analyzer front-end and software will automatically detect the type number, serial number and sensitivity because of the built-in TEDS technology. There is no need to enter this manually for every channel. 
  • Calibration integration. The TEDS technology means the microphone is automatically detected and identified by your data acquisition software, allowing it to be easily integrated with your calibration database.
  • Fewer errors. As your data acquisition software automatically knows the microphone type, serial number and sensitivity, manual inputs are greatly reduced – reducing human errors.