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TYPE 4184

WEATHERPROOF MICROPHONE

Weatherproof Microphone Type 4184 is the ideal choice for conducting long-term outdoor noise monitoring. The unit provides exceptional omnidirectional characteristics while withstanding humidity and changing weather conditions.

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TYPE 4184

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Weatherproof Microphone Type 4184 is designed for use in humid and corrosive atmospheres, and is built with a casing made completely of stainless steel with a built-in protection system against humidity. 

The microphone is in compliance with standards IEC 651 Type 1 and ANSI S 1.4-1983 Type 1.

  • Permanent noise-monitoring systems
  • Semi-permanent noise-monitoring systems
  • Portable noise-monitoring systems
  • Noise measurements in most humid and corrosive atmospheres
TYPE 4184
Standard ANSI S1.4
Sound field Free field
Sensitivity 12.5 mV/Pa
Lower frequency 4 Hz
Higher frequency 20 kHz
Higher dynamic range 140 dB
Venting Side
Minimum Temperature -10 °C
Maximum Temperature 50 °C
Minimum Temperature 14 °F
Maximum Temperature 122 °F
Output signal (connectivity) Passive