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  • Measurement microphone / outdoor

50 mV/Pa | 41AL, 41AO

Article: 00015927

Measurement microphone / outdoor

The G.R.A.S. Environmental Microphones are equipped with four-pronged anti-bird spikes on top of the windscreen. This prevents birds from perching on top of the windscreen when the microphone unit is placed outdoors for long-term unattended noise surveillance. Birds perching on top of the windscreen can seriously disturb measurements or even overload the measurement equipment. Furthermore, bird excreta can distort the acoustic properties of the windscreen so that it no longer performs according to original specifications. Some smaller birds have actually been known to nest on top of the earlier three-pronged anti-bird spikes. Hence, the introduction of a fourth, centre prong.

Specifications

  • Applications: measurement
  • Other characteristics: outdoor

Other items

In this category | In this category, (G.R.A.S. Sound & Vibration)

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