TYPE 4952

Outdoor Microphone

Outdoor Microphones Types 4952 and 4952-A are suitable for long periods of unattended outdoor use. Their exterior housing is made of a chemical resistant polymer that provides extremely high protection against corrosion.

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Outdoor Microphones Types 4952 and 4952-A are suitable for long periods of outdoor use. 

USE SCENARIOS

  • Measurements in all weather conditions
  • Microphone for noise monitoring systems
  • IEC 61672 Class 1 compliant outdoor sound measurement
  • Complaint investigations

The exterior housing of Outdoor Microphones Types 4952 and 4952-A is made of a chemical resistant polymer that provides extremely high protection against corrosion. This - and the microphones’ excellent long-term stability - guarantee outdoor use for at least a year with no significant change in measuring sensitivity.

Frequency response is precisely controlled, such that, with the appropriate linearization, IEC 61672 Class 1 requirements are fulfilled.

The windscreen upper part and bird spike can be removed in seconds, enabling easy acoustical calibration of the microphone.

Capacitance
12 pF
Diameter
1/2
Dyn. range
16 – 130 dB
Freq. range
8 – 20000 Hz
Inherent noise
16 dB A
Lower limiting frequency -3dB
Hz
Optimised
Outdoor
Polarization
Prepolarized
Polarization voltages
V
Pressure coefficient
-0.021 dB/kPa
Sensitivity
31.6 mV/Pa
Temperature coefficient
0.005 dB/ºC
Temperature range
-30 – 60 ℃
Venting
Rear
Weight
gram
Sound field
Special
Microphone type
Outdoor