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.견적 요청하기
Outdoor Microphones Types 4952 and 4952-A are suitable for long periods of outdoor use.
- 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.
- 12 pF
- Dyn. range
- 16 – 130 dB
- Freq. range
- 8 – 20000 Hz
- Inherent noise
- 16 dB A
- Lower limiting frequency -3dB
- Polarization voltages
- Pressure coefficient
- -0.021 dB/kPa
- 31.6 mV/Pa
- Temperature coefficient
- 0.005 dB/ºC
- Temperature range
- -30 – 60 ℃
- Sound field
- Microphone type