Outdoor Microphone For Long-term exterior use
Outdoor Microphone Type 4952 provides class 1 compliant outdoor sound measurement in compliance with IEC 61672. The microphone is built from polymer materials, protecting the microphone from changing weather in longer periods of outdoor use.Angebot anfordern
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
- Dynamic range
- 16 – 130 dB
- Frequency 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 C
- Sound field
- Microphone type