News OM225 Semi-permanent Outdoor Microphone

OM225 Semi-permanent Outdoor Microphone

OM225 semi-permanent outdoor microphone is developed by BSWA Tech for outdoor noise monitor. Semi-permanent outdoor microphone has no built-in calibration device and therefore requires periodic calibration using a sound calibrator for short-term noise measurement.

OM225 outdoor microphones have been specially designed to achieve the free-field frequency response both in 0° and 90° direction of incidence within the limits of Class 2. It’s suitable for aircraft, airport, urban, traffic and industrial noise measurement. Each microphone is supplied with an individual calibration certificate that contains the actual sensitivity and free-field frequency response data for the complete set of outdoor microphones. Users can use the calibration data to correct the measurement data for more accurate results.

OM225 meets the IP55 ingress protection rating. The 90mm windscreen, internal rain hood and dust mesh can fully protect microphone to against wind, rain, snow, dust and other severe weathers. The bird spike prevents impact of perching birds to the measurement.

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