Abstract
The term infrasound sensor mainly stands for the elements of an infrasound measuring chain, which are located between the wind-generated noise reducer and the recorder. It measures pressure changes over a very large dynamic range and delivers a dynamic signal suited to the associated recorder whose input range is limited. No versatile measuring chain is able to solve the known infrasound low-noise model and to measure largest infrasound all over the infrasound frequency band.
An infrasound sensor can be installed all over the world for a long time under very harsh environmental conditions. Some designs are suited to operate on worldwide networks and are very robust, reliable, and insensitive to environment but sometimes heavy and power consuming. Others are more suited to temporary measurements but are not as reliable or insensitive to environment.
On another hand, sensors performances, reliability, and robustness are very different according to the technique used. The sensor to be used has to be chosen with care according to the specifications to reach and the environmental constraints to undergo.
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Ponceau, D., Bosca, L. (2010). Low-Noise Broadband Microbarometers. In: Le Pichon, A., Blanc, E., Hauchecorne, A. (eds) Infrasound Monitoring for Atmospheric Studies. Springer, Dordrecht. https://doi.org/10.1007/978-1-4020-9508-5_4
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