Baroswitch

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Baroswitch

(From barometric switch). 1. Specifically, a pressure-operated switching device used in a radiosonde. In operation, the expansion of an aneroid capsule causes an electrical contact to scan a radiosonde commutator composed of conductors separated by insulators. Each switching operation corresponds to a particular pressure level. The contact of an insulator or a conductor determines whether temperature, humidity, or reference signals will be transmitted. 2. Any switch operated by a change in atmospheric pressure.

References

This article is based on NASA's Dictionary of Technical Terms for Aerospace Use