A brief comparison between normal conditions, 5 mbar and -40°C

D 11 mars 2015

Here is a comparison between tests under normal conditions, 5 mbar and -40°C.
It shows that :

a lower pressure decreases the sound power received by the microphone while temperature has no effect on it
the microphone is well qualified at least above 2000 Hz in extreme conditions

Dans la même rubrique

Test with a 5 mbar pressure Introduction We made the first tests at IRAP, in a vacuum chamber. The goal of these tests was to qualify the (...)

Monday 9 February 2015

Test at -40°C As we had already tested the microphone at low pressure, the objective of this test was to determine the frequency (...)

Monday 9 February 2015

A brief comparison between normal conditions, 5 mbar and -40°C

Dans la même rubrique

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Test with a 5 mbar pressure

Test at -40°C