Contact: Dr. Volker Ebert
volker.ebert@ptb.de
49-531-592-3200
Physikalisch-Technische Bundesanstalt (PTB)

New Laser Hygrometer on a Scientific Mission on a Learjet 35A

Caption: PTB's laser hygrometer successfully completed 7 flights on a Learjet 35A and in doing so confirmed that it can be used as a comparison standard for other humidity-measuring instruments. Such a metrological standard is necessary to enhance the weight of evidence of measurement data.

Credit: Photo: Rolf Maser, enviscope GmbH

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