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Draft standard

DIN ISO 8932-2:2025-04 - Draft

Meteorology - Radiosonde - Part 2: Laboratory test method for errors in radiosonde humidity sensor calibration (ISO/DIS 8932-2:2025); Text in German and English

German title
Meteorologie - Radiosonde - Teil 2: Laborprüfverfahren für Fehler bei der Kalibrierung von Radiosonden-Feuchtesensoren (ISO/DIS 8932-2:2025); Text Deutsch und Englisch
Date of issue
2025-03-14
Publication date
2025-04
Original language
German, English
Pages
59

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Date of issue
2025-03-14
Publication date
2025-04
Original language
German, English
Pages
59
DOI
https://dx.doi.org/10.31030/3603891

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Short description
The purpose of this International Standard is to provide a test method for radiosonde humidity sensors with varying temperature and relative humidity using laboratory setups. The main scope of this International Standard is as follows: (a) technical requirements for laboratory setups needed for the calibration of radiosonde humidity sensors; (b) test procedure for calibrating radiosonde humidity sensors in the range of −70 ℃ – 50 ℃ and 1 % – 100 % (or maximum relative humidity below 0 ℃) (c) uncertainty evaluation method for radiosonde humidity sensors. To be more specific, the requirements for an absolute humidity generator, a test cell, and a precision hygrometer as essential laboratory setups are proposed in part (a). In part (b), the test procedure includes the installation of radiosondes in the test cell, the operation of laboratory setups, and the comparison between the reference relative humidity and the relative humidity measurement by radiosondes. In part (c), the method to evaluate uncertainties related with the reference relative humidity and the radiosonde humidity sensor is proposed.
Content
ICS
07.060
DOI
https://dx.doi.org/10.31030/3603891

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