Validation of sensors for the determination of humidity in compressed gases
- Five miniaturized sensors based on dew-point, capacitance or resistance measurement were tested for the detection of humidity in compressed gases. The dew-point sensors with optical or dielectric detection of condensation were used at gas pressures up to 3 MPa in dew-point range of -20 to 70°C and show no systematic deviation and an uncertainty of dew-point temperature mostly less than 1 K. The LiCl sensor has also a low uncertainty but exhibit a systematic deviation to higher values of dew-point. Capacitive polymer sensors can indicate also a dew-point, even down to -70 °C and have an uncertainty of about 1 to 2 K. The oxide sensor works in the dew-point range of -10 to 20°C and has a signal what exponential decreases with increasing gas pressure up to 10 MPa. All types of sensor can be applied in compressed gases at least up to 3 MPa, but their different change of sensor signal due to the gas pressure has to be considered.
Autor*innen: | Thomas Hübert, Ulrich Banach |
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Dokumenttyp: | Beitrag zu einem Sammelband |
Veröffentlichungsform: | Verlagsliteratur |
Sprache: | Englisch |
Titel des übergeordneten Werkes (Englisch): | 5th International Symposium on Humidity and Moisture (ISHM 2006 Brazil), May 2-5, 2006, Rio de Janeiro, Brazil (Proceedings) |
Jahr der Erstveröffentlichung: | 2006 |
Ausgabe/Heft: | Paper 110 |
Erste Seite: | 1 |
Letzte Seite: | 5 |
Freie Schlagwörter: | Humidity sensor; Pressure dew-point; Validation |
Veranstaltung: | 5th International Symposium on Humidity and Moisture (ISHM 2006 Brazil) |
Veranstaltungsort: | Rio de Janeiro, Brazil |
Beginndatum der Veranstaltung: | 2006-05-02 |
Enddatum der Veranstaltung: | 2006-05-05 |
ISBN: | 978-85-86920-04-2 |
Verfügbarkeit des Dokuments: | Physisches Exemplar in der Bibliothek der BAM vorhanden ("Hardcopy Access") |
Bibliotheksstandort: | Sonderstandort: Publica-Schrank |
Datum der Freischaltung: | 19.02.2016 |
Referierte Publikation: | Nein |