ShareRELATIVE HUMIDITY MEASUREMENTS USING A COATED PIEZOELECTRIC QUARTZ CRYSTAL SENSOR.
Author(s) : RANDIN J. P., ZULLIG F.
Type of article: Article
Summary
DESCRIBES AN INVESTIGATION OF SEVERAL MATERIALS COATED ON PIEZOELECTRIC QUARTZ CRYSTALS AS POSSIBLE HUMIDITYDETECTORS. THE COATING SELECTIVELY INTERACTS WITH WATER AND INCREASES IN MASS. THE CRYSTAL RESONANCE FREQUENCY DEPENDS ON THE MASS OF THE COATING AND THE SORBED WATER. THE CONCENTRATION OF WATER VAPOUR IS MEASURED BY DETECTING A CHANGE IN THE CRYSTAL VIBRATION FREQUENCY. SUMMARISES THE ADVANTAGES AND DRAWBACKS OF THE COATINGS IN A TABLE. PROVIDES CONCLUSIONS CONCERNING THEIR APPLICATIONS. (INT. BUILD. SERV. ABSTR., GB., 22, N 5, 1987, 22, 87-01592.
Details
- Original title: RELATIVE HUMIDITY MEASUREMENTS USING A COATED PIEZOELECTRIC QUARTZ CRYSTAL SENSOR.
- Record ID : 1988-1775
- Languages: English
- Source: Sens. Actuators - vol. 11 - n. 4
- Publication date: 1987
- Document available for consultation in the library of the IIR headquarters only.
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Indexing
- Themes: Thermodynamic measurements
- Keywords: Psychrometry; Measurement; Measuring instrument; Relative humidity
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