Electric conductimetric sensor with a thin-layer structure for moisture analysis
Electric conductimetric sensor with a thin-layer structure for moisture analysis
- Neue Suche nach: Mitsubayashi, K.
- Neue Suche nach: Miyoshi, Y.
- Neue Suche nach: Takeuchi, T.
- Neue Suche nach: Karube, I.
- Neue Suche nach: Mitsubayashi, K.
- Neue Suche nach: Miyoshi, Y.
- Neue Suche nach: Takeuchi, T.
- Neue Suche nach: Karube, I.
An electric conductimetric sensor (thickness: 80 /spl mu/m) constructed in a sandwich configuration with a hydrophilic poly-tetrafluoroethylene membrane placed between two gold deposited layers was evaluated for use as a moisture sensor. The humidity level was measured by electrical conductivity of the device using the Multi-frequency LCR-meter at frequencies ranging from 100 Hz to 100 k Hz, the device was calibrated at 100 Hz against the moisture air over the range of 30-85 % RH, which includes normal humidity level in the atmosphere and physiologic air such as breath and sweating. The response sensitivity of the conductimetric device was extremely high (i.e. less than 1 sec. for conductivity shift between humid air of 80 % RH and dried air of -60 /spl deg/C dew point) even for recovery to dried air. The sensor performance was reproducible over multiple measurements, showing the highly reproducibility with a coefficient of variation of 1.77 % (n = 5).
Dokumentinformationen
Electric conductimetric sensor with a thin-layer structure for moisture analysis
2002-01-01
177194 byte
Aufsatz (Konferenz)
Elektronische Ressource
Englisch
Ähnliche Titel
Electric Conductimetric Sensor with a Thin-Layer Structure for Moisture Analysis
| British Library Conference Proceedings | 2002