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Comparing Humidity Sensing Technologies
HUMIDITY SENSOR FAQ Capacitive vs. Resistive vs. Aluminum Oxide Sensors How Each Sensor Works Q: How does a capacitive humidity sensor work? Uses a thin hygroscopic polymer film sandwiched between two electrodes, forming a capacitor. The film absorbs water vapor;...Chilled Mirror Hygrometer Technology, a Fundamental First Principal Measurement for Dew Point
Chilled Mirror Hygrometer Technology, a Fundamental First Principal Measurement for Dew Point Download PDF In this paper, we explain the technology of chilled mirror and why chilled mirror hygrometer (CMH), a primary measurement is used as a NIST traceable reference...
Oxygen sensor for hydrogen (combustible gas) applications: Zirconium vs Electrochemical
It is imperative to know the cross sensitivity of the oxygen sensor that is to be used. Knowing beforehand, the environmental gases and the chemical composition is important. This will help eliminate any erroneous reading and possibly contaminating your sensor, which...
Solid-State Humidity Sensing Element
Introduction Due to past and recent battery failures, researchers at NASA’s Marshall Space Flight Center, (MSFC), began research and development on energy storage systems that did not utilize liquids or gels as the electrolyte. During measurement of one of the...