Classification and Applications of Humidity Sensors: A Review

Yadav, Anurag

doi:10.22214/ijraset.2018.4616

Cited by 15 publications

(5 citation statements)

References 54 publications

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“…The resistive sensors use the change in resistivity to detect the humidity change. Capacitive sensors in general exhibit higher linearity, faster response and temperature compensation but are sensitive to gas contaminations compared to the resistive sensors [48]. Piezoelectric sensors, on the other hand, do not require external power source which is needed for both capacitive and resistive.…”

Section: Discussionmentioning

confidence: 99%

MEMS Humidity Sensors

Alfaifi¹,

Zaman²,

Alsolami³

2023

Humidity Sensors - Types and Applications

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This chapter reviews MEMS humidity sensors fabricated using microfabrication technologies. It discusses the operation principle, different designs, and the fabrication technologies for the different sensing mechanisms. Sensing humidity using capacitive sensors is first reviewed with a highlight on the different sensing materials and how their permittivity and physical parameters affect the sensor performance. Then the chapter discusses the piezoelectric humidity sensing method, wherein piezoelectric sensors the dynamic mode measurement is used. In these sensors, the mass changes corresponding to the humidity, resulting in resonance frequency shift and amplitude change. Finally, the chapter reviews the resistive humidity sensors where the change in the resistivity of various materials is used as an indication of humidity change in the environment.

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Section: Discussionmentioning

confidence: 99%

MEMS Humidity Sensors

Alfaifi¹,

Zaman²,

Alsolami³

2023

Humidity Sensors - Types and Applications

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“…Though MOxs and CMOxs share mainly the same interaction mechanism with atmospheric water, CMOxs possess numerous advantages such as superior mechanical strength, chemical resistance under various environments, hightemperature stability, large surface area, and reproducible electrical properties. Generally, CMOxs are used widely in many sensing fields such as temperature, humidity, pressure, oxygen, proximity, automobile, capacitive, oil level, and corrosion sensors [18,48].…”

Section: Inorganic Materialsmentioning

confidence: 99%

Recent Sensing Technologies of Imperceptible Water in Atmosphere

Mekawy

Kawakita

2022

Chemosensors

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Accurate detection and quantitative evaluation of environmental water in vapor and liquids state expressed as humidity and precipitation play key roles in industrial and scientific applications. However, the development of supporting tools and techniques remains a challenge. Although optical methods such as IR and LASER could detect environmental water in the air, their apparatus is relatively huge. Alternatively, solid detection field systems (SDFSs) could recently lead to a revolution in device downsizing and sensing abilities via advanced research, mainly for materials technology. Herein, we present an overview of several SDFS based sensing categories and their core materials mainly used to detect water in atmosphere, either in the vapor or liquid phase. We considered the governing mechanism in the detection process, such as adsorption/desorption, condensation/evaporation for the vapor phase, and surface attach/detach for the liquid phase. Sensing categories such as optical, chilled mirror, resistive, capacitive, gravimetric sensors were reviewed together with their designated tools such as acoustic wave, quartz crystal microbalance, IDT, and many others, giving typical examples of daily based real scientific applications.

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“…Humidity sensors that detect water vapor enable us to measure the amount of water in the air (Tan et al, 2005;Song et al, 2009). Yadav (2018) reviewed various types of humidity sensors and their importance in human life. Depending on the technology involved, humidity sensors are capable of providing accurate measurements of absolute humidity by mixing measurements of temperature and relative humidity (RH: the ratio of air moisture to maximum moisture at a specific temperature, while humidity is the difference between them).…”

Section: Humidity Sensorsmentioning

confidence: 99%

Ceramic Sensors: A mini-review of their applications

Prasad

Ramesh

et al. 2020

Front. Mater.

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We are living in a sensor world. Sensors are used in the house, office, car, and other areas detecting our presence by turning lights on, adjusting room temperature, detecting fires, and many other tasks. Today sensor has become a “buzz word”, without which it is hard to imagine living. They play a vital role in all sectors including housing, industry, aviation, medicine, and automobiles to name a few. Sensors can be manufactured with many types of materials. However, sensors made of ceramics have significance and have advantages when compared to those made from other materials. This mini review examines ceramic sensors and their applications in various sectors including the materials used to build them and their functioning in different areas. The paper precisely reports ceramic sensors and their applications in industry, including the medical, automotive, and aviation sectors.

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Classification and Applications of Humidity Sensors: A Review

Cited by 15 publications

References 54 publications

MEMS Humidity Sensors

MEMS Humidity Sensors

Recent Sensing Technologies of Imperceptible Water in Atmosphere

Ceramic Sensors: A mini-review of their applications

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