publication . Article . 2017

Low Humidity Characteristics of Polymer-Based Capacitive Humidity Sensors

Jacek Majewski;
Open Access
  • Published: 20 Dec 2017 Journal: Metrology and Measurement Systems, volume 24, pages 607-616 (eissn: 2300-1941, Copyright policy)
  • Publisher: Walter de Gruyter GmbH
Abstract
<jats:title>Abstract</jats:title><jats:p>Polymer-based capacitive humidity sensors emerged around 40 years ago; nevertheless, they currently constitute large part of sensors’ market within a range of medium (climatic and industrial) humidity 20−80%RH due to their linearity, stability and cost-effectiveness. However, for low humidity values (0−20%RH) that type of sensor exhibits increasingly nonlinear characteristics with decreasing of humidity values. This paper presents the results of some experimental trials of CMOS polymer-based capacitive humidity sensors, as well as of modelling the behaviour of that type of sensor. A logarithmic functional relationship bet...
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Subjects
free text keywords: polymer-based capacitive humidity sensors, low humidity measurement, humidity sensors modelling, Capacitive sensing, Composite material, Humidity, Polymer, chemistry.chemical_classification, chemistry, Materials science, lcsh:Technology, lcsh:T
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