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Humidity Measurement

The Following technical articles have been kindly made available from Mitchell Instruments (www.michell-instruments.com)

Moisture Measurement in Natural Gas -Thanks to Rolf Kolass, Michell Instruments GmbH, Friedrichsdorf , Germany -Chris Parker, Michell Instruments Ltd, Cambridge , UK Hydrocarbon dew point of gas - Redeveloping Instrumentation to reduce the cost of ownership-Thanks to Jon Severn
Cooled Mirror Sensor Technology  Hydrocarbon Dew Point Technology-Automatic Dark spot principal

Hydrocarbon Dew-point – A Key Natural Gas Quality Parameter

Moisture Sensors for Process Air and Gases

Moisture and Hydrocarbon Dew-point Measurement in Natural Gas

Ceramic Moisture Sensor

The Following articles are kindly provided by Able Instruments

Humidity Measurement

(Online Article)

A review of various humidity sensor technologies and typical applications.

Humidity Analysers

(WinZip/Acrobat File - 114kb)

Product quality improvement with correct moisture measurement in thermal processes using electrolytic hygrometers.


Humidity Analysers

(WinZip/Acrobat File - 305kb)

Theory and information of Condensation Chilled Mirror Hygrometers.

Humidity

(WinZip/Acrobat File - 417kb)

The latest information on Cavity Ring Down Spectroscopy.

Delta F Moisture Sensing Technology
Technical data on Tunable Diode Laser Absorption Spectroscopy (TDLAS)

HUMIDITY CHARTS AND CALCULATORS

Notes on Relative Humidity- from the University of Illinois
Relative Humidity Tables- from the National Weather Forecast Centre
Humidity Calculator - from the Australian Government Bureau of Meteorology
 
Humidity Charts from the Old Farmers Almanac
 
Atmospheric Moisture - Sample chapter from the textbook Meteorology Today by C. Donald Ahrens. (PDF 1.5MB 22 pages)-Thanks to  www.novalynx.com
 
Dew Point Temperature Table (Fahrenheit) - Also includes equations for calculating dew point temperature. From the University of Nebraska-Lincoln