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Humidity/Moisture

Technical articles and tutorials for sensors used to measure humidity (RH) and moisture.


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Dew Point Transmitter from PMC   February 21, 2010

Process Measurement & Controls Inc., Danbury, CT, offers the Michell Instruments SF52 dew point and absolute humidity transmitter.More>>

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Irrigation Smarts Tee Up Savings   November 1, 2006

The growing demand for developed property is paralleled by the increasing need for irrigation. In reaction to these trends, local jurisdictions place tighter restrictions on water usage, and the cost of irrigation becomes significant. To reduce the cost of maintaining award-winning greens and...More>>

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Smart Humidity Control for Laundry Rooms   June 1, 2006

The pressure is constantly increasing to bring ever-smarter products, including white goods, to market more and more quickly while keeping production costs down. New household appliances should have as small an effect on the environment as possible-reducing energy consumption is an excellent case...More>>

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Choosing a Data Logging System   October 1, 2005

Choices for logging systems are expanding all the time, and defining your application and finding a logger to match it, rather than fitting your requirements to a given logger, dictates the best selection. Take care not to over-specify because this will reduce your choices and increase your...More>>

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Tracking the Wild Wind   June 1, 2005

The summer of 2004 might not have set hurricane records, but hundreds of thousands of lives were disrupted by either a hurricane or the threat of one on its way. Improved knowledge of the paths these storms are most likely to take will lead to more accurate advisories and reduce the chances of...More>>

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The Chilled Mirror hygrometer: How It Works, Where It Works-and Where It Doesn't   May 1, 2005

The chilled mirror hygrometer (CMH) has been used as a NIST-referenced humidity transfer standard in metrology laboratories for the past four decades. Its principle of operation is simple and elegant. Its totally inert construction, wide measuring span, and high precision have led to thousands of...More>>

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Weather Watching in the Wilds of Chad   May 1, 2005

Pumping crude oil tends to take place in some pretty inhospitable locales. Esso Exploration and Production Chad Inc. (operator of a consortium that also includes Petronas Carigali [Chad EP] Inc. and Chevron Petroleum Chad Co. Ltd.) uses a remote airstrip in Kome, Chad, to support its crude oil...More>>

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Consolidations Promise End-User Benefit   February 1, 2005

A few years back, Measurement Specialties, a pioneer in pressure sensing, gained recognition for an aggressive schedule of acquisitions. More recently, the company established MSI Sensors (www.msisensors.com) as a separate division and echoed history as MSI made four significant acquisitions in...More>>

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Choosing a Humidity Sensor: A Review of Three Technologies   July 1, 2001

This discussion of the operating principles of capacitive, resisitive, and thermal conductivity humidity sensors also addresses their advantages, disadvantages, and applications.More>>

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A 1-Wire Humidity Sensor   August 1, 2000

A humidity sensor designed for retrofit into a 1-Wire weather station is powered by and communicates over a single twisted pair.More>>