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Chemical/Gas

In-depth technical articles on the various types of chemical and gas sensors, how they work, and how they are used in real-world applications.


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Multiparameter Water Analyzer from Forston Labs   March 21, 2010

The LabNavigator from Forston Labs, Fort Collins, CO, is a multi-technology, multisensor analytical measurement platform for water analysis.More>>

News
RAE Systems Granted United States Patent for Dosimeter   November 18, 2009

Radiation detector deployed in GammaRAE II R increases measurement range and detects rate and dose. More>>

Product
Hydrogen Sulfide Detector from KWJ Engineering   November 16, 2009

The Pocket H2S Pro from KWJ Engineering Inc., Newark, CA, is a key-fob-sized personal hydrogen sulfide detector that weighs <1 oz., and protects from low- and high-level exposure to hydrogen sulfide.More>>

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Fully Integrated NIR Camera from FLIR   November 16, 2009

FLIR Systems Inc., North Billerica, MA, offers the Model SC2500-NIR NIR camera for science and research applications.More>>

Article
Hydrogen-Specific Sensing for Industrial Process Control and Safety   May 1, 2008

Monitoring hydrogen in the process industries is important for both process optimization and for safety. H2Scan has developed inline, solid-state palladium-nickel-based sensors that are highly selective to hydrogen, do not require oxygen to operate, and can detect hydrogen in concentrations from a...More>>

Article
Analyzing Gas Samples with Laser-Based Spectroscopy   March 1, 2008

Continuous-wave cavity ring-down spectroscopy uses the behavior of laser light passed through a gas sample to provide fast and accurate measurements of contaminants down to parts per trillion (ppt) levels.More>>

Article
On-Site Trace Chemical Detection, Part 2: IMS and DMS Working Together   February 1, 2008

Last month we discussed how IMS and DMS are used for trace chemical detection. Now we consider how the two technologies can be used in tandem to achieve greater selectivity and sensitivity and fewer false positives.More>>

Article
On-Site Trace Chemical Detection, Part 1: Understanding Ion Mobility and Differential Ion Mobility Spectroscopy   January 1, 2008

The first installment of this two-part series discusses ion mobility spectroscopy (IMS), the leading contender for fast and reliable detection of trace chemicals, and differential ion mobility spectroscopy (DMS), a related technology that provides faster, smaller and more sensitive sensors capable...More>>

Article
Solid-State Acoustic Wave Viscosity Sensors: The Future of Oil Condition Monitoring   November 1, 2007

Knowing the viscosity of an oil allows you to determine its condition; we evaluate a real-time viscosity sensor and compare its results with those generated using a lab rheometer.More>>

Article
Monitoring Industrial-Machinery Lubricants   October 1, 2007

By keeping tabs on your equipment's lubricating fluids, you can prolong the operating life of your machinery and reduce the cost of ownership.More>>