Thermo Scientific source gas monitoring systems are designed for highly precise and sensitive gas monitoring

Industry Solutions for Environmental Challenges

Our stack emissions monitoring system helps you comply with demanding regulatory requirements in challenging monitoring conditions. Our stack monitoring solutions are designed to be highly responsive, precise and accurate for the toughest stack gas emissions applications.

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Popular source gas monitoring products

Watson Mercury Speciation System

Mercury Freedom System (Hg CEMS)

Particulate Matter Continuous Emissions Monitoring System (PM CEMS)

Featured source gas monitoring categories

A range of customizable emissions and gas monitoring systems that help you comply with regulatory guidelines while meeting your own specific requirements.

Accurately meet your single gas emissions monitoring needs with our line of single gas analyzers.

Support your emissions and gas monitoring operations with our line of Thermo Scientific emissions monitoring probes and controllers.

111iQ Series Zero air supply supply clean diluent air for spanning ambient air analyzersZero Air Analyzer

Generate pollutant-free zero gas from ambient air to allow for proper zeroing, and to provide clean diluent air for spanning ambient air analyzers.


Thermo Scientific air quality monitors sale

New technology, new price

Substantial discounts are available on new Thermo Scientific air quality monitors.

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Featured video: TEOM Reference Cycle

Discover how the TEOM acts as an internal mass reference calibration for the PM CEMS and how it can yield more accurate results.

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Let us handle the repair or calibration of all your environmental process and monitoring products. We're happy to track the process from start to finish, including coverage verification, problem diagnosis, cost estimates, and repair costs.