Positively impacting the world’s most precious resources

Our products are made with the future in mind, and that’s why we offer monitoring equipment and services to assist your business in environmental stewardship and regulatory compliance.

ATOM manufactures laboratory and online elemental analyzers for total sulfur-nitrogen applications in liquids, solids and gases, providing practical and innovative measurement solutions to the petroleum, petrochemical and pipeline industries. ATOM Instrument continually strives to improve its products and deliver exceptional customer service and support.

Our company offers modern technology, certified equipment and reliable services tailored to the individual needs of our customers worldwide since 1948. Industry and traffic are today’s major sources of emissions. Using DURAG solutions you can precisely measure emissions from industrial plants and reliably monitor the air quality in tunnels.

Extrel, a Process Insights Brand, is the premiere supplier of real-time gas analyzers for process control, environmental monitoring, and cutting-edge laboratory research.

Extrel has focused exclusively on perfecting the use of quadrupole mass spectrometers for gas and ion analysis, resulting in a set of products known for affordability, exceptional performance, durability and ease-of-use.

We here at Sentry know that running an efficient operation isn’t easy. It requires thorough, careful analysis of controlled, real-time data achieved through reliable, accurate and repeatable process monitoring and measuring. Our products and services effectively condition, sample and measure gas, liquid, slurry, powder, solids, steam or water to help our customers obtain the critical insights they need to control and optimize their processes.