Our Brands

Process Insights – Leading in Process

Process Insights – Premium Insights into Process Gas Analysis

Our solutions and technologies ensure safe the operation, increase production quality, protect the environment, property and personnel, improve asset lifecycle while optimizing levels of efficiency and throughput. 

With time-tested, field proven global portfolio of sensors, monitors, detectors, analyzers, instrumentation, and software, these technologies are mission-critical to continually improve quality, reduce disruptions, downtime, and lost productivity.

For instance, meeting increasing regulatory compliance for continuous monitoring of HCl, NH3, CO, NOx, SO2, CO2 and other gases is vital.   Our multi-component, high precision, cost-efficient continuous emissions monitoring solutions have repeatedly outperformed competitors and traditional, outdated technologies in power generation and industrial processes.

Our legacy of market-leading high quality online water analyzers accurately measure TOC, TNb, TOD, COD, BOD and toxicity across industrial and municipal waste water treatment plants. 

We make our world better.

LAR Process Analysers

The TOC Company

Since 1986, LAR Process Analysers is the global leader in high quality online water analyzers and innovative water solutions, services and solutions for analytical measurement challenges in a wide variety of industries and applications.


Analyzers for Humidity Measurements

Hygrocontrol is a leading brand dedicated to the measurement of humidity and temperature in industrial and process applications using proprietary high-precision relative humidity and temperature meters. 

COSA Xentaur

Innovative Measurement Solutions

COSA Xentaur offers a high performance portfolio of dew point measurement solutions, analytical laboratory equipment, and WOBBE and BTU calorimeters that are robust, accurate, and cost effective.

Alpha Omega Instruments

Analyzers for Oxygen Measurement

Alpha Omega Instruments provides high precision process measurement and analysis with market leading trace and percent oxygen analyzers and transmitters, safety monitors (oxygen deficiency and carbon dioxide) carbon dioxide analyzers, and moisture monitors.

Tiger Optics

High-Performance Gas Analyzers

Founded in 2001, Tiger Optics leads in trace gas analyzers, as well as atmospheric and cleanroom monitors that incorporate the powerful Cavity Ring-Down Spectroscopy (CRDS) technology.

Extrel CMS

Real-Time Gas Analyzers for Research and Industry

Founded in 1964 and based in Pittsburgh, PA, Extrel is a leading manufacturer of research and process mass spectrometers, residual gas analyzers, systems and components based on quadrupole mass spectrometry technology.  The company’s analytical and process instruments are used in both, industry for process optimization and regulatory compliance as well as research, where Extrel’s instruments are used by Nobel Laureates and many others in a variety of applications worldwide.

ATOM Instruments

Analyzers for Total Sulphur – Nitrogen Applications

ATOM Instrument manufactures laboratory and online elemental analyzers for total sulfur-nitrogen applications in liquids, solids and gases, providing practical and innovative measurement solutions.  Their total sulfur analysis is based on Excimer UV Fluorescence technology, a patented and proprietary technology.

MBW Calibration

Precise Humidity Measurement and Calibration Systems

MBW Calibration is recognized internationally as a developer and supplier of high-quality chilled mirror dew point hygrometers used in a variety of humidity calibration, measurement and gas quality applications.  MBW is the leading provider of SF6 gas quality analyzers based uniquely on chilled mirror technology.

Questions? We’re here to help.

Extrel CMS, LLC 
575 Epsilon Drive
Pittsburgh, PA 15238