Please note, most links within this site now redirect to Process Sensing Technologies for the most up to date information.


Analyzers and Sensors for Process Industries

Analyzers and sensors for oxygen and hydrogen sulphide Designed for safe and reliable operation in harsh and challenging process environments, our O2 and H2S analyzers have proven themselves installations around the world. With their simple and economic operation, they are the preferred choice of engineers for the demanding applications in natural gas exploration, extraction and transmission as well as in petrochemical and refinery plants.

The links below will take you to, where the most recent product information is now available. This new website allows you to see the full PST measurement instrumentation product range in one place including all of the Aii products you’re familiar with.

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Analytical Industries Inc.
2855 Metropolitan Place,
Pomona, CA, 91767
What we do
Analytical Industries Inc manufactures high-quality electrochemical oxygen sensors and gas analyzers for industrial process control as well as breathing air for diving and medical treatment.