Analytical Industries Inc
Analytical Industries Inc (AII) is renowned for its high-quality, reliable electrochemical galvanic oxygen sensors and rugged, easy to use analyzers and portable instruments. Headquarted in Pomona, California, AII was established in 1994 by three engineers who wanted to use their understanding of electrochemical oxygen sensing techniques to create a new generation of sensors with superior measurement ranges and lifespan.

AII supplies instruments and sensors around the world to customers in industrial control, natural gas processing, medical and professional diving industries
The product range incudes:
Oxygen sensors for respiratory gas ppm and% O2
Oxygen sensors for industrial gases in the ranges ppb, ppm and% O2
Oxygen analyzers for PPB, PPM and% O2
Analyzers for hydrogen sulphide (H2S), carbon monoxide (CO) or gas mixtures.