Advanced Micro Instruments, Inc. was founded in 1995 by Steven Kirchnavy and Roland Aldridge. Together, they represent more than 45 years of experience in the field of percent and trace oxygen analysis.

AMI's philosophy is to focus specifically on oxygen analysis. In doing so we are recognized as the experts in oxygen measurement for intelligent, reliable, state-of-the-art, low cost oxygen analyzers.


If your application requires oxygen analysis, we offer a full spectrum of oxygen analyzers or we can design a product tailored to meet your specific needs.

We guarantee satisfaction!