The trace portable oxygen analyser, Model 941, has a measuring range of 0-20,000ppm while the percent portable oxygen analyser, Model 940, has a measuring range of 0-100%.  The portable oxygen analyser offered by Illinois Instruments uses an electrochemical sensor for accurate measurements of oxygen in most industrial gas streams.  Our portable oxygen analyser can be either a trace or percent configuration depending on your application.  The portable oxygen analyser series uses rechargeable batteries that typically last about one week before recharging.

Use the menu above to select another oxygen analyser or to find information on permeation analysers.