This listing is for a used Illinois Instruments Series EC900 Model EC911 O2 Oxygen Analyzer. It is designed to measure oxygen concentration in a gas stream, suitable for applications in industrial processes, laboratory analysis, or environmental monitoring where precise oxygen level verification is required. The unit is offered in used condition, meaning it has been previously operated; potential buyers should assess it for their specific needs. Free shipping is available for this item. As an analytical instrument, its practical value lies in providing reliable data for process control, safety checks, or research. Buyers should consider compatibility with their existing systems and gas sampling requirements. Check the listing for full details on its specifications, calibration history, and operational status. Illinois Instruments Series EC900 Model EC911 O2 Oxygen Analyzer. Condition: Used, Made in United States. Listed at 1000.00 USD. Incorrect Quantity.