The Green Instruments G36a Oxygen Analyzer is a precision measurement device designed for continuous monitoring of oxygen concentration in industrial and marine applications. It operates on 110-230 VAC power and delivers accurate oxygen level readings, which are displayed on the companion GreenView unit. Certified by DNV-GL, it is ideal for use in shipboard inert gas systems, boiler control, and process monitoring, offering reliable performance in harsh marine and industrial environments with low power consumption and long-term stability.