The Green Instruments SEN9 (Part ID: 01258) is a highly reliable replacement oxygen sensor designed for seamless integration with oxygen analyzers and probe heads. Manufactured in Germany to exact engineering standards, this sensing element ensures precise oxygen measurement for your critical monitoring systems. It comes fully equipped with a 65 cm connector cable for direct and easy attachment to your analyzer. To guarantee optimal condition and prevent contamination prior to installation, each sensor is meticulously sealed in a vacuum bag and safely housed inside a protective carton tube.