Enhance your oxygen measurement capabilities with the YSI 5239-25 Field D.O. Probe. This high-quality probe features a robust 7.6 m (25 ft) cable, allowing for flexible use in various field conditions. Designed for precision, it ensures accurate dissolved oxygen readings, making it ideal for environmental monitoring, aquaculture, and research applications. The durable construction guarantees longevity, while the easy-to-use design simplifies your workflow. Whether you're a professional or a hobbyist, this accessory is essential for reliable oxygen data collection. Upgrade your oxygen meter experience today!