Enhance your oxygen measurement capabilities with the YSI 5239-25 Field D.O. Probe. This high-quality probe is designed for accurate dissolved oxygen readings in various environments. Featuring a robust 7.6 m (25 ft) cable, it allows for flexibility and ease of use in the field. The durable construction ensures longevity, making it ideal for both professional and research applications. Whether you're monitoring water quality or conducting environmental studies, this accessory is essential for reliable data collection. Upgrade your oxygen meter with the YSI 5239-25 for precision and performance you can trust!