Enhance your oxygen measurement capabilities with the YSI 5239-25 Field D.O. Probe. This high-quality probe is designed for reliable performance in various field conditions. Featuring a robust 7.6 m (25 ft) cable, it allows for flexible positioning and easy access to hard-to-reach areas. The durable construction ensures longevity, while the precise sensor technology delivers accurate dissolved oxygen readings. Ideal for environmental monitoring, aquaculture, and water quality assessments, this accessory is a must-have for professionals seeking dependable results in their oxygen meter applications. Upgrade your toolkit with this essential probe today!