Collection: Ohaus Pen Meters

Ohaus Pen Meters are compact, portable devices designed for precise measurement of pH, conductivity, dissolved oxygen, and other key water quality parameters. Ideal for fieldwork, laboratory use, and educational purposes, these meters offer accuracy and ease of use in a durable, handheld format. Their simplicity and reliability make them essential tools for environmental science, aquaculture, water treatment, and general research, providing professionals and students with the capabilities needed for immediate, on-site analysis.