The Testo Spare pH Probe pH1 is a high-quality replacement probe designed for accurate pH measurements in liquids. Ideal for applications in food safety, water quality testing, and laboratory analysis, this probe offers reliable results with a fast response time. Built with durable materials to withstand frequent use, it is compatible with selected Testo pH measuring instruments and is easy to replace, ensuring minimal downtime. With Testo’s precision engineering, the pH1 probe provides consistent accuracy, making it an essential tool for professionals who demand reliable pH monitoring in their work.