These convenient and portable pen-style pH meters are designed for fast and accurate pH measurements in any environment. Choose from three models to fit your application. Each unit includes a one-touch calibration feature at 3 points and a splash-proof rating to IP65. They fit comfortably in your hand and conveniently store away in your shirt pocket.

8681 - Choose this model for professional performance, durability and a great price. Auto temperature compensation ensures good accuracy. Dual display shows temperature and pH at the same time with accuracy to ±0.2pH.