AD11 is the most advanced microprocessor-based Waterproof pH/Temp pocket tester on the market.

Fast, stable, and precise, these testers are for users that require great accuracy. Simple user-replaceable pH/Temp probe: just unscrew the plastic ring on the top of the electrode and replace it with a new one!

2 rows display LCD (reads both pH and temperature measurements) and a built-in HOLD function that freezes the display for easy and accurate recording. Other features such as stability indicators, automatic calibration, and automatic temperature compensation make these waterproof pocket testers a must-have in a variety of industries. The modular design allows replacing the electrode in a fast and simple way.