pH Stick meter, Pen type acidometer Tester, Range:2.1-10.8pH waterproof ATC Accuracy 0.1pH Replaceable pH probe

The ph stick features an easy-to-read illuminated display, one-touch calibration, and Automatic Temperature Compensation (ATC).

Main Features:

1.Fully waterproof
2.Auto turn on and off
3.Auto temperature compensation
4.No external knobs or switches
5.One-Touch Calibration System
6.Replaceable pH probe