R-tek Digital pH Meter & Temperature Tester

The R-tek Digital pH Meter is a compact, pen-style testing device designed to accurately measure the acidity or alkalinity of liquids. Ideal for aquariums, drinking water, hydroponics, pools, and laboratories, it provides quick and reliable pH readings with high precision. Equipped with an easy-to-read LCD display and simple calibration buttons, this digital meter ensures effortless operation for both beginners and professionals.