Digital pH meter for water, measuring range from 0.1 to 14.0, automatic calibration, pocket-sized for drinking water, swimming pools, aquariums, and culture

【Automatic Temperature Compensation】 - The advanced Automatic Temperature Compensation (ATC) technology built into this pH meter ensures your readings remain accurate and stable, even when temperatures fluctuate. Ideal for environments such as aquariums, swimming pools, or gardening setups where the temperature varies.

Quick Calibration & Easy Use: Calibrating your pH pen couldn't be easier. Simply dip the probe into your calibration solution and press the "CAL" button - no extra tools or complicated steps required. It's easy to use for both beginners and experienced users.

Compact, Lightweight, and Portable Design: Take this compact water tester wherever you go. Its lightweight, pen-style design fits comfortably in your pocket or bag, making it perfect for on-the-go testing at home, in the garden, at the beach, while camping, or in any travel situation.