this meter delivers lab-quality accuracy in a rugged

and other pH meters requiring pH 4

5°C (±1°C outside) | ±1°F (±2°F outside)

LBS-10S LeakBlock Sensor with latching valve

5V LR44 button cell batteries included

Milwaukee CD611 Digital Conductivity Pen - EC Meter for Water Quality Testing made in Canada this meter delivers lab-quality accuracyMilwaukee CD611 Digital Conductivity Pen Precision EC Measurement The Milwaukee CD611 Digital Conductivity Pen is a compact, portable EC (electrical conductivity) meter designed for fast, accurate water quality testing in hydroponics, pool maintenance, aquariums, food & beverage production, and water treatment applications. This handheld pen combines lab grade accuracy with field ready convenience, making it ideal for professionals and enthusiasts who