Compact Water Quality Meters

PH20 Value Pocket pH Tester Kit Easy auto. calibration with buffer recognition; auto. temp. compensation (ATC) ensures accuracy in various temperatures (32 to 122˚F) Backed by Apera quality pH sensor with low impedance, ensuring high response rate Comes...

Overview: Only compact meter to measure sodium ion to calculate into NaCl based salt concentration unlike the conductivity converted meters.Flat sensor technology and 60 years of sensor engineering realizes a reliable and direct measurement of a drop of...

Overview: Accurate pH measurements in a few seconds, from a single drop.* Water pH varies in different environments, and a slight change can often have a major effect. Whether you need to keep the pH of an aquarium within tight limits, are checking for...

The Apera Instruments EC20 tester is simply the most reliable conductivity (EC) tester with the best value for all kinds of regular EC testing, such as hydroponics, education, tap/drinking water, swimming pool, water treatment, etc. Up to 2 points of...