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: The only pocket meter that directly measures pH in 0.1ml sample (or 0.05ml sample with sampling sheet B). Unique sensor allows measurement of viscous liquids, solids, and even powder samples. No need for a beaker to calibrate your meter or...

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...