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Apera 20 Series Pocket Testers

Fast and accurate parameter testing and monitoring. The Apera 20 series economy models suit a wide range of applications.


Easy Auto. calibration; Auto. Temp. Compensation (ATC) ensures accuracy in variant temperatures (32-122˚F)

Apera’s proprietary pH sensor with low impedance greatly improves response speed

Auto. recognition of stable values improves consistency so you don’t have to guess when to manually hold measurement

Complete kit with ready-to-use calibration solutions, batteries, and a lanyard in a rugged carrying case

Up to 2000 hours’ operation, powered by AAA batteries