Apera Instruments Value Series - PH20 - Pocket pH Test pH Meter Kit

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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 respons e 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 Show more