Up to 3 points of auto. recognition and auto. With a clear large screen it supports dual display of Temp. IP67 waterproof and dustproof. Apera quality pH sensor with low impedance greatly improving response speed and shorteninb stablizing process.
Apera Instruments LLC Apera AI209-T PH20 Value PH Tester Combo Kit with 8oz Calibration Buffers
$37.55