APERA INSTRUMENTS AI209-T Value Series PH20 pH Tester Combo Kit, including the Maintenance Set, and a CalPod Solution Holder for Easy Calibration

The top-rated pH tester now comes with a complete CALIBRATION and PROBE CARE Combo Kit, ensuring reliable test performance, Comes with a probe cleaning brush for easy removal of contaminants on probes, maximizing probe's life-span, Comes with Apera's unique CalBox, heping you organize all the solutions and save cost on buffers by at least 50%, Apera quality pH sensor with low impedance, greatly improving response speed and shorteninb stablizing process, Easy auto. calibration with buffer recognition; auto. temp. compensation (ATC) ensures accuracy in various temperatures (32 to 122ËšF)