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 122 F)