This kit includes Testr, calibration buffer pouches (two each of pH 4.01, 7.00, 10.00 and rinse water), sample jar, and sturdy carrying case
Replaceable double junction electrode. Use Testr body many times over, which saves you money
Automatic Temperature Compensation (ATC)
Push-button three-point calibration
Never again watch your tester sink to the bottom of a tank or pond. The OAKTON WD-35634-70 Double Junction pHTestr10 floats! Unique double junction electrode design and increased reference gel volume give you significantly longer electrode life, especially in harsh applications. Automatic Temperature Compensation and three point push-button calibration provide high accuracy even under varying temperature conditions.