OAKTON pHTestr 10 [WD-35634-10] Waterproof Pocket pH Tester *DISCONTINUED SEE WD-35634-30*

Never again watch your tester sink to the bottom of a tank or pond, the Oakton WD-35634-10 Double Junction pHTestr 10 floats! Unique double junction electrode design and increased reference gel volume give you significantly longer electrode life, especially in harsh applications. The WD3563410 Tester has automatic temperature compensation and three point push-button calibration provide high accuracy even under varying temperature conditions.