The Oakton WD3563415 pHTestr 50 has a replaceable double junction sensor for longer life, an expanded number of applications, and easy maintenance. Double-junction electrode sensor handles wastewater and solutions containing sulfides, heavy metals, and TRIS. Electrode sensor offers a clog-resistant Kynar junction and a recessed, glass pH bulb to protect against breakage. Valox sensor housing resists most chemicals.
The keypad of the WD-35634-15 clicks to confirm operation, and allows access to a variety of functions. Calibrate up to 3 pH points with the auto-buffer recognition at both USA and NIST standard buffers. Additional features include an automatic temperature compensation (ATC), hold function, auto-off function, self-diagnostic error messages, and a 3-segment battery-life indicator.