Oakton pHTestr 30 Waterproof pH Testr 30 Pocket Tester;

Waterproof phtestr 30 is great for outdoor applications such as taking pH measurements in lakes and streams. Designed to Float in water, you can even attach a line to the housing for easy retrieval. Valox sensor housing resists most chemicals. The phtestr 30 has a replaceable sensor for easy maintenance. Double-junction electrode sensor handles wastewater and solutions containing sulphides, heavy metals, and TRIS. Electrode sensor offers a clog-resistant Kynar junction and a recessed, glass pH bulb to protect against breakage. The keypad clicks to confirm operation, and allows access to a variety of functions. Calibrate up to three pH points with the auto-buffer recognition at both USA and NIST standard buffers. Additional features include a automatic temperature compensation (ATC), hold function, Auto-off function, self-diagnostic error messages, and a three-segment battery-life indicator. Meter includes: protective plastic storage case, lanyard, and batteries. Versatile, compact design works in a field or laboratory setting 0.01 pH accuracy along with dual pH and selectable C or F temperature display a complete meter with key features at an economical price replaceable, double-junction electrode sensors save time and money IP67-rated housing sits flat on the table and Floats in water