ed 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 sulfides, 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 functio