The Swan Chematest 35 combines both colorimetric measurements and electrode based pH capabilities. Covering a wide range of relevant parameters in one handheld device has never been easier than with the SWAN Chematest 35. The handy IP 67 waterproof design with removable cuvette adapter makes it the user-friendly companion for everyday operation in swimming pool applications, potable water treatments, pharmaceutical applications and food manufactures. Clear, plain-language prompts walk new users through tests; expert mode lets you quickly process your readings. Available in a convenient rugged case to hold the meter, reagents, and sensors and provide a work surface in the field or on the plant floor.