Oakton® Waterproof EcoTestr pH 1
Oakton® Ecotestr pH 1
Economical, pocket sized meter. Waterproof, dust proof housing that floats. Easy to use; push-button calibration with auto buffer recognition. Includes transparent electrode cover/sample cup. Push-button calibration, HOLD function and error messages. Range: 0.0 to 14.0 pH. Power: four 1.5 Volt button cell batteries (included).