The METTLER TOLEDO Conductivity Meter is high quality!Fast access to high quality data anytime, anywhere: Seven2Go Pro delivers high quality data to mobile users quickly with simplified menus, LED status indicators and uFocus measurement screens. Comfortable one-handed operation: Seven2Go's easy-to-reach hard-key buttons and stylish design ensure that it can be operated comfortably with one hand, even in humid conditions and under prolonged use. Rugged: Seven2Go Pro's IP67 design, sun-proof screen and rugged uGo carrying case ensure reliable data in demanding isolation environments. Simple menu - Intuitive operation: Seven2Go's intuitive menu guarantees any user right out of the box. Users no longer need to study lengthy operating instructions: T-pad - Comfort & Fast navigation: Seven2Go's new T-pad speeds up your ability to navigate menus. Smart key layout allows you to navigate faster and make actual measurements more efficient. ISM® -- Reduces error rate: When connecting any InLab ISM® (Intelligent Electrode Management System) electrode, the instrument automatically identifies the electrode with the storage electrode ID, serial number, and previous calibration data. IP67 - Waterproof and rugged design: The new Seven2Go is capable of withstanding harsh and demanding environments due to its IP67 protection rating and fall proof test. 12 languages - Concise and easy to learn and use: Seven2Go meters support 12 languages and have a full word user interface. Clarity not only simplifies operations, but also reduces user fatigue. Anti-glare screen - Avoid glare and loss of reading: the contrast of the screen increases in direct sunlight. This ensures that the screen is readable even in strong sunlight.