Versatile Measurement : Experience the convenience of our Digital Multi-Function Meter that allows for accurate Salinity percent and ppm Measurement across various environments. Hydroponics and Aquarium Testing : Perfect for enthusiasts and professionals alike, our tester ensures reliable readings in hydroponics, aquariums, and more. Temperature Compensation : Benefit from precise measurements with automatic temperature compensation, ensuring consistency in your readings. Compact Design : The pen-shaped, small and lightweight design makes it easy to carry and use anytime, anywhere. Professional Testing : Ideal for professional testing scenarios, offering reliable results for a variety of applications. Introducing our Digital Multi-Function Meter, a must-have tool for any hydroponics enthusiast or aquarium lover. With its advanced features, including waterproof design and replaceable electrodes, you'll enjoy accurate and dependable readings every time. Say goodbye to guesswork and hello to precise Salinity percent and ppm Measurement. Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.