SMART SENSOR 3 in 1 Water Quality Tester Pen for Aquarium Household Drinking Solution with ATC Function and Backlight

Features:
Test the COND(Conductivity) / TDS(Total Dissolved Solid) level and temperature(℃/℉) of water.
Pocket size, lightweight and portable with backlight large LCD display for clear and easy reading.
With replaceable sensor probe - The electrode probe can be replaced with insert type design for convenient and fast replacement.
ATC function (automatic temperature compensation) and automatic calibration.
Apply in water sources, soil-free growing, aquarium, hydroponics, laboratory, spas, environment water, swimming pools, water purification systems, etc.