Apera GroStar GS3 EC Pen

AI11030 - GroStar GS3 EC/PPM/Temp Pen Lab grade instruments designed specifically for growers! Includes:  • 2-year warranty (instrument) • 1-year warranty (probe) • 2.77 EC calibration solution, 50 ml bottle Features: • Measures conductivity EC, PPM (500), PPM (700) and temperature • Premium probe technologies and materials ensure high accuracy and durability with minimal maintenance • Titanium alloy sensor designed for high accuracy EC measurement • Easy-to-use design and fast calibration adjustment. • Large 3-color backlit screen gives you clear information • IP67 waterproof rating  • Replaceable probe • Powered by AAA batteries with auto off function • Automatic temperature compensation