Apera Instruments GroStar GS3 EC Pen

GroStar Product Documents GroStar pH 4 Solution SDS GroStar pH 7 Solution SDS GroStar pH 10 Solution SDS GroStar ORP Storage Solution SDS Lab grade instruments designed specifically for growers! The GS3 EC Pen includes: 2.77 EC calibration solution (50 ml bottle) 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 Durable structure, IP67 waterproof Replaceable Probe Powered by AAA batteries with auto off function Automatic temperature compensation 2-year warranty on pen, 1-year warranty on probe