Apera GroStar GS4 pH/EC Combo Pen AI21040

AI21040 - GroStar GS4 pH/EC/500ppm/700ppm & Temp (5-in-1) Combo Pen

Lab grade instruments designed specifically for growers!

Includes: 
2-year warranty (instrument)
1-year warranty (probe)
pH 7 & pH4 calibration solution (50ml bottle each)
2.77 EC calibration solution (50ml bottle)
KCL storage solution (10ml bottle)
Lanyard and user manual

Features:
Measures pH, conductivity (EC and 500ppm/700ppm) and temperature (5-in-1)
Compatible with all GroStar replacement probes: pH, Soil pH, EC and PH/EC Combo
Premium probe technologies and materials ensure high accuracy and durability with minimal maintenance
Easy-to-use design and fast calibration adjustment
Double junction replaceable probe, so you dont have to discard the entire pen when the probe reaches its end of life
Large 3-color backlit screen gives you clear information
Durable structure, IP67 waterproof rating
Powered by AAA batteries with auto off function
Automatic temperature compensation