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

Product Specifications:

GroStar® Premium Pen Testers are designed specifically for the horticultural market. GroStar's intelligent design reduces the guesswork so you can easily manage your crops success.

Features of GS4 Premium pH Pen:

•  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 don’t 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 

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

Additional Resources and Information: