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

A lab-grade tool designed specifically for horticulture, this easy-to-use pen offers all the functionality you need. Quickly measure and calibrate pH, EC, Temperature, 500 PPM, and 700 PPM, all with one tool. Premium probe technologies and materials ensure high accuracy and durability with minimal maintenance.

Details:

• Measures pH, conductivity (EC and 500 PPM/700 PPM), and temperature
  
• Includes: pH 7 & pH 4 solutions (50 ml each), 2.77 EC (50 ml), KCL soaking solution (10 ml), lanyard, and user manual
• Replaceable probe
• IP67 waterproof rating
  
• Powered by AAA batteries with auto-off function
• Automatic temperature compensation
• 2-year warranty on pen, 1-year warranty on probe
• Compatible with all Apera GroStar probes