5520 Secor Road
Toledo, OH, 43623
(419) 725-2450

Mon–Fri: 9AM–7PM | Sat: 10AM–6PM | Sun: 12PM–5PM

(419) 725-2450

5520 Secor Road
Toledo, OH, 43623

Mon – Fri: 9AM – 8PM | Sat : 9AM – 7PM
Sun : 10AM – 6PM

Our Low Price

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

In stock

$138.99

EAN: 810214031604 SKU: AI21040 Category:
  • Brand: Not Available

Apera GroStar GS4 pH/EC Combo Pen

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 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 

Additional information

Weight0.8 lbs
Dimensions5.3 × 10 × 1.8 in
Barcode

810214031604

UOM

EA

Brand