Apera GS4 Combo Pen Tester (Gen II)

Apera GroStar® Series GS4 5-in-1 Combo Pen (Gen II) is a premium tester designed specifically for growers to perform professional measurements of pH, EC, 500ppm, 700ppm, and temperature. GroStar's intelligent and grower-friendly design reduces the guesswork so you can easily manage the success of your crops.

Features

● The pH/EC combo probe is built with a double-junction pH sensor and titanium conductivity sensor, ensuring quick and reliable readings in the long run
● Easy-to-use design and quick 2-point automatic calibration with electrode condition display
● The 3-color backlit LCD screen gives you clear readings in different modes even in a dark environment
● TruRead measurement mode is available for taking measurements in multiple locations and automatically displaying the average, minimum, and maximum values of all the readings
● The probe is replaceable, so you don't have to discard the entire pen when the probe reaches its end-of-life

WHAT IS IN THE KIT?

● GS4 Pen with Probe
● pH 7, pH 4, 2.77 EC Calibration Solution (50ml bottle each)
● 3M KCL Storage Solution (10ml bottle)
● Lanyard & User Manual

Apera GS4 User Manual

Accessories