Apera Instruments GroStar GS4 pH/EC/ppm Combo Pen Tester (Gen II) is a lab-grade multiparameter meter designed specifically for growers to simply manage crop success, featuring a replaceable pH/conductivity combo sensor and a grower-friendly workflow along side other intelligent functions and features that lend a hand scale back the guesswork and provide the confidence in each and every measurement.
Lab-grade instrument designed specifically to satisfy growers’ needs and habits
Measures pH, EC, 700ppm, 500ppm, and temperature with premium probe technologies, ensuring high accuracy and durability with minimal maintenance
Grower-friendly calibration workflow on an HD backlit screen lets you finish 2-point calibration within a minute
Replaceable combo probe with double junction pH sensor and titanium EC sensor
Electrode condition indicator and calibration reminder serve as let you perform proper maintenance in a breeze