The GroStar™ GS4-E Electrode is a high-performance replacement electrode for the GroStar™ GS4 pH/Conductivity Pen Tester. This versatile electrode measures pH, conductivity (EC, 500ppm, 700ppm), and temperature, providing an all-in-one solution for your water quality testing needs.

The pH sensor is equipped with a lithium glass membrane and a double diaphragm, ensuring exceptional durability and precise pH measurements, even in challenging conditions. The titanium alloy conductivity sensor offers high measuring accuracy and reliability, making it ideal for quick and reliable conductivity testing.

This electrode can be easily attached to your GroStar™ GS4 meter without the need for additional tools, providing a convenient and efficient solution for professional and hobbyist gardeners.

Key Features:

✔ Measures pH, Conductivity (EC, 500ppm, 700ppm), and Temperature – Comprehensive testing for a wide range of water quality parameters
✔ Lithium Glass Membrane pH Sensor – Durable and accurate pH measurements
✔ Double Diaphragm pH Design – Ensures longevity and precise readings
✔ Titanium Alloy Conductivity Sensor – High accuracy and reliability for conductivity testing
✔ Quick Attachment – Easily connects without the need for additional tools
✔ Compatible with GS4 – Designed for use with the GroStar™ GS4 Pen Tester
✔ Warranty – 12 months on the electrode