The GroStar GS3 Pocket Tester has been specially developed for measuring conductivity in hydroponics. Its rugged design makes the meter ideal for use in your garden. Whether professional measurements or values for the hobby gardener, its high-precision components and ease of use will help you quickly find your way around and increase the efficiency of your plant growth.
- Premium electrode technologies and materials ensure high accuracy and durability with minimal maintenance
- Titanium alloy sensor designed for high accuracy EC measurement
- Easy to use design and quick calibration setting
- Intuitive operation, calibration completed within 15 seconds
- Switch between EC, 500ppm and 700ppm with One-Tap
- The three-color, backlit display gives you clear information: white for measurement, green for calibration, red for error messages
- IP67 waterproof protection class
- Replaceable probe
- Powered by AAA batteries
- Auto-off function
- Automatic temperature compensation
The GroStar GS3 Premium Pocket Tester has a 2-year manufacturer’s warranty (1 year on the electrode).









