The GroStar GS3 Conductivity Pocket Meter is specifically designed for measuring conductivity in hydroponics, making it the perfect tool for both professional and hobbyist gardeners. Its rugged design and high-precision components ensure reliable use in any garden environment, helping to increase the efficiency of your plant growth.
The GS3 features a titanium alloy sensor designed for high accuracy in EC (Electrical Conductivity) measurements. With intuitive operation and fast calibration adjustments, the meter allows you to complete calibration in just 15 seconds. The large 3-color backlit display provides clear information, with white for measurements, green for calibration, and red for error messages.
With the ability to switch between EC, 500ppm, and 700ppm with just one tap, the GS3 offers quick and easy conductivity measurement. The meter is powered by AAA batteries and includes an auto-off function to conserve power. The IP67 waterproof protection ensures durability and reliability even in outdoor settings.
Key Features:
✔ Premium Electrode Technology – High accuracy and durability with minimal maintenance
✔ Titanium Alloy Sensor – Designed for precise EC measurement
✔ One-Tap Mode Switching – Switch between EC, 500ppm, and 700ppm with ease
✔ Fast Calibration – Completes calibration in just 15 seconds
✔ 3-Color Backlit Display – White for measurements, green for calibration, red for errors
✔ IP67 Waterproof Protection – Durable, water-resistant design
✔ Replaceable Probe – Long-lasting and easy to replace
✔ Automatic Temperature Compensation – Reliable results in varying temperatures
✔ Powered by AAA Batteries – Includes auto-off function to save battery
✔ Warranty – 2 years on the meter, 1 year on the electrode
A complete set contains:
✔ GS3 Premium EC Pen Tester
✔ 2.77 EC Standard Calibration Solution (50ml bottle)
✔ Lanyard
✔ Manual
| Conductivity | |
| Accuracy | ±0.1EC ±30ppm (500ppm) ±40ppm (700ppm) |
|---|---|
| Calibration | 1 point (2.77EC) |
| Measuring Range | 0 to 10.0 EC, 0 to 7000ppm (700ppm), 0 to 5000ppm (500ppm) |
| Resolution | 0.1EC, 10ppm (700ppm), 10ppm (500ppm) |
| Unit | EC/500ppm/700ppm, °F, °C |
| Temperature | |
| Accuracy | ±1°C/±1°F |
| Compensation | Automatically |
| Resolution | 0.1°F/0.1°C |
| Measuring Range | 0 to 50°C (32 to 122°F) |
| General Specifications | |
| Backlight | Backlight White (measurement); Green (Calibration); Red (error) |
| Dimensions | 40×40×178 mm (with box 275×135×45 mm) |
| IP Rating | IP67 (waterproof and floatable) |
| Power Supply | 4 × AAA batteries |
| Weight | 133 g (with box 330g) |
Everything is perfect. I would recommend!
