Description
The GroStar GS3 pocket meter is specially designed for measuring conductivity for 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 fast calibration adjustment.
- Intuitive operation, completing calibration within 15 seconds. Switch between EC, 500ppm and 700ppm with One-Tap.
- Large 3-color backlight screen gives you clear information: white for measurement, green for calibration, red for error messages.
- IP67 waterproof protection class
- Replaceable probe
- Powered by AAA batteries with auto-off function
- Automatic temperature compensation
Technical Specifications:
| Conductivity (EC) | Measuring range | 0 to 10.0 EC, 0 to 7000ppm (700ppm), 0 to 5000ppm (500ppm), |
| Resolution | 0.1EC, 10ppm (700ppm), 10ppm (500ppm), | |
| Accuracy | ±0.1EC ±30ppm (500ppm) ±40ppm (700ppm) | |
| Calibration | 1 point (2.77EC) | |
| Unit | EC/500ppm/700ppm, °F, °C | |
| Temperature | Measuring range | 0 to 50°C (32 to 122°F) |
| Resolution | 0.1°F/0.1°C | |
| Accuracy | ±1°C/±1°F | |
| Compensation | Automatically | |
| more | Backlight | Backlight White (measurement); Green (Calibration); Red (error) |
| Power supply | 4 × AAA batteries | |
| IP rating | IP67 (waterproof and floatable) | |
| Dimensions | 40×40×178 mm (with box 275×135×45 mm) | |
| Weight | 133 g (with box 330g) |
A complete set contains:
- GS3 Premium EC Pen Tester
- 2.77 EC Standard Calibration Solution (50ml bottle)
- Lanyard
- Manual
The GroStar GS3 Premium pocket meter has a 2-year manufacturer's warranty (1 year on the electrode).
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Questions about GroStar™ GS3 EC/TDS Pocket Tester
What is this article?
GroStar™ GS3 EC/TDS Pocket Tester is the article on this page. Luminix Health distributes APERA Instruments for laboratory use. It sits in Conductivity meters & cells, inside pH & electrochemistry, in Lab instruments.
A conductivity meter and its cell measure how well a solution carries current. The cell constant is the geometry that converts conductance to conductivity, and it is calibrated with a standard. Temperature compensation matters because conductivity rises with temperature.
A pH meter is a voltmeter on a glass electrode. The voltage tracks hydrogen-ion activity, and the electrode is converted to pH only after it is adjusted with buffers of known value. Conductivity measures how well a solution carries a current, which for dilute salts tracks concentration. Dissolved oxygen and titration are further electrodes on the same idea: a sensor, a standard, and a reading that is only as fresh as the calibration. Buffer values and chemical identity sit on PubChem. Accreditation of the calibration laboratory is the field of BELAC and EURAMET.
Which category should I open next?
The category is pH & electrochemistry. The sub-category is Conductivity meters & cells. The catalogue is Lab instruments.
Shelves beside this one are pH electrodes & sensors, pH meters, Dissolved oxygen & multiparameter meters, Titrators & electrochemistry systems and pH & electrochemistry accessories.
What should I check before I order?
When this page shows a safety data sheet, use that manufacturer file. Hazard text does not belong in the sales description. For a pack size, a grade or a certificate that is not on the page, send a quote request or contact the team.
How does ordering and shipping work?
Luminix Health distributes this article from the heart of Europe. Articles in stock ship within 2–5 business days. Standard delivery is free from €250 excl. VAT. Cold-chain goods and dangerous goods under ADR are never included in that free delivery. The terms are in the Shipping Policy. The full brand index is on shop by brand. Who we are is on about us.
Which other categories should I open?
The seven catalogues are Labware, Lab chemicals, Lab instruments, Lab consumables, Chromatography equipment, Lab safety equipment and Life Science & Microbiology.