3-in-1 Digital Water Tester (TDS, EC, Temp) – Apex Labs

Ensure the purity and safety of your water with the 3-in-1 Digital Water Tester. This versatile, professional-grade instrument combines three essential measurements—Total Dissolved Solids (TDS), Electrical Conductivity (EC), and Temperature—into one compact, handheld device. Equipped with an advanced microprocessor and high-quality titanium alloy probes, it delivers lightning-fast and highly accurate readings. Whether you are monitoring a reverse osmosis (RO) system, maintaining a hydroponic garden, or checking laboratory-grade distilled water, this meter provides the data you need at the touch of a button. The large backlit LCD screen and “Hold” function make it easy to record measurements even in challenging environments.
Technical Specifications
| Feature | Specification |
|---|---|
| TDS Range | 0 – 9990 ppm (Parts Per Million) |
| EC Range | 0 – 9990 µS/cm (Microsiemens Per Centimeter) |
| Temperature Range | 0.1 – 80.0°C / 32.0 – 176.0°F |
| Accuracy | ± 2% |
| Probe Material | Titanium Alloy |
| Battery | 1 x 3V CR2032 (included) |
| Modes | TDS (ppm), EC (µS/cm), Temp (°C/°F) |
Key Features
- 3-in-1 Multifunctionality: Measures TDS (0-9990 ppm), EC (0-9990 µS/cm), and Temperature (0.1-80.0°C / 32.0-176.0°F).
- Automatic Temperature Compensation (ATC): Automatically adjusts for temperature changes to ensure measurement consistency.
- High Precision: Built with a titanium alloy probe for high measuring accuracy and protection against magnetic interference in water.
- Backlit LCD Display: Features a clear, easy-to-read screen with a green backlight (TDS < 40) or red backlight (TDS > 40) for instant water quality assessment.
- Data Hold & Auto-Off: Lock readings for easy recording and preserve battery life with an automatic shut-off feature after 5 minutes of inactivity.
- Portable Design: Slim, lightweight pen-style body fits easily in your pocket or tool kit.
Applications
- Water Purification: Test the effectiveness of RO membranes and water filters.
- Hydroponics & Aquaponics: Monitor nutrient concentrations (EC) and water purity for optimal plant health.
- Aquariums & Pools: Maintain safe and balanced environments for fish and swimmers.
- Laboratory & Industrial: Ideal for checking boiler water, cooling towers, and laboratory reagents.
- Home Use: Check the quality of drinking water and tap water safety.











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