4-in-1 TDS • EC • Temperature | Accurate Water Purity Testing
Ensure clean, safe, and healthy water with this Digital TDS PPM Water Quality Tester Pen. Designed for quick and accurate testing, this compact device measures Total Dissolved Solids (TDS), Electrical Conductivity (EC), and Water Temperature, making it ideal for home, office, travel, and professional use.
Perfect for drinking water, aquariums, hydroponics, swimming pools, spas, and water filtration systems.
✔ 3-in-1 Multi-Function Tester
Accurately measures TDS (ppm), EC (µs/cm), and Temperature (°C/°F) in seconds.
✔ Wide Measurement Range
TDS: 0–9990 ppm
EC: 0–9990 µs/cm
Temperature: 0.1–80.0°C / 32–176°F
✔ Easy-to-Read LCD Display
Large digital screen with data hold function allows you to lock readings for easy recording.
✔ Factory Calibrated & Ready to Use
No setup required—automatic temperature compensation ensures reliable results.
✔ Portable & Lightweight Design
Pen-style tester fits easily in pockets or bags—ideal for home testing or travel.
✔ Auto Power-Off
Saves battery life by switching off automatically when not in use.
✔ Helps Protect Health & Save Money
Know when to change water filters and monitor water quality efficiently.
Product Type: Digital Water Quality Tester Pen
Functions: TDS / EC / Temperature
TDS Range: 0 – 9990 ppm
EC Range: 0 – 9990 µs/cm
Temperature Range: 0.1 – 80.0°C (32.0-176.0 F)