The PH-3508 is a popular, portable, 4-in-1 digital water quality tester that measures pH, Electrical Conductivity (EC), Total Dissolved Solids (TDS), and Temperature, featuring a large backlit LCD, automatic temperature compensation (ATC), and waterproof design for applications in aquariums, hydroponics, pools, and drinking water. It's known for being an affordable and easy-to-use tool for general water testing, offering quick results with high precision for various water systems.
Key Features & Specifications:
Measures: pH, EC (μS/cm, mS/cm), TDS (ppm, ppt), Temperature (°C).
Display: Large digital LCD with backlight for low-light conditions.
Accuracy: High precision, e.g., ±0.02pH, ±0.5°C.
Automatic Temp. Compensation (ATC): Yes, 0-50°C.
Calibration: Supports 2-point (e.g., 6.86, 4.01) or 1-point calibration.
Power: Uses 3 x 1.5V AG13 batteries.
Auto Shut-off: After 8 minutes.
Design: Portable, often waterproof.
Common Uses:
Hydroponics & Gardening.
Aquariums & Reef Tanks.
Swimming Pools & Spas.
Drinking Water Quality Testing.
How it Works (Basic Principle):
pH: Measures hydrogen ion activity (acidity/alkalinity).
EC/TDS: Measures the electrical current conductivity or dissolved solids in the water.
ATC: Adjusts readings for temperature changes, ensuring accuracy.
The PH-3508 is a versatile, budget-friendly instrument that simplifies monitoring water quality by combining four essential tests into one device
