The 4-in-1 Digital pH Meter Pen is a versatile and accurate water quality tester designed to measure pH, TDS (ppm), EC (conductivity), and temperature in one compact device. Ideal for home, laboratory, hydroponics, aquariums, and industrial use, it delivers fast and reliable readings for a wide range of liquids.
Equipped with a high-sensitivity glass electrode and intelligent chip, this tester provides precise measurements with ±0.01 pH accuracy. It features automatic temperature compensation (ATC) to ensure stable results across varying conditions.
The built-in 3-point auto calibration system makes setup simple and accurate, while the backlit LCD screen ensures clear readings even in low-light environments. With its IP67 waterproof design, this meter is durable and suitable for both indoor and outdoor use.
Key Features
- 4-in-1 measurement: pH, TDS, EC & temperature
- High accuracy (±0.01 pH)
- Automatic 3-point calibration system
- Automatic temperature compensation (0–60°C)
- Backlit LCD display for easy reading
- IP67 waterproof and dustproof design
- Compact, portable, and easy to use
- Suitable for water, aquariums, pools, hydroponics & more
























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