5-in-1 Multi-Function Tester Pen – Precision Water Quality Analysis in Seconds

Ultimate Water Testing
– Measure pH, TDS, EC, salinity, and temperature with a single pen-style device for instant, accurate results in pools, aquariums, hydroponics, or drinking water.
High-Sensitivity Probes
– Features corrosion-resistant titanium alloy electrodes and advanced chip calibration for stable readings (±0.01 pH, ±2% TDS accuracy).
Portable & Durable
– Sleek IP65 waterproof design with a scratch-resistant ABS casing, fits in pockets for on-site testing in labs, farms, or outdoor trips.
One-Click Calibration
– Auto-temperature compensation and replaceable batteries ensure long-term reliability.
Global Compliance
– CE/RoHS certified, ideal for commercial bulk purchases, eco-friendly packaging.
Lowest Price Guaranteed
– Direct factory wholesale, no middlemen. Stock up for your water-testing business or large-scale projects.