Multi Functional Water Testing Pen – Premium Quality, Accurate & Versatile

High-Precision Sensors
– Advanced pH, EC, and TDS sensors ensure lab-grade accuracy for reliable water quality analysis.
Durable & Portable Design
– Premium ABS housing with a sleek, waterproof construction for long-lasting performance in labs, pools, or outdoor use.
Instant Multi-Parameter Testing
– Measures pH (0-14), EC (0-9990 µS/cm), and TDS (0-9990 ppm) with auto-calibration for effortless operation.
Wide Application Scenarios
– Ideal for hydroponics, aquariums, drinking water testing, swimming pools, and industrial water monitoring.
User-Friendly & Efficient
– Large LCD screen, one-button operation, and auto-off function for hassle-free testing and energy saving.
Global Wholesale Advantage
– Direct factory pricing, bulk discounts, and fast shipping for businesses and large-scale buyers.