Professional 7-in-1 Water Quality Tester Pen
Precision testing for S.G., TDS, EC, pH, salinity, and temperature with high-accuracy sensors and auto-calibration. Durable ABS casing with waterproof design ensures reliability in harsh conditions.
Multi-Scene Application
Ideal for pools, drinking water, aquariums, hydroponics, and industrial use. Compact pen-style design allows on-the-go testing with instant LCD readouts.
Premium Build & User-Friendly
Features a replaceable electrode, low-battery indicator, and ergonomic grip. Lab-grade performance with ±0.01 pH resolution and 0-14 pH range.
Global Wholesale Advantage
Direct factory pricing, bulk discounts, and fast logistics—trusted by professionals worldwide for affordable, high-quality testing tools.