Accurate & Fast Water Testing
Premium TDS pen measures 0-9990ppm with ±2% high precision. Instant digital readout for quick water quality checks.
Durable & Portable Design
Features a corrosion-resistant titanium alloy probe and compact pen-type body for easy pocket storage.
Multi-Scenario Application
Ideal for testing tap water, aquariums, hydroponics, swimming pools, and RO-filtered water.
Auto-Calibration & Long Battery
Built-in auto-temperature compensation (0-80°C) and includes replaceable LR44 batteries for extended use.
One-Button Operation
Simple single-button interface with hold function to lock readings. Waterproof casing for splash resistance.
Bulk Discount Available
Wholesale pricing for large orders—perfect for retailers, labs, or commercial water treatment services.