5-in-1 Digital Water Quality Tester Pen – Precision Meets Portability

Multi-Function Mastery
Simultaneously test TEMP, ORP, EC, TDS, and pH with lab-grade accuracy in seconds. Ideal for hydroponics, aquariums, pools, or home brewing—ensuring optimal water conditions effortlessly.
Premium Build & Intuitive Design
Features a durable, waterproof ABS casing with a crisp backlit LCD for low-light readability. Ergonomic pen-style design fits in your pocket, perfect for on-site testing by professionals or hobbyists.
Smart Calibration & Longevity
Pre-calibrated for instant use with replaceable sensors. Auto-temperature compensation ensures reliable readings across environments, backed by a energy-efficient design for extended field use.
Unbeatable Value for Bulk Buyers
Wholesale pricing without compromising quality—stock up for commercial labs, educational institutes, or resale with confidence. Globally sourced, rigorously tested, and ready to ship in bulk.