Factory Direct 4-in-1 Water Quality Detection Pen – H2 Hydrogen Meter & pH Tester

Multifunctional Precision
– Simultaneously measures pH, hydrogen (H2) levels, TDS, and temperature with high-accuracy sensors for comprehensive water analysis.
Premium Build & Durability
– Features a corrosion-resistant titanium alloy probe and IP67 waterproof casing for reliable use in demanding environments.
Instant On-Site Testing
– Ideal for home aquariums, hydroponics, lab research, and outdoor activities like camping or pool maintenance with one-touch calibration.
Factory Direct Pricing
– Exclusive bulk-order savings with no middlemen, ensuring unbeatable wholesale rates for global distributors.
User-Centric Design
– Compact, lightweight (95g), and backed by auto-lock data hold function for effortless single-handed operation.