Premium 3-in-1 Water Quality Testing Pen – Precision & Reliability

High-Accuracy Multi-Parameter Testing
Measures pH, TDS, and temperature with laboratory-grade sensors for instant, reliable results. Features a high-resolution LCD screen with optional backlight for clear visibility in low-light conditions.
Durable & Portable Design
Constructed with reinforced ABS casing and a waterproof tip, ensuring longevity in harsh environments. Compact and lightweight for on-the-go testing in pools, aquariums, hydroponics, or outdoor water sources.
Factory-Direct Pricing
Exclusive bulk-order rates with no middlemen, offering unbeatable wholesale value. Ideal for commercial labs, agricultural suppliers, or resellers seeking high-demand testing tools at competitive costs.
User-Friendly & Low Maintenance
Auto-calibration function and replaceable batteries for hassle-free operation. No complex setup—ideal for both professionals and home users ensuring safe drinking water or optimal aquatic conditions.
Global Stock Availability
Ready for immediate dispatch with worldwide shipping options. Trusted by bulk buyers for consistent quality and rapid order fulfillment.