Portable Digital Pen Multi Parameter Probe Water Quality Tester

Portable Digital Pen Multi Parameter Probe Water Quality Tester. 4-in-1 Multifunctional Testing: Integrates pH, TDS, EC, and temperature measurement in one compact pen-style device. IP65 Waterproof Design: Durable waterproof construction ensures reliable performance in various water testing scenarios. CE Certified Quality: Meets EU safety, health, and environmental protection standards for global market compliance. Easy One-Key Operation: Plug-and-play design with auto-shutoff function saves power and simplifies usage for all users. Backlit HD LCD Display: Clear reading even in low-light environments with high-definition backlight screen. OEM/ODM Customization: Supports logo and packaging custom printing to help build your brand with competitive advantages. 1-Year Warranty Service: Comprehensive warranty covering free maintenance and part replacement for manufacturing defects.