Professional Water Quality Tester Digital Pen – Precision & Reliability
Ultra-accurate pH measurement with high-resolution digital display for instant results. Durable ABS plastic body with reinforced electrode tip for long-term use. Automatic temperature compensation ensures consistent readings in varying conditions. Ideal for home aquariums, school labs, hydroponics, and food safety testing. Waterproof design with easy one-button calibration. Includes replaceable electrode cap and battery for low-maintenance operation. Compact pen-style design fits in pockets or toolkits for on-the-go testing. Backlit LCD screen allows clear visibility in low-light environments. Meets international quality standards for professional-grade accuracy. Perfect for bulk purchases – wholesale pricing available for schools, labs, and commercial use. Trusted by global suppliers for reliable performance at unbeatable value.