Precision Water Quality Tester Pen – Portable & Reliable
Accurate free chlorine detection with advanced sensor technology for tap water, pools, and aquariums. Features a high-resolution LCD screen for instant readings (0-10 ppm range) and auto-calibration for consistent performance. Durable ABS casing with IP67 waterproof rating, ensuring longevity in wet environments. Compact, lightweight design (only 50g) fits easily in pockets or toolkits for on-the-go testing. Ideal for homeowners, lab technicians, and environmental inspectors. Includes replaceable electrodes and low-battery indicator for hassle-free maintenance.
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