Portable Water Quality Tester Pen – 5-in-1 Multi-Function Monitor
Precision-engineered with a high-sensitivity sensor for instant, accurate readings of TDS, EC, pH, salinity, and temperature. Features a durable ABS casing with reinforced waterproof seals for rugged outdoor use. Advanced LCD display with auto-calibration ensures lab-grade reliability. Ideal for hydroponics, aquariums, pools, home brewing, and industrial water testing. Compact, lightweight design fits in pockets for on-the-go testing. Powered by replaceable batteries with energy-saving auto-shutoff. Exclusive bulk pricing for wholesalers – global shipping with no minimum order. Trusted supplier with guaranteed lowest rates.