5-in-1 High Precision Water Quality Tester Pen
Ultra-accurate measurements for pH, TDS, EC, salinity, and temperature with advanced sensor technology. Features a premium titanium alloy probe for long-lasting durability and rapid response. Designed for professionals and home users—ideal for testing drinking water, aquariums, hydroponics, and pool maintenance. Auto-calibration ensures consistent accuracy with minimal maintenance. Compact, waterproof, and ergonomic for one-handed operation. Includes a clear LCD display with backlight for low-light conditions. Ships in protective storage case to safeguard sensitive components. Bulk order discounts available—wholesale pricing for resellers and large-scale projects. Direct factory supply guarantees the lowest market price without compromising quality.