Key Features of 5920 7-in-1 Water Quality Tester Pen
Precision multi-function testing for TDS, EC, salinity, ORP, pH, and temperature with a compact, pen-style design. High-accuracy sensors deliver reliable results within ±2% for professional and home use. Durable ABS body with reinforced probe casing for long-term water resistance and drop protection. Automatic temperature compensation ensures stable readings in varying environments. Ideal for aquariums, hydroponics, pools, drinking water, and lab applications. One-touch calibration and auto-off function for effortless operation. Exclusive bulk pricing for wholesale buyers – global lowest price guaranteed. Direct factory supply ensures premium quality without middleman markups.