5-in-1 Water Quality Tester Pen – Premium Multi-Parameter Meter for Instant Analysis
Ultra-precise pen-style design measures temperature, pH, TDS, conductivity, and salt levels in seconds. High-quality ABS housing with reinforced probe tip ensures durability for field or lab use. Advanced auto-calibration and replaceable electrodes for long-term accuracy. Ideal for aquariums, hydroponics, drinking water tests, and industrial monitoring. Compact and waterproof with auto-off function. Includes a detailed manual and protective cap. Bulk discounts available for wholesale buyers.