7-in-1 Pen-Style Water Quality Tester – Precision & Portability
Accurate multi-function testing for TDS, EC, pH, salinity, temperature, and ORP with a compact, pen-style design. Ideal for hydroponics, aquariums, drinking water, pools, and laboratories. Premium titanium alloy electrode ensures long-term durability and rapid response. Auto-calibration and waterproof construction for reliable field or lab use. Backlit LCD displays clear readings, even in low light. Includes a rugged carrying case for protection during travel or storage. Ideal for professionals and hobbyists demanding precision. Global wholesale pricing – bulk orders available with guaranteed lowest rates. Stock up for your business or organization today.