Precision PH Test Pen for Accurate Water Quality Analysis
High-sensitivity glass electrode ensures ±0.01 pH accuracy with automatic temperature compensation (ATC) for reliable readings in varied environments. Durable titanium alloy probe resists corrosion and extends lifespan for repeated use. Compact IP67 waterproof design ideal for hydroponics, aquariums, pools, labs, and industrial wastewater testing. Features one-button calibration with 3-point buffers (4.0/6.86/9.18) for versatile applications. Backlit LCD displays pH/Temperature simultaneously. Includes 2x AAA batteries and protective cap for portability. ISO-certified for professional and home use. Bulk discounts available for wholesale orders.