Precision Water Measuring Pen PH Meter 0.01 PH Tester
High-accuracy pH testing with a resolution of 0.01 for professional or home use. Features a durable, corrosion-resistant electrode made from premium glass for long-lasting performance. Compact and portable design with an easy-to-read LCD screen for quick measurements. Perfect for hydroponics, aquariums, pools, laboratories, and drinking water testing. Auto-calibration ensures consistent results, while a temperature compensation function enhances reliability. Ideal for farmers, scientists, gardeners, and water quality inspectors. Bulk discounts available for wholesale buyers—stock up at the lowest global prices.