Precision pH Meter Pen for Water Quality Testing
Ultra-accurate digital pH tester with a high-resolution LCD display, delivering precise readings (0.01 pH resolution) for drinking water, aquariums, pools, and hydroponics. Durable titanium alloy electrode and advanced automatic temperature compensation (ATC) ensure long-lasting stability and reliable performance in various water conditions. Compact, lightweight pen-style design with a waterproof body, making it portable for home, lab, or outdoor use—ideal for health-conscious consumers and professionals. Simple one-button calibration (includes pH 4.0/7.0/10.0 buffer solutions) and auto-off function for energy efficiency. Backed by our global wholesale advantage—premium quality at unbeatable bulk pricing.