Precision LCD Digital pH Pen Tester
Ultra-accurate pH measurement with 0.01 resolution for water quality testing. High-grade ABS body with reinforced glass electrode for durability and long-term use. Auto temperature compensation ensures reliable readings in varying conditions. Compact and portable design fits in pockets for on-the-go testing. Ideal for aquariums, hydroponics, pools, drinking water, and laboratories. Simple one-button calibration with included buffer powders. Waterproof construction resists splashes and spills. Large backlit LCD screen for clear visibility in low light. Ships pre-calibrated for immediate use. Bulk discounts available for wholesale buyers.