ZVD - Digital ph Meter, Water Quality Test Pen, Chlorine Level Meter, Portable Residual Chlorine Tester, Water Quality Detection Meter for Swimming

Residual Chlorine Tester: High accuracy, stable and reliable performance. A very essential tool for swimming pool and spa, ideal for simple operations to test the PH and CL2 of water. Feature: High quality material, not easy to break and durable to use. This digital pH meter features high accuracy, stable measurement, high reliability and excellent performance. QUALITY GUARANTEE: If your water quality meter is broken or you have any defect, please feel free to contact our customer service team, they will serve you enthusiastically. EASY TO USE AND OPERATE: Compact structure, lightweight and portable, easy to carry and convenient for indoor and outdoor use. Easy to use and operate, just insert the probe into the liquid and press the button to test the pH. LIGHTWEIGHT: Easy to operate and read the numbers, convenient to use. Lightweight and small size, the portable water quality tester is portable to carry. Feature: 1. High-precision, stable and reliable performance, small size,