Introducing our Clean FCL30 Portable Residual Chlorine Test Instrument! As a factory dedicated to producing high-quality testing equipment, we assure you of its reliability and accuracy. This innovative instrument is designed to measure residual chlorine in water effortlessly. Its portable nature ensures convenient on-site testing, making it ideal for various applications. With a user-friendly interface, this instrument guarantees easy operation and quick results. Trust in our factory for top-notch products like the Clean FCL30 Portable Residual Chlorine Test Instrument to meet all your testing needs efficiently and effectively.