Introducing our Online Optical Dissolved Oxygen Meter, the perfect tool for measuring dissolved oxygen levels in liquids with extreme accuracy. As a factory, we take pride in manufacturing this highly reliable and efficient product that caters to various industries such as wastewater treatment, food processing, and more. Our meter features advanced optical technology that eliminates interference from external light sources, providing precise readings even in harsh environments. Its user-friendly interface and robust construction make it easy to install and maintain. Trust us to deliver the best quality product that exceeds your expectations.