Introducing the CLEAN DO30 Dissolved Oxygen Meter! As a factory, we are proud to offer this state-of-the-art measuring instrument that guarantees accuracy and reliability. It features cutting-edge technology to precisely measure the dissolved oxygen level in water, ensuring optimal conditions for aquatic life. Easy to use and with a user-friendly interface, our DO30 meter is a must-have tool for environmental monitoring, aquaculture, and research purposes. Trust in our factory's commitment to quality and get your hands on this exceptional Dissolved Oxygen Meter today!