1. Accuracy and stability: Dissolved oxygen detector. Accurately measures the content and temperature of dissolved oxygen in aqueous solutions. Features automatic temperature compensation for 0 40��, ensuring precise and stable readings. 2. Easy to read: Compact design. The backlit digital display provides clear and convenient data reading, with an easytoread LCD screen. The removable probe allows for effortless cleaning and replacement. 3. Fast Response: Portable dissolved oxygen meter. Delivers quick and accurate test results for any liquid. precision, rapid response, and instant detection, suitable for liquids ranging from 0.0 40.0 mg/L. 4. Find the cleanest water: Small pinshaped design, lightweight and easy to carry, enabling water testing anywhere to obtain the purest water. Ideal for freshwater aquaculture, marine aquaculture, swimming pools, beverage factories, sewage treatment plants, and laboratories.