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Returns will be accepted for up to 10 days of Customer’s receipt or tracking number on unworn items. You, as a Customer, are obliged to inform us via email before you return the item.

Otherwise, standard shipping charges apply. Check out our delivery Terms & Conditions for more details.

1. Dissolved oxygen detector with a plastic shell, which is durable and corrosion-resistant

2. Equipped with dots type backlit LCD display, easy to measure and use

3. Using factory dissolved oxygen electrode, the measuring range of dissolved oxygen is 0-19.9mg/L

4. Support automatic temperature compensation and quick response, high measurement accuracy

5. Portable design, small size, widely used in aquaculture, sewage treatment, aquarium, laboratories, etc.