For all orders exceeding a value of 100USD shipping is offered for free.

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.

Portable Design: Handheld pen and compact carrying case, easy to put in your pocket or bag and take anywhere.

LCD Digital Display: The instrument adopts a dot matrix LCD display, which can display the dissolved oxygen value and temperature.

Features: Automatic temperature compensation, quick response time, portable and easy to carry.

High Performance: The instrument can be divided into two parts: sensor and electronic unit. Coated oxygen electrodes are used in polarographic film sensors.

Multipurpose: Can be used for measurements such as aquaculture, biological response, environmental testing (lakes, streams, oceans), water and wastewater treatment, wine production.