YSI EcoSense OSO200 Dissolved Oxygen & Temperature Instrument (NXQ53)

YSI EcoSense OSO200 dissolved oxygen and temperature instrument, model OSO200. A useful addition for water quality testing, environmental monitoring, and laboratory equipment needs.

Used surplus equipment, untested. Sold as shown; internal case foam is breaking up. Functionality is not guaranteed, making this a potential repair or parts unit. Please review the condition details before purchase.

COMES AS SHOWN! No means to test. The foam is breaking up inside the case.

We can combine shipping on multiple orders. When going through the purchase process you should have the option to request an invoice. We can update the invoice then or contact us and we can provide another option. Thank you.

1. We are surplus equipment dealers and do not have the ability or knowledge to test equipment for functionality beyond plugging it in and describing what we observe as best we can.

2 You are purchasing used equipment – most is untested as stated in our description. Please reach out to us directly if there is a problem. We are quick to respond and resolve. NO REFUNDS OR RETURNS are given for parts/repair items or freight items. Used items have a 30-day return.

3. We have no knowledge of the history of the equipment.

4. We do not have power cords to provide unless they are attached to the item or unless stated that they are provided. If one is pictured it is for testing purposes only unless it is attached or stated that it will be included.

Nov 2026