This is a replacement membrane cap for a Dissolved Oxygen Probe. The membranes on DO Probes have a limited lifespan, the duration of which varies with frequency and care of use. One extra membrane cap is included with the DO Sensor.
Educational use only: Vernier products are designed for educational use. They are not appropriate for industrial, medical, or commercial applications.
* AP and Advanced Placement Program are registered trademarks of the College Entrance Examination Board, which was not involved in the production of and does not endorse this product.
** The IB Diploma Program is an official program of the International Baccalaureate Organization (IBO) which authorizes schools to offer it. The material available here has been developed independently of the IBO and is not endorsed by it.