5-year limited warranty
The light shield is designed to be used when investigating photosynthesis (e.g., aquatic plants) in a laboratory setting. Artificial light sources can interfere with the the Optical DO Probe, as it uses fluorescent technology to measure dissolved oxygen. The light shield blocks light from interfering with the sensor cap.
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.