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.
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Educational use only: Vernier products are designed for educational use. They are not appropriate for industrial, medical, or commercial applications. Product usage disclaimer »