DO NOT use alcohol, organic solvents, abrasives, or strong detergents to
clean the diffusor element on LI-COR light sensors.
The acrylic material used in LI-COR light sensors can be crazed by
exposure to alcohol or organic solvents, which will adversely affect the
cosine response of the sensor.
Clean the sensor only with water and/or a mild detergent such as
dishwashing soap. LI-COR has found that vinegar can also be used to
remove hard water deposits from the diffusor element, if necessa