Please refer to the cleaning instructions from the each hardware manual as shown below:

Cleaning Safety Precautions When Cleaning

WARNING Only use a damp cloth with mild soap and water or isopropyl alcohol to clean the bottom of the Sensors. Do not immerse Sensors in any water or liquid. Cleaning by Users For sanitary purposes, it is advisable to clean the bottom of the Sensors on a regular basis. The Sensors can be cleaned with a cloth slightly dampened with a solution of mild soap and water or isopropyl alcohol. The Sensors are not constructed to withstand repeated application of any disinfectant solution. Likewise, the Sensors are not warranted against exposure to any of the conventional forms of sterilization. Users wishing to utilize this equipment in a sterile environment, such as an operating theater, should consult Noraxon for other options.