nsor DIP type is exposed to the atmosphere, do not allow flux to enter inside. 3. Cleaning 1) Since the pressure sensor chip is exposed to the atmosphere, do not allow cleaning fluid to enter inside. 2) Avoid ultrasonic cleaning since this may cause breaks or disconnections in the wiring. 4. Environment Consult with us before using or storing the pressure sensor chip in a place exposed to corrosive gases (such as the gases given off by organic sol.