Pressure sensor SDE3-V1S-B-HQ4-2P-M8 For vacuum with M8 plug version. Authorisation=(* RCM Mark, * c UL us - Recognized (OL)), CE mark (see declaration of conformity)=to EU directive for EMC, Materials note=(* Free of copper and PTFE, * Conforms to RoHS), Measured variable=Relative pressure, Measurement method=Piezoresistive pressure sensor with display