Pressure sensor SDE1-V1-G2-HQ4-C-P2-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=(* Differential pressure, * Relative pressure), Measurement method=Piezoresistive pressure sensor with display