Pressure Sensor Sde3-V1Z-H-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=Differential Pressure, Measurement Method=Piezoresistive Pressure Sensor with Display, Festo