Pe Converter Pen-M5 Pneumatic/Electrical Signal Converter, Selector Switch for Pressure, Vacuum and Differential Pressure, On 2N Sub-Base. Authorisation=Rcm Mark, 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=Pneu./Elect. Differential Pressure Switch, Festo