Bourdon tube manometer; Body, Front ring Stainless steel AISI 304; Connection, Measuring unit, Motion work Brass; Front glass Mineral glass; Ambient temperature -40...+60°C; Medium temperature Max. +60°C; Magnetic spring contact for open/close of electric circuits depending on pointer position; Diameter 100mm; Indicating range 0/250; Unit bar; Connection 1/2" Rear Eccentric; Class 1,0; Connector, Connection Rear