Bourdon tube manometer; Body Sheet steel; Measuring unit, Motion work Copper based alloy; Front glass Acryl; Ambient temperature -20...+60°C; Medium temperature Max. +60°C; Connection Rear; Class 1,6; Diameter 63mm; Indicating range -1/0,6; Unit bar; Connection 1/4"; Red area -1…-0,25 bar, Green area -0,25…+0,6 bar