glycerin manometer, bourdon tube manometer, safety version EN837-1 S3, break-proofed separating plate, blow-out back, body stainless steel, measuring unit, motion work stainless steel AISI 316Ti, front glass laminated safety glass, ambient temperature -20...+60°C, medium temperature max. +100°C, connection below, diameter 63mm, indicating range 0-6, unit bar, connection 1/4", class 1,6