This European Standard specifies requirements forBourdon tube (designated饰'B', see clause 12)indicating pressure gauges, vacuum gauges andcombined vacuum and pressure gauges (compoundgauges), with circular, spiral or coiled forms, from 40to 250 nominal size, and with ranges up to 1600 bar, forthe measurement of gauge pressure.
EN 837-1:1996 history
1996EN 837-1:1996 Pressure gauges - Part 1: Bourdon tube pressure gauges - Dimensions, metrology, requirements and testing