Selecting a Pressure Gauge per EN 837: Range, Accuracy Class, Nominal Size and Accessories
· 4 min read
The Bourdon tube gauge is the most common pressure instrument in plant engineering and maintenance. Selection mistakes rarely show immediately – they appear as trembling pointers, permanent zero shifts or a burst measuring element. This post summarises the selection rules of the EN 837 series and works through an example.
A German version of this article is available — switch the language to Deutsch.