KROHNE H250 M40 ATEX II3G Ex nA EN - Manual (Page 5)

DEVICE DESCRIPTION
2
5
H250 M40
www.krohne.com 01/2012 - 4001485201- MA H250/M40-Ex-II3G-AD R01 en
2.3 Marking
Type designation of the complete unit is shown on the indicator with the nameplates reproduced
below (see also description code).
Additional markings on the housing cover:
• SN - serial number
• SO - sales order / item
• PA - order
• Vxxx - product configurator code
• AC - article code
Additional plate
The association of the housing cover to the device is confirmed by an additional plate with the
serial number on the interior of the indicator part.
Figure 2-1: Example of a rating plate
1 Device type
2 Manufacturer
3 ATEX & DGRL certification agency code.
4 Sizing data: temperature & pressure rating
5 PED data
6 Ex data
7 Electrical connection data
8 Note on observing documentation
9 Manufacturer's website
AD_H250_M40_II3G_R01_en_4001485201_PRT.book Page 5 Tuesday, January 24, 2012 8:46 AM