KROHNE H250 M40 NEPSI Ex d-Ex t - Manual (Page 5)

DEVICE DESCRIPTION
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H250 M40
www.krohne.com 06/2013 - 4002868601 MA H250-M40-NEPSI-Ex-d-R01-
2.3 Marking
Type designation of the complete unit is shown on the indicator with the rating plate reproduced
below (see also description code).
Additional markings on the housing cover:
• SN - serial number
• SO - sales order / item
• PA - order
• Vxxx / Sxxx - 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 Sizing data: temperature & pressure rating
4 PED data
5 Ex data
6 Electrical connection data
7 Note on observing documentation
8 Website of the manufacturer
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