KROHNE MS15 Series, Supplementary Instructions Manual

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2
INSTALLATION
12
MS15 - MS40 SERIES
www.krohne.com 06/2020 - 4007717401 - AD ATEX MS15-MS40 R01 en
Minimum limits (Ex ia version)
If the process temperature is less than -40 ° C, then make sure that the ambient temperature and
the service temperature for the MS15 series limit switch with an Ex ia approval are more than
the minimum permitted values. For more data, refer to
Ambient and service temperatures
on
page 8.
Minimum limits (Ex db version)
If the process temperature is less than -60 ° C, then make sure that the ambient temperature and
the service temperature for the MS15 series limit switch with an Ex db approval are more than
the minimum permitted values. For more data, refer to
Ambient and service temperatures
on
page 8.
Minimum process
temperature
Minimum ambient temperature
Aluminium housing Stainless steel housing
Without
insulation
With insulation Without
insulation
With insulation
[
°
C]
-40 -40 -40 -40 -40
Minimum process
temperature
Minimum ambient temperature
Aluminium housing Stainless steel housing
Without
insulation
With insulation Without
insulation
With insulation
[ ° C]
-60 -60 -60 -60 -60