Device description – KROHNE H250 M40 NEPSI Ex nA User Manual
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DEVICE DESCRIPTION
8
H250 M40
www.krohne.com
03/2013 - 4002616601 AD H250 M40 NEPSI Ex nA R01 en
Using a heat resistant connecting cable
1 Maximum value of the product temperature for the use of a standard connecting cable. For
higher product temperatures a connecting cable with a temperature resistance of 90°C / 194°F is
required.
HT version - high-temperature version with projecting indicator
The permitted ambient temperature range is indicated on the nameplate; depending on the
device version it is T
amb
= -40...+65°C / -40...+149°F or T
amb
= -25...+65°C / -13...+149°F.
The minimum product temperature is -40°C / -40°F.
Temperature table in °C
Heating jacket
T
m
1
None
with
HT-version
T
amb
≤ 40
T
amb
≤ 60
T
amb
≤ 65
DN15, DN25, DN50
DN15, DN25
220
105
75
x
-
175
95
DN80, DN100
DN50, DN80
165
90
75
x
-
155
90
Temperature table in °F
Heating jacket
T
m
1
None
with
HT-version
T
amb
≤ 104
T
amb
≤ 140
T
amb
≤ 149
DN15, DN25, DN50
DN15, DN25
428
221
167
x
-
347
203
DN80, DN100
DN50, DN80
329
194
167
x
-
311
194
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