TEMPERATURE LIMITS
2
21
OPTIFLUX
www.krohne.com
07/2010 - 7309482600 - AD EX IFC 300 R06 en
DN350...3000 ("e")
DN25...150 ("qe")
Temperature class
Max. process temperature Tp [
°
C]
T
a
≤
40
°
C
40 < T
a
≤
50
°
C
50 < T
a
≤
60
°
C
T6
60
60
60
T5
80
75
75
T4
115
115
115
T3
1
160
150
140
Use heat resistant
cables for T
p
above:
2
Not needed
145
110
1
For some versions the process temperature for T3 is restricted to 130
°
C. This version is identified by extra text (/RT)
on the data sticker.
2
Cables must withstand a continuous operating temperature of 85
°
C.
Temperature class
Max. process temperature Tp [
°
C]
T
a
≤
40
°
C
40 < T
a
≤
50
°
C
50 < T
a
≤
60
°
C
T5
60
55
-
T4
110
105
100
T3
180
180
180
Use heat resistant
cables for T
p
above:
1
Not needed
155
105
1
Cables must withstand a continuous operating temperature of 85
°
C.
