2
TEMPERATURE LIMITS
22
OPTIFLUX
www.krohne.com
07/2010 - 7309482600 - AD EX IFC 300 R06 en
2.2 OPTIFLUX 5000
The maximum process temperature T
p
is dependent on the required temperature class T6...T3
and the maximum ambient temperature T
a
.
2.2.1 Compact versions
Sandwich versions
Sandwich versions
Sandwich versions
Sandwich versions
•
For dust hazardous areas, the maximum surface temperature is equal to the process
temperature with a minimum of 85
°
C.
•
The OPTIFLUX 5300 C "sandwich" is suitable for an ambient temperature range of
-20...60
°
C (DN2.5...15) or -40...+60
°
C (DN25...100).
•
The minimum process temperature is -20
°
C (DN2.5...15) or -40
°
C (DN25...100).
Flange versions
Flange versions
Flange versions
Flange versions
•
The OPTIFLUX 5300 C "flange" is suitable for an ambient temperature range of
-40...+60
°
C.
•
The minimum process temperature is -40
°
C.
Temperature class
Max. process temperature Tp [
°
C]
T
a
≤
40
°
C
40 < T
a
≤
50
°
C
50 < T
a
≤
60
°
C
T6
60
55
-
T5
75
75
70
T4
115
115
75
T3
150
135
75
Temperature
class
Max. surface
temperature for
dust [
°
C]
Max. process temperature Tp [
°
C]
T
a
≤
40
°
C
40 < T
a
≤
50
°
C
50 < T
a
≤
60
°
C
T6
85
80
80
60
T5
100
95
95
60
T4
135
135
130
60
T3
150
150
145
60
