Temperature limits, 2 field versions – KROHNE OPTIFLUX 2000-4000-5000-6000-7300-IFC 300 Ex EN User Manual
Page 23
TEMPERATURE LIMITS
2
23
OPTIFLUX
www.krohne.com
07/2010 - 7309482600 - AD EX IFC 300 R06 en
2.2.2 Field versions
Sandwich versions
• The OPTIFLUX 5000 F is suitable for an ambient temperature range of
-20...65°C (DN2.5...15) or -40...+65°C (DN25...100).
• The minimum process temperature is -20°C (DN2.5...15) or -40°C (DN25...100).
Flange versions
• The OPTIFLUX 5000 F is suitable for an ambient temperature range of -40...65°C (DN15...100).
• The minimum process temperature is -40°C.
Temperature
class (for gasses)
Maximum surface
temperature for
dust [°C]
Max. process temperature Tp [°C]
T
a
≤ 40°C
40 < T
a
≤ 50°C
50 < T
a
≤ 65°C
T6
85
65
65
60
T5
95
85
85
75
T4
130
125
125
115
T3
180
180
165
140
Use heat
resistance cable
for T
p
above:
1
165
130
100
1 Cables must withstand a continuous operating temperature of 85°C.
Temperature
class (for gasses)
Maximum surface
temperature for
dust [°C]
Max. process temperature Tp [°C]
T
a
≤ 40°C
40 < T
a
≤ 50°C
50 < T
a
≤ 65°C
T6
85
80
80
75
T5
95
95
95
95
T4
130
130
130
130
T3
180
180
180
145
Use heat
resistance cable
for T
p
above:
1
never
165
90
1 Cables must withstand a continuous operating temperature of 85°C.