KROHNE OPTIFLUX 2000-4000-5000-6000-7300-IFC 300 Ex EN - Manual (Page 26)

2
TEMPERATURE LIMITS
26
OPTIFLUX
www.krohne.com 07/2010 - 7309482600 - AD EX IFC 300 R06 en
2.4 OPTIFLUX 7000
2.4.1 Compact versions
OPTIFLUX 7300 SW/C
• The OPTIFLUX 7300 SW/C is suitable for an ambient temperature T
a
range of -20...+60°C.
• The minimum process temperature T
p
is -20°C.
• For dust hazardous areas the maximum surface temperature is 115°C.
OPTIFLUX 7300 FL/C
• The OPTIFLUX 7300 FL/C is suitable for an ambient temperature (T
a
) range of -20...+60°C.
• The minimum process temperature T
p
is -20°C.
• For dust hazardous areas the maximum surface temperature is 115°C.
2.5 IFC 300 F
The signal converter IFC 300 F is suitable for an ambient temperature range of -40...+65°C.
Temperature
class Max. process temperature T
p
[°C]
T
a
≤ 40° C 40 < T
a
≤ 50° 50 < T
a
≤ 60°
T6 60 55 Not allowed
T5 75 75 70
T4 115 115 75
Temperature
class Max. process temperature T
p
[°C]
T
a
≤ 40° C 40 < T
a
≤ 50° 50 < T
a
≤ 60°
T6 80 80 60
T5 95 95 60
T4 115 115 60