KROHNE OPTIFLUX 2000-4000-5000-6000 -IFC 100 Ex EN - Manual (Page 13)

TEMPERATURE LIMITS
2
13
OPTIFLUX
www.krohne.com 04/2009 - 7.30685.22.00 - EX IFC 100 en
DN25...150 ("d")
DN200...300 ("qe")
DN350...3000 ("e")
DN25...150 ("qe")
T4 130 115 75
T3 150 115 75
Temperature class Max. process temperature Tp [°C]
T
a
≤ 40°C 40 < T
a
≤ 50°C 50 < T
a
≤ 60°C
T6 70 70 70
T5 85 85 85
T4 120 120 120
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.
Temperature class Max. process temperature Tp [°C]
T
a
≤ 40°C 40 < T
a
≤ 50°C 50 < T
a
≤ 60°C
T6 75 70 70
T5 95 90 75
T4 130 115 75
T3 150 115 75
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.