Endress+Hauser Levelflex FMP54 - Page 74

Levelflex FMP51, FMP52, FMP54
74 Endress+Hauser
Temperature derating for FMP54 - version HT up to +450 °C (+842 °F )
[°C] ([°F]) T
a
[°C] ([°F]) T
a
[°C]
([°F])
T
p
[°C]
([°F])
T
p
+450
(+842)
+450
(+842)
+82
(+180)
+79
(+174)
+74
(+165)
-40
(-40)
-40
(-40)
-196
(-321)
-196
(-321)
GT20: +56 (+133)
GT20: +53 (+127)
GT18: +54 (+129)
GT18: +51 (+124)
GT19: +38 (+100)
GT19: +42 (+108)
+80 (+176)
GT18/20: +79 (+174)
GT19: +74 (+165)
GT18: -27 (-17)
GT18: -27 (-17)
GT19: -22 (-8)
GT19: -22 (-8)
GT20: -28 (-18)
GT20: -28 (-18)
-40 (-40)
-40 (-40)
T
a
T
p
4 20 mA HART–
A:
4 20 mA HART–
4 20 mA–
C:
90–253 VAC
K:
10.4–48 VDC
L:
[°C] ([°F]) T
a
[°C]
([°F])
T
p
+450
(+842)
+81
(+178)
-40
(-40)
-196
(-321)
GT20: +55 (+131)
GT18: +53 (+128)
+81 (+178)
GT18: -27 (-16)
GT20: -28 (-18)
-40 (-40)
PROFIBUS PA
FOUNDATION Fieldbus
G :
1
[°C] ([°F]) T
a
[°C]
([°F])
T
p
+450
(+842)
+79
(+173)
-40
(-40)
-196
(-321)
GT20: +52 (+126)
GT18: +50 (+123)
+79 (+173)
GT18: -27 (-16)
GT20: -28 (-18)
-40 (-40)
PROFIBUS PA
FOUNDATION Fieldbus
G :
2
Switch output
A0013632
GT18 = stainless steel housing
GT19 = plastic housing
GT20 = aluminum housing
A = 1 current output
C = 2 current outputs
G
1
, G
2
= PROFIBUS PA
1)
K, L = 4-wire
T
a
= ambient temperature
T
p
= temperature at the process connection
1) For PROFIBUS PA and FOUNDATION Fieldbus the temperature derating depends on the usage of the
switch output. (G
1
: switch output not connected; G2: switch output connected).