Temperature Specification In Hazardous Areas - Siemens SITRANS FC720 Operating Instructions Manual

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FC7x0
Operating conditions
Temperature range
specification
Medium, remote type
75 (167)
58 (136)
-35 (-31)
Fig. 20: Allowed process fluid and ambient temperatures, remote type
1
2
3
4
Temperature
specification High,
remote type
-35 (-31)
Fig. 21: Allowed process fluid and ambient temperatures, remote type
1
2

9.2.2 Temperature specification in hazardous areas

Please select appropriate equipment in accordance with the laws and regulations of the
relevant country/region, when it is used in a location where explosive atmospheres may
be present.
The maximum ambient and process fluid temperatures of Compact type and Remote
Sensor depending on explosion groups and temperature classes can be determined via
the order code or via the order code together with the Ex code (see the corresponding
Explosion Proof Type Reference Manual).
46 / 180
°C (°F)
80 (176)
60 (140)
40 (104)
20 (68)
0 (32)
-20 (-4)
-40 (-40)
-200
-100
(-328)
(-148)
(32)
-70
-35
(-94)
(-31)
Standard cable option L5x/L6x
Limitation for fire retardant cable option L7x/L8x without option Jxx
Limitation for fire retardant cable option L7x/L8x with option Jxx
For FCS700 DN200: temperature Mid-range is limited at 200 °C (392 °F).
°C (°F)
80 (176)
60 (140)
40 (104)
20 (68)
0 (32)
-20 (-4)
-40 (-40)
-200
-100
0
(-328)
(-148)
(32)
(176)
Standard cable option L5x/L6x
Limitation for fire retardant cable option L7x/L8x
A5E52748387-AA, 2023/09
4
1
2
3
2+3
0
100
200
(392)
(212)
80
230
T
(176)
(446)
pro
200
300
350
100
(392)
(572)
(662)
(212)
80
220
T
(428)
pro
Ambient conditions
°C
(°F)
1
2
2
°C
(°F)

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