Endress+Hauser Micropilot FMR53 - Temperature Range; Temperature Limit

Micropilot FMR53, FMR54
Endress+Hauser 49
Environment
Temperature range
Measuring device –40 to +80 °C (–40 to +176 °F); –50 °C (–58 °F) with manufacturer declaration on
request
Measuring device (option
for FMR51, FMR52 and
FMR54)
–50 to +80 °C (–58 to +176 °F)
1)
Local display –20 to +70 °C (–4 to +158 °F), the readability of the display may be impaired at
temperatures outside the temperature range.
Remote display FHX50 –40 to 80 °C (–40 to 176 °F)
Remote display FHX50
(option)
–50 to 80 °C (–58 to 176 °F)
1)
1) This range applies if the option JN "Transmitter ambient temperature –50 °C (–58 °F)" has been selected in
order code 580 "Test, certificate. If the temperature is permanently below –40 °C (–40 °F), the chance of
failure increases.
For outdoor operation in strong sunlight:
• Mount the device in the shade.
• Avoid direct sunlight, particularly in warm climatic regions.
• Use a weather protection cover (see accessories).
Temperature limit
The following diagrams only consider functional aspects. Additional restrictions may apply for
certified device versions.
In the event of temperature (T
p
) at the process connection, the permitted ambient temperature (T
a
)
is reduced as indicated in the following diagram (temperature derating) in the table header.
Information on the following derating tables
Feature version Meaning
A 2-wire; 4-20 mA HART
B 2-wire; 4-20 mA HART, switch output
C 2-wire; 4-20 mA HART, 4-20 mA
E 2-wire; FF, switch output
G 2-wire; PA, switch output
K 4-wire 90-253VAC; 4-20 mA HART
L 4-wire 10, 4-48VDC; 4-20 mA HART
FMR53
Process connection: PVDF thread
Housing GT18 (316 L)
Temperature specifications: °C (°F)
T
p
P1
T
a
P2
P3
P4
P5
A0019351
Power supply; output (item 2
in the product structure)
P1 P2 P3 P4 P5 P6
T
p
T
a
T
p
T
a
T
p
T
a
T
p
T
a
T
p
T
a
T
p
T
a
A -40
(-40)
80
(176)
80
(176)
80
(176)
80
(176)
80
(176)
80
(176)
-40
(-40)
-40
(-40)
-40
(-40)
- -
B
Switch output not used
-40
(-40)
80
(176)
80
(176)
80
(176)
80
(176)
80
(176)
80
(176)
-40
(-40)
-40
(-40)
-40
(-40)
- -
B
Switch output used
-40
(-40)
77
(171)
77
(171)
77
(171)
80
(176)
76
(169)
80
(176)
-40
(-40)
-40
(-40)
-40
(-40)
- -