Endress+Hauser Micropilot FMR62 - Environmental Specifications; Temperature Limits and Conditions

Micropilot FMR60, FMR62, FMR67 XA01555F-A
Endress+Hauser 39
General notes
Optional specification, ID Nx (Accessory Mounted) = NA
(Overvoltage protection type OVP10 and type OVP20)
When using the internal overvoltage protection: Reduce the admissible ambient temperature at
the housing by 2 K.
Observe the permitted temperature range at the antenna.
Description notes
Unless otherwise indicated, the positions always refer to the basic specification.
Zone 0, Zone 1 or Zone 1
1st column: Temperature classes T6 (85 °C) to T1 (450 °C)
Column P1 to P5: Position (temperature value) on the axes of the derating
– T
a
: Ambient temperature in °C
– T
p
: Process temperature in °C
T6
T5
T4
-40
T
p
T
p
T
p
T
p
T
p
T
p
P1 P2 P2+
P3
P4 P5
-40
-40
51
T
a
T
a
T
a
T
a
T
a
T
a
64 64 64
64 64 64
51 51 –
–
–
–
–
–
85
100
135
45
58
52
85
100
135
-40
-40
-40
-40
-40
-40
-40
-40
-40
A0031752-EN

Column P2+ is only relevant for version B of the derating.
→  4,  42
Zone 20, Zone 21
1st column: Process temperature
Column P1 to P5: Position (temperature value) on the axes of the derating
– T
a
: Ambient temperature in °C
– T
p
: Process temperature in °C
100
135
150
-40
T
p
T
p
T
p
T
p
T
p
T
p
P1 P2 P2+
P3
P4 P5
-40
-40
75
T
a
T
a
T
a
T
a
T
a
T
a
75 75 75
75 75 75
75 75 –
–
–
–
–
–
100
135
150
58
52
47
100
135
150
-40
-40
-40
-40
-40
-40
-40
-40
-40
A0032556-EN

Column P2+ is only relevant for version B of the derating.
→  4,  42
Zone 21
1st column: Calculation of temperature values and maximum permissible ambient temperature in °C
2nd column: Maximum surface temperature in °C
T = T +5 K
a
T = 80
a
119
A0032555-EN