Temperature Tables - Endress+Hauser Liquiphant FTL51B Safety Instruction

Liquiphant FTL51B, FTL63
Temperature
tables
Endress+Hauser
Optional specification, ID Jx, Kx = JL
Lower limit of the ambient temperature for explosion protection
changes to –50 °C.
Optional specification, ID Jx, Kx = JN
Lower limit of the ambient temperature for explosion protection
changes to –52 °C.
General notes
Ex ia IIC
Optional specification, ID Px, Rx = PB
When using the weather protection cover: Reduce the values T
P1, P2, P3 by 16 K.
Ex ia IIIC
Optional specification, ID Px, Rx = PB
When using the weather protection cover: Reduce the values T
16 K.
Description notes
Unless otherwise indicated, the positions always refer to the basic
specification.
Zone 0, Zone 1
1st column: Position 8 = A, B, ...
2nd column: Temperature classes T6 (85 °C) to T1 (450 °C)
Column P1 to P5: Position (temperature value) on the axes of the
derating
• T : Ambient temperature in °C
a
• T : Process temperature in °C
p
T
P1
P5
a
XA01810F-C
P2
P3
P4
of
a
by
a
T
p
A0033052
15