Installation Proline Promass F 500 Modbus RS485
26 Endress+Hauser
NOTICE
The insulation can also be thicker than the maximum recommended insulation
thickness.
Prerequisite:
‣
Ensure that convection takes place on a sufficiently large scale at the transmitter neck.
‣
Ensure that a sufficiently large area of the housing support remains exposed. The
uncovered part serves as a radiator and protects the electronics from overheating and
excessive cooling.
A0028853
a Minimum distance to insulation
t maximum Insulation thickness
The minimum distance a between the sensor connection housing and the insulation is
10 mm (0.39 in). This is to ensure that the sensor connection housing remains completely
exposed.
Maximum recommended insulation thickness
0
10
30
20
40
[ ]mm[ ]in
80 90 100 110
[°C]
[°F]
200 250 290
0.5
1.0
1.5
0
t
40(104)
t
60(140)
t
120 130 140
T
m
150
A0028904
8 Maximum recommended insulation thickness depending on the temperature of the medium and the
ambient temperature
t Insulation thickness
T
m
Medium temperature
t40
(104)
Maximum recommended insulation thickness at an ambient temperature of T
a
= 40 °C (104 °F)
t60
(140)
Maximum recommended insulation thickness at an ambient temperature of T
a
= 60 °C (140 °F)
Maximum recommended insulation thickness for the extended temperature range or
insulation
For the extended temperature range, version with long extension neck, order code for
"Measuring tube material", option SD, SE, SF, TH or extension neck for insulation, order
code for "Sensor option", option CG:
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