Promag 53 PROFIBUS-DP/-PA 3 Installation
Endress+Hauser 33
Installing the high-temperature version (with PFA/PTFE lining)
The high-temperature version has a housing support for the thermal separation of sen-
sor and transmitter. The high-temperature version is always used for applications in
which high ambient temperatures are encountered in conjunction with high fluid tempe-
ratures. The high-temperature version is obligatory if the fluid temperature exceeds
+150 °C.
Note:
Information on permissible temperature ranges
→ Page 134
Insulation
Pipes generally have to be insulated if they carry either very hot or cryogenic fluids, in
order to avoid energy losses and to prevent accidental contact with pipes at tempera-
tures that could cause injury. Guidelines regulating the insulation of pipes have to be
taken into account.
Caution:
Risk of measuring electronics overheating! The housing support dissipates heat and its
entire surface area must remain uncovered. Make sure that the sensor insulation does
not extend past the top of the two sensor shells (Fig. 20).
Fig. 20: Promag P (high-temperature version): Insulating the pipe
F06-5xPxxxxx-17-05-00-xx-000
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