Functional Principle - Siemens SITRANS P Operating Instructions Manual

Description

4.4 Functional principle

Nameplate with information on the remote seals
The nameplate with information on the remote seals is located on the back of the enclosure.
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②
③
④
⑤
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Figure 4-6
4.4 Functional principle
This chapter describes how the pressure transmitter works.
First the electronics are described, and then the physical principle of the sensors which are
used with the various device versions for the individual measurement types.
30
Diaphragm remote seals of sandwich type
Article number (MLFB number)
Order supplement (order code)
Serial number
Operating temperature
Vacuum service: No, oxygen ≤ 60 °C;
≤ 50 bar
Example
⑦
Nominal diameter/nominal pressure: 4 inch, 50
mm tube length, CLASS 600
⑧
Filling liquid: Food grade oil (FDA-compliant)
⑨
Wetted materials: Diaphragm duplex, 1.4462
⑩
QR code for mobile website with device-specific
information
⑪
Assembly and manufacturing location
SITRANS P320/P420 with 4 to 20 mA/HART
Operating Instructions, 11/2019, A5E44852162-AC