• The electrical terminal compartment ⑪ for the supply voltage and shield is accessible when
you remove the back cover ⑩.
• The measuring cell with a process connection ⑥ is located in the lower section of the
enclosure.
The measuring cell is prevented from rotating by a retaining screw ⑤.
• The cover of the 4 buttons① is located on the upper face of the enclosure. The nameplate
with general information is located on the cover.
2.2 Exploded view of the device
Depending on the customer-specic order, the device comprises dierent parts. The Replacing
spare parts (Page21) section describes how to replace specic components.
① Measuring cell with process anges ⑧ Insulation components
② Sealing ring between the measuring cell and enclo‐
sure
⑨ Sensor electronics
③ Cover (rear) for electronic terminal compartment ⑩ Transmitter electronics
④ Sealing ring between the cover and enclosure ⑪ Display support
⑤ Connection board ⑫ Display
⑥ Enclosure ⑬ Sealing ring between the cover and enclosure
⑦ Nameplate and button cover ⑭ Cover (front) with inspection window (optional)
Figure2-2 Example: Pressure transmitter (dierential pressure) with explosion protection
Description
2.2Exploded view of the device
SITRANS P320/P420
8 Service Manual, 11/2023, A5E44914141-AC
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