Siemens SITRANS DS III Series Compact Operating Instructions page 22

Note
Electromagnetic compatibility (EMC)
You can use this device in industrial environments, households and small businesses.
For metal housings there is an increased electromagnetic compatibility compared to high-frequency radiation. This
protection can be increased by grounding the housing, see Chapter "Connecting the device (Page 21)".
Note
Improvement of interference immunity
● Lay signal cables separate from cables with voltages > 60 V.
● Use cables with twisted wires.
● Keep device and cables in distance to strong electromagnetic fields.
● Use shielded cables to guarantee the full specification according to HART.
● Refer to HART communication information in Chapter "Technical specifications (Page 36)".
SITRANS P, DS III series (7MF4.33.. 7MF4.34.. 7MF4.35..)
20
A5E03434656-02, 12/2012