Opening The Case; Shielding And Grounding - WIKA DMSU21SA Mode D'emploi

5. Commissioning, operation
Electrical connections
Grounding screw, inside
Grounding screw, outside
5.5.3

Opening the case

CAUTION!
Ingress of moisture
Moisture can destroy the process transmitter.
▶
Protect the opened process transmitter against moisture.
Plastic case
▶
Screw off the case head cover by hand and pull out the display and operating unit or
push-on cap.
Stainless steel case
▶
Screw off the case head cover by means of an open-ended spanner and pull out the
display and operating unit or push-on cap.
5.5.4

Shielding and grounding

The process transmitter must be shielded and grounded in accordance with the
grounding concept of the plant.
▶
Connect the cable shield with the equipotential bonding.
▶
Connect the process connection or the external grounding screw with the equipotential
bonding
WIKA operating instructions, model DMSU21A
0.13 ... 2.5 mm²
0.13 ... 4 mm²
EN
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