Endress+Hauser Flowmeter Proline 300 Brief Operating Instructions page 23

Flowmeter Proline 300
Potential equalization via grounding electrodes on process connection
1 Hexagonal-headed bolts of process connection
2 Integrated grounding electrodes
3 O-ring seal
4 Sensor
5.4.2 Promag P
CAUTION
L
Insufficient or faulty potential equalization.
May destroy the electrodes and thus result in the complete failure of the device!
‣
Pay attention to in-house grounding concepts
‣
Take account of operating conditions like the pipe material and grounding
‣
Connect the medium, sensor and transmitter to the same electrical potential
‣
Use a ground cable with a minimum cross-section of 6 mm
for potential equalization connections
For devices intended for use in hazardous locations, please observe the guidelines in the
Ex documentation (XA).
Endress+Hauser
2
1
3
4
2 (0.0093 in
Electrical connection
A0028972
2 ) and a cable lug
23