4 Wiring
Proline Promag 51
48
Hauser
4.3.2
Special cases
Metal, ungrounded piping
In order to prevent outside influences on measurement, it is advisable to use ground cables to
connect each sensor flange to its corresponding pipe flange and ground the flanges. Connect the
transmitter or sensor connection housing, as applicable, to ground potential by means of the ground
terminal provided for the purpose (Fig. 35).
"
Caution!
Also, observe company-internal grounding guidelines.
!
Note!
The ground cable for flange-to-flange connections can be ordered separately as an accessory from
Hauser
• DN
≤
300: The ground cable is in direct connection with the conductive flange coating and
is secured by the flange screws.
• DN
≥
350: The ground cable connects directly to the metal transport bracket.
F06-5xxxxxxx-04-xx-xx-xx-003
Fig. 35:
Potential equalisation with equalising currents in metallic, non-grounded piping systems
6 mm² Cu
DN
300
≤
DN
350
≥
Summary of Contents for Proline Promag 51
Page 4: ...QUICK SETUP commissioning Proline Promag 51 4 Endress Hauser...
Page 10: ...1 Safety instructions Proline Promag 51 10 Endress Hauser...
Page 52: ...4 Wiring Proline Promag 51 52 Endress Hauser...
Page 80: ...7 Maintenance Proline Promag 51 80 Endress Hauser...
Page 104: ...9 Trouble shooting Proline Promag 51 104 Endress Hauser...
Page 122: ...11 Index Proline Promag 51 122 Endress Hauser...
Page 124: ...www endress com worldwide BA080D 06 en 03 05 50101924 FM SGML6 0...