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Potential Equalization - Siemens SITRANS F M MAG 3100 sensor Operating Instructions Manual

Electromagnetic flowmeters
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DN
PN 6
600
24
81
60
700
28
48
35
800
32
70
52
900
36
86
63
1000
40
90
66
1050
42
N/A
N/A
1100
44
N/A
N/A
1200
48
126
93
1400
54
165
122
1600
66
190
140
1800
72
239
176
2000
78
288
212
4.6

Potential equalization

To obtain optimum results from the measuring system, the sensor must have the same
electrical potential as the liquid being measured.
This is achieved by means of built-in grounding electrodes.
Figure 4-12
Cathodic protected piping
Special attention must be paid to systems with cathodic protection
Use in hazardous area!
Cathodic pipe protection is not allowed in hazardous areas
SITRANS F M MAG 3100 sensor
Operating Instructions, 09/2012, A5E03005599-02
PN 10
PN 16
161
119
350
258
96
71
183
135
137
101
257
190
144
106
272
201
191
141
364
268
N/A
N/A
N/A
N/A
N/A
N/A
N/A
N/A
263
194
522
385
335
247
613
452
456
336
830
612
514
379
937
692
578
426
1128
832
Potential equalization with earthing electrodes
WARNING
PN25
PN 40
560
413
1220
900
N/A
N/A
N/A
N/A
N/A
N/A
N/A
N/A
N/A
N/A
N/A
N/A
N/A
N/A
N/A
N/A
N/A
N/A
N/A
N/A
N/A
N/A
N/A
N/A
522
385
N/A
N/A
613
452
N/A
N/A
830
612
N/A
N/A
937
692
N/A
N/A
1128
832
N/A
N/A
Installing/Mounting
4.6 Potential equalization
PN 63
ANSI Cl
150
1200
N/A
N/A
N/A
N/A
N/A
N/A
N/A
N/A
N/A
N/A
N/A
N/A
N/A
N/A
N/A
N/A
N/A
N/A
N/A
N/A
N/A
N/A
N/A
N/A
N/A
N/A
N/A
N/A
N/A
N/A
N/A
N/A
N/A
N/A
N/A
N/A
N/A
N/A
N/A
N/A
N/A
N/A
N/A
N/A
N/A
N/A
N/A
AWWA
N/A
N/A
250
184
329
242
339
250
393
290
366
270
471
347
436
322
528
389
698
515
700
516
890
656
29

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