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4 Mounting
52
Mixed system pipeline with CCP and functional ground potentials
This mixed system has an insulated pipeline with CCP potential and a non-insulated metal pipeline (L =
1/4 x sensor nominal width) with functional ground potential upstream and downstream of the sensor.
The following figure shows the preferred installation for cathodic corrosion protection systems.
This installation must also be used if rogue external current is anticipated in insulated pipelines (e.g. in
the case of long runs in the proximity of power supply equipment).
(1)
Insulated pipeline
A
Transmitter cable CCP potential ≥ 4 mm
2
Cu,
not included in scope of delivery; to be provid-
ed by customer
(2)
Bare metal pipeline
(3)
Functional ground
B
Insulated screw bolts without grounding
washer
CCP
(1)
(2) (3)
(2)
(1)
CCP
Содержание flowTRANS MAG H01
Страница 2: ......
Страница 22: ...1 Safety 22...
Страница 68: ...5 Electrical connection 68...
Страница 72: ...6 Digital communication 72...
Страница 94: ...7 Startup 94...
Страница 108: ...8 Parameterization 108...
Страница 109: ...109 8 Parameterization...
Страница 110: ...8 Parameterization 110...
Страница 111: ...111 8 Parameterization...
Страница 112: ...8 Parameterization 112...
Страница 152: ...8 Parameterization 152...
Страница 160: ...9 Advanced diagnostics functions 160...
Страница 258: ...14 Annex 258...
Страница 259: ......