WiDetect 3dc cable WiDetect 3dc for monitoring insulated district cooling pipes Mounting, inspection and test instruction
Dec 27, 2015
WiDetect 3dc cable
WiDetect 3dc for monitoring insulated district cooling pipes
Mounting, inspection and test instruction
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Content Page
M_WiDetect3dcable_uk_2.2
1. Mounting, inspection and
test instruction
Reception inspection at the work site
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Inspection during construction
Loop resistance measurements
Ω
Ω Ω
the cause
should be investigated before connecting wires and measuring continues any further
Note that the contact resistance in connecting terminals are coupled in series and added. An
infinity reading ( ≥ 200 ohm) on the instrument means that the loop is broken.
Recommended instrument:
Ω
Ω
Always use the 0.75 mm slot on the pliers
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Insulation resistance measurements
Ω
Ω
and
that the central wire is unbroken throughout its length.
Ω
Assembling 3dc cable
30 70
6 6
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Technical data, 3dc cable and tape
WiDetect Cable 3dc:
Ω
Ω.
Foam tape:
.
Use only crimping pliers and joint kit approved
by Wideco Sweden during installation.
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M_WiDetect3dcable_uk_2.2