Wideco 3DC Installation Manual

WiDetect 3dc cable

WiDetect 3dc for monitoring insulated district cooling pipes

Mounting, inspection and test instruction

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Content Page

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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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