Best practices for protecting the temperature sensor probe's excess cable

Best practices for protecting the temperature sensor probe's excess cable

Best practices for protecting excess cable

Warning
place extra cable running from the device to the concrete placement in the shade

Proper cable management of excess cable ensures accurate readings and prolongs sensor life.

Why Sun Protection Matters
Excess cable left exposed to direct sunlight can suffer from:
- UV degradation of insulation and sheathing
- Thermal expansion leading to stress on connectors
- Premature aging of cable materials
Warning
 Sunlight Can Skew Temperature Readings with longer cable leads > 8 meters/25 feet
When excess cable is exposed to direct sunlight:
- The cable heats up, increasing its electrical resistance.
- This added resistance can alter the voltage or signal received by the data logger or sensor interface.
- The result may be temperature readings that are off by a degree or two, especially with long cable runs.
Recommended Practices

 1. Coil and Secure Excess Cable
- Neatly coil unused cable to prevent tangling or strain.
- Use soft cable ties or Velcro straps to secure coils without pinching.
- Avoid tight bends or kinks that could damage internal conductors.

Alert
 2. Shield from Sunlight
- Place the excess cable in the shade, away from direct sunlight.
- Place coiled cable in enclosure, such as:
- Wooden enclosre
- Plastic junction boxes
- PVC conduit with end caps

 3. Keep Cool and Dry
- Store excess cable in a shaded area or under a thermal barrier (e.g., tarp or insulated mat).
- Avoid placing cable on hot surfaces like asphalt or metal.
- Ensure the storage area is dry and ventilated to prevent moisture buildup.

 4. Label and Document
- Clearly label both ends of the cable for traceability.
- Document cable routing and storage method in your project log or sensor deployment sheet.

 5. Avoid Common Mistakes
- Do not leave cable dangling or loosely draped across rebar or formwork.
- Protect the cable connector end that attaches to the HTC device so that water cannot cause rust or other damage to the connector.



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