PDK61300-4*0.5 Inclinometer Cable – 4-Core 0.5mm² Bare Copper, PE Insulation, LCP Braid, TPU Jacket, For Borehole & Geotechnical Monitoring

This PDK61300 inclinometer cable is specifically engineered for borehole surveying, geotechnical instrumentation, and structural health monitoring applications where accurate tilt measurement and reliable data transmission are essential. It incorporates four 0.5 mm² (approx. AWG 20) stranded bare copper conductors – a configuration well‑suited for powering inclinometer probes and transmitting analog/digital signals (e.g., 4‑20 mA, voltage output, or RS‑485) over distances up to 100–200 meters. All conductors are bare copper to ensure low resistance, minimal signal attenuation, and stable performance in demanding field conditions. PE (Polyethylene) provides primary insulation with excellent dielectric properties, very low moisture absorption, and stable impedance – critical for maintaining signal integrity in wet borehole environments.

The cable is reinforced with an LCP (Liquid Crystal Polymer) braid – a high‑strength, low‑creep, ultra‑low‑moisture‑absorption material that delivers exceptional tensile capacity and cut resistance while maintaining a lightweight profile. The outer jacket is extruded from TPU (Thermoplastic Polyurethane) , offering outstanding abrasion, hydrolysis, and oil resistance, as well as flexibility for deployment and retrieval in harsh field conditions. The cable can be customized with depth markings at 0.5‑meter intervals for precise probe positioning, and is ideal for monitoring, dam displacement measurement, landslide prediction, tunnel deformation surveys, and deep foundation testing– where reliable four‑conductor power/signal links, mechanical durability, and long‑term environmental resistance are paramount.

Key Features – Bare Copper Conductors, PE Insulation, LCP Braid, TPU Sheath

Bare copper conductors (4×0.5 mm²) – four stranded bare copper cores for efficient power delivery to inclinometer probes and high‑quality signal transmission (4‑20 mA, voltage, or digital) with minimal resistance.

PE insulation – rated -40°C to +80°C; low dielectric constant, negligible moisture absorption, and resistance to seawater, acids, and alkalis – ensuring stable insulation performance in wet and humid borehole conditions.

LCP braid reinforcement – liquid crystal polymer braid provides high tensile strength, minimal creep, and ultra‑low moisture absorption (0.04%), enhancing mechanical durability without adding significant weight.

TPU outer sheath – polyurethane jacket delivers superior abrasion, cut, tear, and hydrolysis resistance; remains flexible even at low temperatures and resists oils, greases, and chemicals commonly found in field environments.

Customizable depth markings – available with markings at 0.5‑meter intervals (two‑color distinction for half‑meter and full‑meter positions) for precise probe depth positioning.

Watertight and pull‑resistant – robust construction suitable for vertical and inclined boreholes, with optional Kevlar or LCP strength members for enhanced tensile capacity.

Ideal For

Borehole inclinometer surveys in mining, civil engineering, and geotechnical projects

Dam, embankment, and slope stability monitoring (landslide prediction)

Deep foundation and pile testing where vertical/horizontal displacement is measured

Tunnel and underground excavation alignment monitoring

Structural health monitoring of bridges, retaining walls, and infrastructure

Any borehole or downhole application demanding four‑conductor power/signal + LCP reinforcement + TPU durability

Conclusion

This PDK61300‑4*0.5 inclinometer cable provides a specialized, durable solution for downhole measurement systems. The combination of bare copper conductors, PE insulation, LCP braid reinforcement, and a rugged TPU sheath ensures reliable, long‑term operation in demanding borehole and field environments. Its customizable depth markings and robust construction make it an ideal choice for geotechnical instrumentation, mining exploration, and structural health monitoring.

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