Dimensions of Madagascar Temperature Measuring Optical Cable

The Madagascar Temperature Measuring Optical Cable is a high-performance fiber-optic cable, typically featuring a core diameter of 9–62.5 µm, cladding of 125 µm, and an overall cable diameter rang...

Dimensions of Madagascar Temperature Measuring Optical Cable

The Madagascar Temperature Measuring Optical Cable is a high-performance fiber-optic cable, typically featuring a core diameter of 9–62.5 µm, cladding of 125 µm, and an overall cable diameter ranging from 2 mm to 10 mm depending on type and armoring.

Core and Cladding

The cable consists of a glass or plastic core that guides light signals, surrounded by cladding to maintain total internal reflection. Standard single-mode fibers have a core diameter of ~9 µm and multimode fibers range from 50–62.5 µm, with a cladding diameter of 125 µm . This structure ensures minimal signal loss and high precision for temperature measurement.

Outer Cable Diameter

The overall cable diameter varies depending on whether the cable is armored, indoor, or outdoor-rated. Typical diameters range from 2 mm for lightweight indoor cables to 10 mm for armored outdoor cables designed for harsh environments . Armored cables provide mechanical protection and resistance to bending or crushing.

Length and Installation

The cable can be manufactured in lengths from a few meters up to 200 km for distributed temperature sensing applications, with gauge lengths from 2 m to 35 m per sensing point . The minimum bending radius is critical to prevent damage, usually 10–20 times the cable diameter for standard fibers.

Temperature Sensing Capability

The Madagascar cable is compatible with distributed temperature sensing (DTS) systems, which measure temperature along the entire fiber using Raman or Rayleigh backscatter. High-definition DTS can achieve sub-millimeter spatial resolution, allowing precise mapping of temperature profiles over long distances .

Environmental Considerations

The cable is designed to withstand extreme temperatures, chemical exposure, and electromagnetic interference, making it suitable for industrial, plant, or hazardous environments . Proper handling and installation are essential to maintain measurement accuracy and cable integrity. For exact dimensions, bending radius, and environmental ratings, it is recommended to contact the supplier directly, as specifications may vary by cable type and application .

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