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JC-OM300 distributed optical fiber temperature measurement system
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JC-OM300 distributed optical fiber temperature measurement system

The distributed optical fiber temperature measurement system uses the spontaneous Raman scattering signal and optical time domain reflection (OTDR) principle generated when light is transmitted in the optical fiber to obtain spatial temperature distribution information, which is dedicated to online temperature monitoring of power cables, tunnels, and subways. . A system that uses one (or more) ordinary optical fibers and one terminal device to measure the temperature of up to several thousand points within a range of several kilometers is realized.
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The distributed optical fiber temperature measurement system uses the spontaneous Raman scattering signal and optical time domain reflection (OTDR) principle generated when light is transmitted in the optical fiber to obtain spatial temperature distribution information, which is dedicated to online temperature monitoring of power cables, tunnels, and subways. . A system that uses one (or more) ordinary optical fibers and one terminal device to measure the temperature of up to several thousand points within a range of several kilometers is realized.

The distributed optical fiber temperature measurement system consists of two parts: the temperature measurement host and the detection optical fiber:

Technical parameters of temperature measurement host:

Monitoring length: up to 30km;

Number of channels: up to 16 channels can be expanded;

Positioning accuracy: 1m;

Temperature measurement accuracy: ±1ºC;

Temperature resolution: 0.1ºC;

Measuring time: the shortest 3s;

Applicable temperature range: -10ºC~100ºC (expandable to -50ºC~150ºC);

Probe fiber technical parameters:

Fiber mode 62.5/125μm multimode fiber

Number of cores: single core

The outer diameter is not more than 4mm

Outer sheath material Low-smoke halogen-free polyethylene material

Tensile strength is not less than 100N when working, and not less than 200N when laying

Permissible radius of curvature 10 times the outer diameter of the optical fiber when working, and 20 times the outer diameter of the optical fiber when laying

Temperature range Long-term: -20°C-80°C, short-term: -40°C-100°C (higher specifications can be selected according to user requirements)

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