SCTXG33Y-T-09L Buried pipeline leakage sensing optical cable adopts stainless steel seamless steel tube as optical fiber protection unit, and double-layer high-strength and high-tensile steel wire is twisted, which has strong impact damage resistance, can withstand various harsh conditions, ensure transmission performance, seal design, electrochemical corrosion resistance, water resistance and oil resistance. This optical cable is mainly used for liquid gas leakage monitoring of long oil pipelines, long gas pipelines, urban heating pipelines, etc., and is also suitable for temperature monitoring of high-damage environments such as geotechnical construction, mines, rammers and open pits.