System for monitoring pipeline leakage, pipeline element provided with the system, and method for mounting the monitoring system onto a pipeline

A monitoring system for the identification and location of leakage of a fluid at at least one pipe joint having two abutting non-insulated pipes for fluids, the monitoring system comprising:

• at least one first detector for detecting fluid, located at a first pipe joint;
• at least one second detector for detecting fluid, located at a second pipe joint, the first detector and the second detector being connected to each other by at least one alarm cable using TDR technology to detect fluid leakage at the first or the second detector;
• and
• a crimpable jacket piece provided locally over at least the first pipe joint, the jacket piece together with the non-insulated pipes forming a sealed space containing the first detector and the pipe joint.