Abstract: The present invention provides a leakage detection cable and a method for manufacturing the same, and the leakage detection cable detects a leaking liquid and includes: an electric wire core which includes one or more conductive wires, and a sheath layer that covers the one or more conductive wires; a detection unit which is coupled in a longitudinal direction of a surface of the electric wire core; and a first braided layer which is braided with non-conductive fibers and covers the detection unit, in which the detection unit has a predetermined resistance value that is proportional to a length, and reacts with the liquid such that an output electric current value is changed.

Abstract: The present invention relates to a device for detecting a leakage of an acidic solution, and more particularly to a device for detecting a leakage of a poisonous acidic solution such as sulfuric acid, hydrochloric acid, nitric acid, hydrofluoric acid, etc. To this end, the device according to the present invention comprises: a base film layer; a pair of conductive lines formed lengthwise in parallel with each other on the upper surface of the base film layer; and a coating layer made of an acid-soluble material applied to the upper surface of the base film layer so as to cover the conductive lines.

Abstract: Disclosed herein are a leak detection device and a remote monitoring system using the same. In accordance with the present invention, locations where multiple leaks have occurred can be accurately determined by connecting a plurality of leak sensing films in series using a plurality of slave controllers having connectors, detecting a leak occurring between the slave controllers, and sending the detected leak to a master controller at a remote place. Furthermore, the present invention provides a remote monitoring system capable of checking whether a leak has occurred or not at a remote place using an apparatus for controlling the leak sensing films.

Abstract: The present invention provides an oil leakage sensing composition comprising a mixture, which rapidly reacts with leaking oil upon contact with the oil to change its electrical resistance, and an oil leakage sensor comprising an electrically conductive line formed of the composition on a base film. The oil leakage sensing composition comprises a mixture of 70-85 parts by weight of a dispersion of carbon nanotubes (CNTs), 3-15 parts by weight of an alkyd resin, and 5-15 parts by weight of silver flakes. The oil leakage sensor comprises a tape-shaped base film layer, and at least one electrically conductive line printed on the upper surface of the base film layer in the length direction, wherein the electrically conductive line is formed by applying the composition to the base film layer by a printing process.

Abstract: Disclosed herein are a leak detection device and a remote monitoring system using the same. In accordance with the present invention, locations where multiple leaks have occurred can be accurately determined by connecting a plurality of leak sensing films in series using a plurality of slave controllers having connectors, detecting a leak occurring between the slave controllers, and sending the detected leak to a master controller at a remote place. Furthermore, the present invention provides a remote monitoring system capable of checking whether a leak has occurred or not at a remote place using an apparatus for controlling the leak sensing films.

Abstract: The present invention relates to a fluid level detection sensor, and an objective of the present invention is to provide a capacitive fluid level detection sensor, in which an electrode for sensing a fluid level in a capacitive method is formed on a film in a printing method so that the film can be easily attached to and detached from a connector module having a wireless transmission function, and thus a value of a sensed fluid level can be transmitted to a central control office at a remote site, and the film can be used as a disposable item.

Abstract: Disclosed is a film type temperature sensor characterized in that an electrode configured to sense temperature is formed on a film by a printing method, and the film type temperature sensor is detachable from a connector module having a wireless transmission function, thus transmitting the sensed temperature values to a central control center located in a distant place and being used in a disposable type. The film type temperature sensor comprises a sensor film which includes a pair of temperature sensing terminals disposed close to each other on a base film, wherein the temperature sensing terminals are electrically connected through a wiring to a connection terminal formed at an end of the base film, and the temperature sensing terminals, the connection terminal and the wiring are formed by a printing method; and a connector module which is connected to the connection terminal of the sensor film.

Abstract: A leak sensor apparatus for sensing moisture is disclosed, which is prepared in such a manner that a base film layer, a conductive line layer and a protection film layer are sequentially stacked on its lower surface in an upward direction, and said conductive line layer includes a resistance line having a certain resistance value per unit area in a longitudinal direction, and a conductive line which is spaced apart from the resistance line and is formed in parallel with respect to the resistance line, and said protection film layer is provided with a plurality of holes which are formed at regular intervals so that the resistance line and the conductive line of the conductive line layer can be exposed to the outside through the holes, respectively.

Abstract: A leak sensor apparatus for sensing moisture is disclosed, which is prepared in such a manner that a base film layer, a conductive line layer and a protection film layer are sequentially stacked on its lower surface in an upward direction, and said conductive line layer includes a resistance line having a certain resistance value per unit area in a longitudinal direction, and a conductive line which is spaced apart from the resistance line and is formed in parallel with respect to the resistance line, and said protection film layer is provided with a plurality of holes which are formed at regular intervals so that the resistance line and the conductive line of the conductive line layer can be exposed to the outside through the holes, respectively.