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254 Chapter 28 Special Detectors Specifications Outer diameter Wire gauge Temperature resistance Cross-references 244622 3.2mm 0.46mm up to 100°C unlimited up to 150°C - 350 hours up to 175°C - 25 hours Page Art.No. Name Type 255 253 255 255 255 244638 244637 244629 244630 244639 Interconnector/LWM ZV22-11800-103 Linear Heat Detector Unit/Conv LWM-1 Mounting Base TC358 Mounting Clip 3040/LGK Termination Connector/LWM AV22-11800-102 Sensing Cable/Black/Nylon SK1800011 The black Alarmline sensing cable with nylon coating consists of four copper wires, each of them being coated with a colour-coded material with a negative temperature coefficient. The wires are twisted and isolated with an outer layer made of temperature-resistant and fire-retardant plastic. On one side of the cable, the four wires are connected to an evaluation unit or a junction box. On the other side, they are connected with each other and are hermetically sealed, thereby creating two loops. Both loops are permanently monitored. An interruption or a short circuit in one of the two loops causes a fault message in the evaluation unit. The black sensing cable with nylon coating has a high resistance against chemical and biological agents. Therefore, it is applied in areas, where acidic, alkaline or solvent fumes can occur. In addition, the cable is UV-resistant and therefore suitable for outdoor application. Features Length of sensing cable up to 300m Detection of exceeding temperatures at any point of the sensing cable Resistant against chemical and biological agents Suitable for outdoor application Specifications Outer diameter Wire gauge Temperature resistance Cross-references 244624 4.8mm 0.46mm up to 100°C unlimited up to 150°C - 350 hours up to 175°C - 25 hours Page Art.No. Name Type 255 253 255 255 244638 244637 244629 244639 Interconnector/LWM ZV22-11800-103 Linear Heat Detector Unit/Conv LWM-1 Mounting Base TC358 Termination Connector/LWM AV22-11800-102 Sensing Cable/Stainless Steel SK11800013 The Alarmline sensing cable with a stainless steel meshwork consists of four copper wires, each of them being coated with a colour-coded material with a negative temperature coefficient. The wires are twisted and isolated with an outer layer made of temperature-resistant and fire-retardant plastic. On one side of the cable, the four wires are connected to an evaluation unit or a junction box. On the other side, they are connected with each other and are hermetically sealed, thereby creating two loops. Both loops are permanently monitored. An interruption or a short circuit in one of the two loops causes a fault message in the evaluation unit. The sensing cable with a stainless steel meshwork has a high resistance against chemical and biological agents and is additionally protected against rough, mechanical strains. Features Length of sensing cable up to 300m Detection of exceeding temperatures at any point of the sensing cable Resistant against chemical and biological agents as well as mechanical strains 01 / EX11399E.SAM /1039-01/0100
