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Supercalender roll hotspot detection brochure - .PDF file.

As production rates and temperatures rise, the possibility of overheating a roll, causing a blister or losing the coating increases. Coated rolls can be repaired, but the cost can be tens of thousands of dollars and the associated downtime further adds to this. The coated rolls rotate at high speeds and some of the developing hotspots can be quite tiny, so it is impossible to detect these developing problems using traditional methods. The HotSpotIR high-speed scanning system from Land Instruments is used to detect these emerging hotspots. The HotSpotIR  makes 100 high-resolution temperature scan lines every second, while the hottest point measured is updated and output to the alarm processor every one tenth of a second. The system covers a measuring range of 68–482°F / 20–250°C.

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AMETEK Land

AMETEK Land (Land Instruments) is the world’s leading manufacturer of monitors and analysers for industrial infrared non-contact temperature measurement, combustion efficiency and environmental pollutant emissions

AMETEK Land (Land Instruments) is the world’s leading manufacturer of monitors and analysers for industrial infrared non-contact temperature measurement, combustion efficiency and environmental pollutant emissions.

Through our trusted range of leading-edge technologies, we are chosen the world over to deliver the highly accurate measurement solutions that precisely meet every customer’s process needs.

Our comprehensive product range includes:

– Fixed Spot Non-Contact Thermometers / Pyrometers – Flexible solutions, customisable for diverse processes and specialised applications.

– Portable Non-Contact Thermometers– Trigger-operated for easy use, our handheld thermometers provide spot temperature measurements with precise target viewing and on-board data storage.

– Fixed Thermal Imagers & Line Scanners– Setting the industry standard for performance. Backed by advanced software support, they supply the information you need to keep your process running safely and efficiently.

– Calibration Sources – A comprehensive range of blackbody calibration sources enabling high-precision calibration of radiation thermometers under on-site and laboratory conditions.

– Combustion Efficiency Monitors – We offer precision measurement solutions to measure oxygen, carbon monoxide and sulphuric acid dewpoint, which can help improve combustion efficiency, lower energy use, reduce emissions and prevent plant corrosion.

– Opacity and Dust Monitors– The most advanced range of opacity, dust and particulates monitors available, use patented technology to deliver highly accurate results. With no moving parts, they combine high reliability with low maintenance.

– Portable Gas Analysers – Offering up to nine gas measurements on a single analyser, we have solutions for all combustion monitoring and environmental compliance.

– Carbon Monoxide Detectors – Providing early warning of combustion in process and storage areas, our highly sensitive CO detectors monitor the entire process. This gives the best chance of early detection, allowing rapid action to prevent fire.

– Specific Industry Applications – We design systems specifically to solve critical temperature measurement problems industrial applications. Our specialised solutions provide optimised performance in challenging processes.

With unrivalled applications knowledge, choosing AMETEK Land ensures the highest standards of process safety, process control and product quality are reached.

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