 Established in 1952 as Aero Research Instruments in Chicago, Illinois, ARi was one of the
first companies to use mineral insulated cable technology to improve product performance and reliability. That same technology has been improved and refined over the years and is the heart of a wide variety of products that ARi manufactures today.
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ARi is recognized as an industry leader and quality supplier of metal sheathed mineral insulated cable. All standard AerOpak® cable is supplied with high purity MgO insulation and accuracy per ASTM-E230 special limits of error. As well as maintaining a large inventory of finished cable, ARi also specializes in custom thermocouple, conductor, and heater cables to meet specific application requirements.
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ARi uses the same precision cable to manufacture a large selection of thermocouples, heaters, and RTD's. AerOpad® and Fan Type weld pad thermocouples are used in power plants and refineries throughout the world for accurate measurement of furnace heater tubes. Multipoint thermocouples and RTD's are used in temperature profiling applications of furnaces and reactors. Our rugged thermocouples and RTD's are used in aerospace applications including brake temperature measurements of commercial and military aircraft. ARi also supplies ultra high temperature thermocouples for applications up to 4000º F. using noble and refractory materials.
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ARi is also a leading supplier of mineral insulated heater assemblies and cable. AerOrod® high watt density heaters can supply up to 150 watts per square inch yielding quick response and long heater life in even the toughest applications. By using internally welded transitions between the hot and cold sections, possible cold end failures are greatly reduced. ARi heaters are used in semiconductor processing, furnace element manufacturing, aerospace and heat tracing applications.
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ARi can supply complete non-destructive testing and certification for all cable and finished assemblies. Calibration standards are traceable to the National Institute of Standards and Technology (NIST). ARi's quality management system meets the requirements of ISO9001-2000 as certified by Lloyds Register Quality Assurance.
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ARi has been a member of the Okazaki group of companies since 1980. Manufacturing facility and corporate offices are located just west of Chicago in Addison, Illinois.
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