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From Davidon Industries, Inc.
Why use E-FAST®? Because our elements are high powered, fast and extremely responsive, any lack of dissipation of the heat due to abnormal use, dirt or scaling should be detected immediately. Bimetal switches, thermal fuses, NTC's and other present-day temperature protective devices are limited: they provide only local protection and suffer delays in response. Severe overheating can cause irreversible failure of the element. E-FAST however is not affected by these limitations. Using the typical properties of our materials, abnormal temperature variations (wherever they occur) are detected immediately thus causing the E-FAST electronics to stop the heating process. Examples of applications where the technology is applicable: Products & Services
Temperature sensors are measurement devices that infer temperature by sensing some physical characteristic (i.e. resistance, emf or thermal radiation).
Thermistors are thermally-sensitive devices whose electrical resistance varies with temperature. Unlike RTDs and thermocouples, thermistors do not have standards associated with their resistance vs. temperature characteristics or curves.
Panelboards and switchgear are electrical distribution devices that convert incoming electrical power into several smaller circuits and provide overload protection in the form of fuses or circuit breakers.
Thermal cutoffs and thermal protectors are nonresetting, thermally sensitive devices designed to protect domestic electrical appliances and industrial equipment from fire. They are sometimes described as thermal one-shot fuses.
Circuit breakers are mechanical switching devices capable of breaking currents under specified abnormal circuit conditions.
Product Announcements
Topics of Interest
Developed by Ferro Techniek of the Netherlands and available in North America from Davidon Industries, the technology is called E-FAST®, which stands for electronic full sensor technology. The...
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H. Bunke,
Institute of Computer Science and Applied Mathematics University of Bern
CH-3012 Bern, Switzerland E-mail: bunke@iam.unibe.ch
M. Kraetzl,
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Voltage that is too high can cause premature failure of electrical and electronic components (e.g. circuit boards) due to overheating. The damage caused by overheating is cumulative and irreversible.
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The behaviour of any real, initially-solid sample is going to be considerably more complex than the idealized description given above. The success that has been achieved using...
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