Heating Technology Enables Instant On/Off temperature Control

Targeting sensitive medical applications, the company’s latest series of thick-film, planar-resistive heating elements on insulated stainless steel substrates form a precision heating technology that delivers instant on/instant off temperature control. Based on the company’s Thick Film on Steel (WDBR) technology, the heating elements enable medical equipment designers to replace bulky heaters with an intrinsically safe, flameproof planar device, sculptable into virtually any flat shape. The technology integrates proprietary thick-film resistive elements onto a rugged ceramic dielectric glaze, which is directly applied to a stainless steel substrate. Fuses and thermistors can be integrated directly into the heating elements to provide additional over-temperature protection as well as closed-loop feedback control. The technology is also available on 300 series stainless steel tubular substrates from 0.5” to 2.25” OD for direct heat transfer to fluid flow. In addition to custom designs, the resistor technology is offered in several standard configurations with 0.5 kW, 1 kW, 2 kW, 3 kW, 5 kW, and 7 kW maximum pulse power ratings. Standard resistance values range from 12 to150 Ohms with tolerances to ±10%. Minimum dielectric withstanding voltage is specified at 2.5 kVdc and inductance values range from less than 3 µH to less than 6 µH with a continuous operating temperature rated to +400°C. IRC INC., Corpus Christi, TX. (361) 992-7900.