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Process Technology Introduces New PTC Heaters

Process Technology has introduced a new electric immersion heater that incorporates positive temperature coefficient technology.

Mentor, OH, September 16, 2011 --( Process Technology, a wet process heating and cooling manufacturer, introduces its new SmartOne® line of PTC (positive temperature coefficient) electric immersion heaters. The product is cULus listed.

With the SmartOne® technology, thermal over-temperature protectors are no longer required for safe operation. SmartOne® PTC heaters will not burn out in air like traditional resistance heaters.

A PTC heater utilizes solid state ceramic heating elements as its heat source. These devices are “self-limiting” - the maximum temperature is internally limited regardless of the operating conditions. Therefore, these heaters have a built-in safety not previously available in electric immersion heaters. Traditional resistance heaters have the potential for a runaway heat condition if operated out of solution, but a PTC heater can self limit its maximum temperature regardless if operated in water, air, or surrounded by buildup.

If the temperature goes down, so does the resistance (thereby increasing power output). If the heat transfer is restricted, as would happen when i.e. operating in air, the temperature will increase (as will the resistance) resulting in reduced power output. (PTCs are used in car seat warmers or hair dryers for example – the product reaches a predetermined maximum temperature and then turns itself down.)

Common threats to heater life are buildup and scale which cause overheat situations. These conditions will not cause the SmartOne® to overheat. The maximum output temperature is below the ignition point of most plastic tanks, so overheat damage is prevented if the element is operated in air or becomes covered with buildup. (Please note: periodic cleaning is still recommended since buildup can increase the rate of chemical corrosion of any heater.)

Process Technology, established in 1978, is a manufacturer of electric immersion heaters, heat exchangers, in-line heaters and temperature and level controls serving a variety of industries including plating, metal finishing, aquaculture, semiconductor, printed circuit board, cleaning technologies, MEMS, FPD and photovoltaic. Process Technology is certified to ISO 9001:2008, including design.


For further editorial information, please contact Christine L. Venaleck, Director of Advertising, at 440-974-3703 or e-mail at For further information regarding the product line, please contact Steve Smith, Vice President of Sales and Marketing, at 440-974-1300 or via email at
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Process Technology
Christine Venaleck
For information regarding the product or sales, please contact Steve Smith, VP of Sales & Marketing, at

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