News Release from: Hawco
Edited by the Electronicstalk Editorial Team on 15 July 2002
Thermoelectric elements heat and cool
Thermoelectric (or Peltier) elements are solid-state heat pumps that use the Peltier effect for reversible heating and cooling.
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Hawco has added a new range of components to its heating and cooling product portfolio. The TEC and TES ranges are thermoelectric or Peltier elements. They are solid-state heat pumps that use the Peltier effect for reversible heating and cooling.
They are very small, very lightweight and completely silent and, with no moving parts, extraordinarily reliable.
This makes thermoelectric devices ideal for use in vending, laboratory, packaging, electronics and cabinet enclosure applications.
No compressor, pipework or evaporator is necessary.
During operation DC current flows through the thermoelectric device causing heat to be transferred from one side of the device to the other creating a cold side and hot side.
A single stage device can achieve temperature differences up to 70C, or can transfer heat at a rate of 125W.
To achieve greater temperature differences (up to 125C), two stage thermoelectric devices are available.
They are DC devices and the amount of heat pumped through a thermoelectric device is directly proportional to the power supplied.
Hawco has also designed and manufactured a range of thermoelectric power controllers (or Peltier drivers) that can be connected directly to any temperature controller.
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