The unit uses a full H-bridge configuration and handles up to 25 A of thermoelectric module current. Models are available for 12 and 24 VDC power with 150 and 320 W output. Feedback comes from thermistor temperature probes from 5000 to 50,000 ohms. Control can be on/off or PID. Software that comes with the unit makes it easy to change control configurations through the RS-232 interface which has 1500 VAC isolation from the electronic circuitry, virtually eliminating interference from noise or errant signals. Once the controller is set up, the computer may be disconnected and the controller becomes a stand alone unit or the computer can remain connected for data acquisition. The temperature may also be set through the optional display or remote potentiometer. The load circuit is pulse width modulated at 2.7 kHz
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Oven Industries
www.ovenind.com
877.766.6836
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