Smart IR Thermometer

Aug. 5, 2004
The SmartIRt/c uses infrared rather than thermocouples to make temperature readings.


In operation, an onboard microcomputer linearizes the measured signal and scales it in conjunction with scaling factors entered into a PLC to which it connects. Gain adjustments are made to calibrate for emissivity and the PLC displays the correct compensated temperature over the full range of the device. Several 4 to 20-mA output models feature 1-K loop impedance. Linear temperature ranges of 0 to 500 and 0 to 1,000°C are available. Output pins/triggers for alarm points are programmable and Labview executable software for RS-232 output models is available.

Exergen Corp.,
51 Water St., Watertown, MA 02472,
(617) 923-9900,

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