The best place to start is microchip app note AN684 - Single Supply Temperature Sensing with Thermocouples by Bonnie C. Baker. hxxp://www.microchip.com/download/appnote/analog/adc/00684a.pdf
Hai All!
I have almost the some project! but i want to use "K" Type of Thermocouple!
The application note(AN-684) from Microchip only discuss about thermocouple measurement technique with SINGLE SUPLY signal conditioner circuit! how can i read the minus reading?
Can any one help me about SYMETRIC/SPLIT SUPLY signal conditioner circuit for "K" type thermocouple?
i want to build a j type thermocouple conditioner.
i saw some circuit i note that they used a diode junction at the input for ice point componsation. please tell me how this diode can componsate the ambient temperature.and please introduce me a document about thermocouple coefficients relative to a reference metal(eg: fe-pt or cu-pt).
thanks. :?: :?:
Hai All!
I have almost the some project! but i want to use "K" Type of Thermocouple!
The application note(AN-684) from Microchip only discuss about thermocouple measurement technique with SINGLE SUPLY signal conditioner circuit! how can i read the minus reading?
Can any one help me about SYMETRIC/SPLIT SUPLY signal conditioner circuit for "K" type thermocouple?