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Development Of Measuring Amplifier For Thermocouple Measurement.

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IV

ABSTRACT

During making this research. it is study about amplifier and heat transfer in more

details. Heat transfer is divided into three categories which are conduction. convection

and radiation. There also needs to know about hardware because for easily choose while

doing experiment to get the suitable data. And also about thermocouple, the first thing

need to know is the temperature of pipe or ducting need to measure. Then that can

choose a suitable thermocouple with temperature. The table of thermocouple is used as a

reference in measuring temperature. In order making interface. the main device needed

is PIC 16F877 and MAX232. In this research also. the measuring amplifier was

developed. It is used to increase the potential voltage of thermocouple from m V level to

the level between 0 and 5V. This is required to reduce the quantization error during the

sampling process using internal analogue to digital converter installed in PIC 16F877

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