(e) industrial oven is 600 °C. A K-type thermocouple which has its characteristics shown in the system snown in Figure Q4 (a). temperature the the figure used to measure the oven temperature. The analog-to-digital converter has a threshold value of 2.5 V: (i) Calculate the gain of the amplifier. (ii) If the amplifier used is a non-inverting amplifier with a feedback resistance of 62 kol, calculate the input resistance value. (iii) If the K-type sensor replaced by E-type discuss the minimum changes needed to measure the oven temperature. 80 Industrial Oven 60 K K 40 20 R K-type Thermocouples Amplifier Analog-to-Digital Converter 600 1000 1500 20000 Temperature C Oven with temperature Thermocouples measurement system characteristics

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