/15 pts) A type K Thermocouple is calibrated at different temperatures with the
ID: 2266348 • Letter: #
Question
/15 pts) A type K Thermocouple is calibrated at different temperatures with the following calibration curve. A t voltmeter with reference junctions of the thermocouple in ice water. When the thermocouple tip is placed on a surface with unknown temperature, the yoltage output reads!1.68 my. hermocouple transducer is connected to a d. What is the temperature of the surface? e. What is the sensitivity of the thermocouple transducer? f. What is the offset of the transducer? Type K thermocouple calibration curve y. 0.04x-0.2409 R2 0.9967 8 20 15 50 200 400 600 800 1000 1200 Temperature (Degrees Celsius)Explanation / Answer
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The relationship between the temperature t and the output voltage V , as given in the graph is :
V = 0.04t - 0.2409
If V = 11.68mV, from the above relation, t = 6.31 degree Celsius.
The sensitivety of the transducer is the slope of the graph = 0.04mV/degree C.
The offset of the transducer is -0.2409, which is the y intercept of the graph.
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