Problem 1 Visit the website of any 3 thermocouple wire manufactures. Make a Tabl

Question

Problem 1 Visit the website of any 3 thermocouple wire manufactures. Make a Table showing: 1. The types of thermocouple wires they sell (try to select manufactures who sell all S different types of thermocouples at listed by NIST: http://srdata.nist.gov/its90/download/download.html 2. List the cost they mention Do you see any issue? Print the excel file you made and submit it. Make the following analysis: 1. Do you see a trend in the cost, i.e. does some type of thermocouple wire always cost more than the others? 2. If you see a trend in cost, explain why do you see this trend?

Explanation / Answer

the following price chart was obtained from Ali Express

Type K thermocouple : $3
Type J thermocouple : $2
Type T thermocouple : $12
Type E thermocouple : $3
Type N thermocouple : $14
Type S thermocouple : $14
Type R thermocouple : $22
Type B thermocouple : $69

so platinum rhodium -30% thermocouple is most expensive, followed by platinum rhodium -13%, followed by platinum rhodium -10%, followed by Nicrosil and followed by others
hence the trend we see in priocing is the expense of material used ( rarity of material) in constructing the thermocouple

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