Table 11.3 Thermocouple Voltage (in millivolts) versus Temperature (in °C) for an Iron-Constantan Thermocouple 0 1 2 4 5 6 7 8 9 3 °C Millivolts 0.00 0.05 0.10 0.15 0.20 0.25 0.30 0.35 0.40 0.45 10 0.50 0.56 0.61 0.66 0.71 0.76 0.81 0.86 0.91 0.97 20 1.02 1.07 1.12 1.17 1.22 1.28 1.33 1.38 1.43 1.48 30 1.54 1.59 1.64 1.69 1.74 1.80 1.85 1.90 1.95 2.00 40 2.06 2.11 2.16 2.22 2.27 2.32 2.37 2.42 2.48 2.53 50 2.58 2.64 2.69 2.74 2.80 2.85 2.90 2.96 3.01 3.06 60 3.11 3.17 3.22 3.27 3.33 3.38 3.43 3.49 3.54 3.60 70 3.65 3.70 3.76 3.81 3.86 3.92 3.97 4.02 4.08 4.13 80 4.19 4.24 4.29 4.35 4.40 4.46 4.51 4.56 4.62 4.67 90 4.73 4.78 4.83 4.89 4.94 5.00 5.05 5.11 5.16 5.21 100 5.27 5.32 5.38 5.43 5.48 5.54 5.59 5.65 5.70 5.76 From CRC Handbook of Chemistry and Physics, 55th ed., Cleveland: CRC Press (1974), р. Е-109.

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The reference junction of an iron-constantan thermocouple is maintained at 0°C, and the other side is at an unknown temperature. Find the unknown temperature if the other side is 3.03 mV higher in potential than the reference junction

Table 11.3
Thermocouple Voltage (in millivolts) versus
Temperature (in °C) for an Iron-Constantan
Thermocouple
0 1
2
4 5 6 7 8 9
3
°C
Millivolts
0.00
0.05
0.10
0.15
0.20
0.25
0.30
0.35
0.40
0.45
10
0.50
0.56
0.61
0.66
0.71
0.76
0.81
0.86
0.91
0.97
20
1.02
1.07
1.12
1.17
1.22
1.28
1.33
1.38
1.43
1.48
30
1.54
1.59
1.64
1.69
1.74
1.80
1.85
1.90
1.95
2.00
40
2.06
2.11
2.16
2.22
2.27
2.32
2.37
2.42
2.48
2.53
50
2.58
2.64
2.69
2.74
2.80
2.85
2.90
2.96
3.01
3.06
60
3.11
3.17
3.22
3.27
3.33
3.38
3.43
3.49
3.54
3.60
70
3.65
3.70
3.76
3.81
3.86
3.92
3.97
4.02
4.08
4.13
80
4.19
4.24
4.29
4.35
4.40
4.46
4.51
4.56
4.62
4.67
90
4.73
4.78
4.83
4.89
4.94
5.00
5.05
5.11
5.16
5.21
100
5.27
5.32
5.38
5.43
5.48
5.54
5.59
5.65
5.70
5.76
From CRC Handbook of Chemistry and Physics, 55th ed., Cleveland: CRC Press (1974),
р. Е-109.
Transcribed Image Text:Table 11.3 Thermocouple Voltage (in millivolts) versus Temperature (in °C) for an Iron-Constantan Thermocouple 0 1 2 4 5 6 7 8 9 3 °C Millivolts 0.00 0.05 0.10 0.15 0.20 0.25 0.30 0.35 0.40 0.45 10 0.50 0.56 0.61 0.66 0.71 0.76 0.81 0.86 0.91 0.97 20 1.02 1.07 1.12 1.17 1.22 1.28 1.33 1.38 1.43 1.48 30 1.54 1.59 1.64 1.69 1.74 1.80 1.85 1.90 1.95 2.00 40 2.06 2.11 2.16 2.22 2.27 2.32 2.37 2.42 2.48 2.53 50 2.58 2.64 2.69 2.74 2.80 2.85 2.90 2.96 3.01 3.06 60 3.11 3.17 3.22 3.27 3.33 3.38 3.43 3.49 3.54 3.60 70 3.65 3.70 3.76 3.81 3.86 3.92 3.97 4.02 4.08 4.13 80 4.19 4.24 4.29 4.35 4.40 4.46 4.51 4.56 4.62 4.67 90 4.73 4.78 4.83 4.89 4.94 5.00 5.05 5.11 5.16 5.21 100 5.27 5.32 5.38 5.43 5.48 5.54 5.59 5.65 5.70 5.76 From CRC Handbook of Chemistry and Physics, 55th ed., Cleveland: CRC Press (1974), р. Е-109.
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