Question

If a J-type thermocouple has two junctions shown on the right with temp T₁ and T3. The known junction (as the reference Vref) is a cold junction (32°F or 0°C), i.e., Vref = 0 mV, and the measured voltmeter output (Vo) is 0.236 mV as the x value. Determine the estimated J-type thermocouple temperature (y) value based on Vm. (Hint: use interpolation) y1 y y2 °F 40 0 40+1=41.40+2=42°F 2 Volt- 30 -0.056 -0.028 0.000 VoVm Vr meter 40 0.225 0.253 0.281 50 0.507 0.535 0.563 x1 x x2 TI Vm Vref or Vr T3 y (°F) = m*x+b→m≈ type your answer... →y (°F) = type your answer... °F Note: please enter your answer as a decimal rounded to the 2nd decimal place. (e.g., 9.81). And add a '-' sign if your answer is negative.nd

          If a J-type thermocouple has two junctions shown on the right with temp T₁ and T3. The known junction (as the reference Vref) is a cold junction (32°F or 0°C), i.e., Vref = 0
mV, and the measured voltmeter output (Vo) is 0.236 mV as the x value. Determine the estimated J-type thermocouple temperature (y) value based on Vm. (Hint: use
interpolation)
y1 y y2
°F
40
0
40+1=41.40+2=42°F
2
Volt-
30
-0.056 -0.028
0.000
VoVm Vr
meter
40
0.225 0.253 0.281
50
0.507 0.535 0.563
x1 x x2
TI
Vm
Vref or
Vr
T3
y (°F) = m*x+b→m≈ type your answer...
→y (°F) =
type your answer...
°F
Note: please enter your answer as a decimal rounded to the 2nd decimal place. (e.g., 9.81). And add a '-' sign if your answer is negative.nd

if a j type thermocouple has two junctions shown on the right with temp t1 and t3 the known junction as the reference vref is a cold junction 32f or 0c ie vref 0 mv and the measured voltmete 53682

Added by Carla B.

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