Idaho Laboratories Corporation - Thermocouple Wire Resistance Information    

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The following table shows the different wires available, and the resistance of each. Please note these are for reference only, as the actual measured values may vary.

Alloy

Composition

Resistance (Ī©/ cmf)

 

Density(lb./in3)

Tensile Strength - annealed (ksi)

Suggested MAX Operating Temp (°F)

KP

90% Ni / 10% Cr

425

0.315

95

2300

KN

95%Ni/5%(Mn,Si,Al,Co)

177

0.311

85

2300

JP

99.5% Fe

60

0.284

65

1400

JN

45Ni / 55 Cu

300

0.322

60

1400

EP

90 % Ni / 10% Cr

425

0.315

95

1600

EN

45Ni / 55 Cu

300

0.322

60

1600

TN

45Ni / 55 Cu

300

0.322

60

700

NP

14 Cr/1.5Si/Bal Ni

585

0.307

90

2300

NN

4.5 Si / 95.5 Ni

215

0.314

65

2300

Alloy 11

1 Ni / 99 Cu

25

0.322

40

400

· information courtesy of Harrison Alloys

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