001 Front Cover

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Thermocouple and Extension Wire - Resistance

! Note: These figures are only approximations. .lf the thermocouple resistance is a fair percent calculations.

value shown by 3.281.

lf you require resistance in OHMS per meter, multiply the

factors for making your

of the total resistance of your millivolt meter, use these

Bare Wire Resistance - lohms per foot @ 2l'C ot 7o'Fl

.282 - .267 -

1.13 7.16 1.07 6.71

Platinum 30% Rhodium Platinum 67" Rhodium

.549 : , 2.20 13.95

2.8

1.6

2.1

1.2

Combinded

1.1

BX Positive Copper

.088 .010 .098

Combinded

.026 - .014 .164 - .415 .663 1

.050 2.68 4.29 27 .04

Ni, 10o/" Ct Constantan

.018 - .072 .114 -

.85 3.15 1B-7C

.291 .415 .728 1

.176 .278

Combinded .044

.706 1.078 1,778 4.53 7.44 45.74 1.02

1 .05 1.13 1.2

.004 - .600 3.83 .018 - .072 .114 - .291 - .728 - 2.92 18.7C .015 .023 - .059 - .149 -

lron Constantan

Combinded ,022

2.5

,Og7 .197

1.13 1.33 1.7

.016 .026 .051 .014 .164 - .oo7 .011 .021 .043 .069 - j73 .276

.415 .663 1.050 2.68 4.29 27.04

Ni, 10"h cr Ni, 5% Al, si

.11 1

.78 11 .26

1

1 .14 1.30 1.62 2.01

1 .05

.036 - 1 .448 3.69 - 36.56 .013 - .053 .083 - .210 - .532 1.35 - 13-44 .143 .225 - .571 -

Ni, 1 4o/o Cr Ni, 4.5% Si, .1%Mg

1.980 5.04

.781

.195 .308

Combinded .049

50.00

.059 - .150 - 117 - .300 -

.600 3.81 1.20 7.61 1.80 1l'.42

Platinum Platinum 13% Rhodium

.450

.176

2.5 3.5

1.3 1.75

Combinded

1.1

.004 - .014 -

.010 .024 ,034

Copper #11 Alloy

Combinded

.018

.059 - .150 - .0112 - .288

.600 3.81 1.15 7.30

Platinum Platinum 10% Rhodium

.171

.438 '

.75 11 "1 1

2.6 3.5

1.3

1.8

Combinded

1.1

1

.003 .004 - .010 - .072 .014 - .291 - .728 1

.026 0.07 .220 .650

Copper Constantan

.85 3.15 18.7C ,95 3,37 19.35

.301

.075 .018

,754 1

1 .10 1.25

Combinded

f

.111

.493

t I

CxP (was Alloy 405) cxN (was Alloy 426)

.460

Gombinded

07

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