8/17/2019 Medicion_de_temperatura.pdf
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Termistores
T
R
RT = R0 exp β 1
T −
1
T 0
Termopares
T
V
Tipos de termopares/ / 17: 1T - ,
:// . . / /T
, . , . . .
TypeTemperature
range °C(continuous)
Temperaturerange °C
(short term)Toler ance class one (°C) Tol erance cl ass two
(°C)
IECColorcode
BSColorcode
ANSIColorcode
K 0 t o +1 10 0 ! 180 to
+1300±1.5 between ! 40 °C and 375 °C±0.004" T between 375 °C and
1000 °C
±2.5 between ! 40 °C and 333 °C±0.0075" T between 333 °C and
1200 °C
J 0 to +700 ! 180 to +800±1.5 between ! 40 °C and 375
°C±0.004" T between 375 °C and 750 °C
±2.5 between ! 40 °C and 333 °C±0.0075" T between 333 °C and 750
°C
N 0 t o +1 10 0 ! 270 to
+1300±1.5 between ! 40 °C and 375 °C±0.004" T between 375 °C and
1000 °C
±2.5 between ! 40 °C and 333 °C±0.0075" T between 333 °C and
1200 °C
R 0 t o +1 60 0 ! 50 to +1700±1.0 between 0 °C and 1100
°C±[1 + 0.003" (T ! 1100)] between 1100 °C and 1600 °C
±1.5 between 0 °C and 600 °C±0.0025" T between 600 °C and 1600
°C
Notdefined.
S 0 to 1600 ! 50 to +1750±1.0 between 0 °C and 1100 °C±[1
+ 0.003" (T ! 1100)] between 1100 °C and 1600 °C
±1.5 between 0 °C and 600 °C±0.0025" T between 600 °C and 1600
°C
Notdefined.
B+200 to+1700
0 to +1820 Not Available ±0.0025" T between 600 °C and 1700
°C
Nostandardusecopperwire
Nostandardusecopperwire
Notdefined.
T ! 185 to +300 ! 250 to +400±0.5 between ! 40 °C
and 125 °C±0.004" T between 125 °C and 350 °C
±1.0 between ! 40 °C and 133 °C±0.0075" T between 133 °C and 350
°C
E 0 to +800 ! 40 to +900±1.5 between ! 40 °C and 375
°C±0.004" T between 375 °C and 800 °C
±2.5 between ! 40 °C and 333 °C±0.0075" T between 333 °C and 900
°C
, .
, – . . ,
.
Calibración
Substance and its stateDefining point in kelvins
(range)Defining point in degrees Celsius
(range)
Vapor-pressure / temperature
relation of helium-3 (by equation)( 0. 65 to 3. 2) ( -2 72 .5 0
t o - 26 9. 95 )
Vapor-pressure / temperature
relation of helium-4belo w its
lambda point (by equation)
( 1 .2 5 t o 2. 17 68 ) ( - 27 1 .9 0 t o - 27 0. 9 73 2 )
Vapor-pressure / temperature
relation of helium-4 above its
lambda point (by equation)
( 2 .1 76 8 to 5 .0 ) ( - 27 0 .9 7 32 t o -2 6 8. 15 )
Vapor-pressure / temperature
relation of helium (by equation)(3 to 5) (-270.15 to
-268.15)
Triple point of hydrogen 13.8033 -259.3467
Triple point of neon 24.5561 -248.5939
Triple point of oxygen 54.3584 -218.7916
Triple point of argon 83.8058 -189.3442
Triple point of mercury 234.3156 -38.8344
Triple point of water 273.16 0.01
Melting point1 of gallium 302.9146 29.7646
Freezing point1 of indium 429.7485 156.5985
Freezing point of tin 505.078 231.928
Freezing point of zinc 692.677 419.527
Freez ing po int of al umin um 9 33 .4 73 6 60 .3 23
Freezing point of silver 1234.93 961.78
Freezing point of gold 1337.33 1064.18
Freezing point of copper 1357.77 1084.62
