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Technical performance of commonly used thermal resistors
Date: 2022-02-09Read: 10

Technical performance of commonly used thermal resistors

name

graduation mark

Temperature range ℃

Resistance value R at 0 ℃0Oh

Resistance ratio

R100/R0

Main Features


Standard thermistor

Platinum resistance (WZP)

Pt10

-200~850

10±0.01

1.385±0.001

High measurement accuracy, good stability, and can be used as a reference instrument

Pt50

50±0.05

1.385±0.001





Pt100

100±0.1

1.385±0.001





Copper resistance (WZC)

Cu50

-50~150

50±0.05

1.428±0.002

Good stability and affordability; But with a large volume and low mechanical strength


Cu100

100±0.1

1.428±0.002





Nickel resistance (WZN)

Ni100

-60~180

100±0.1

1.617±0.003

High sensitivity and small size; But the stability and reproducibility are poor


Ni300

300±0.3

1.617±0.003





Ni500

500±0.5

1.617±0.003





Low temperature thermistor

Indium resistance


3.4~90K

100


Good reproducibility, with sensitivity ten times higher than platinum resistors in the temperature range of 4.5-15K; But the reproducibility is poor, the material is soft, and it is prone to deformation

Rhodium iron thermistor


2~300K

20. 50 or 100 R4.2k/R273kApproximately 0.07


Has high sensitivity, good reproducibility, and can perform precise measurements within the temperature range of 0.5-20K; But the long-term stability and reproducibility are poor


Platinum cobalt thermistor


2~100K

100 R4.2k/R273kApproximately 0.07


Good thermal response, small natural size, good mechanical properties, and significantly higher sensitivity than platinum when the temperature is below 300K; But it cannot be used as a standard thermometer