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|sensor:||PT100 NTC Temperature sensor|
PT100 NTC Temperature Sensor
Platinum thermal resistance element as a temperature sensor, its working principle is in the function of temperature, the resistance value of the platinum resistance wire as temperature changes varies. The relationship between the temperature and the resistance is close to a linear relationship, the deviation is minimal and as time increases, the deviation can be ignored, and the electrical properties and stability.
Platinum thermal resistance is an accurate, sensitive, stable temperature sensor. Platinum thermal resistance components miniature ceramic tube hole built around the system good platinum thermal resistance wire is bodiless coil made of temperature-sensitive components, the temperature sensing element can be made quite small (the smallest outside diameter do Φ1.6 Φ0. 3mm) so it can be made of a variety of micro temperature sensor probe. A temperature within the range of -200 to 420 ° C can be used.
WZP series of platinum thermal resistance produced by our new standards JB/T8622-1997. The series has a small structure, the use of a wide range, good reliability, thermal response time is short, the formation of multi-species, multi-specification products for the petroleum, chemical, power station, metallurgy, light industry, food, textile, medical health, scientific research, agriculture, and machinery industry to provide a new generation of high-quality products.
A level tolerance range NA t> 650 °c temperature range, and does not fit a two-wire system.
Platinum resistance measurement allows the maximum current of 5mA, the resulting temperature rise is not more than 0.3 ° C
Heat resistance temperature sensing element in the ratio of 0 °c when the resistance value (R0) and the resistor (R100) at 100 °c (R100/R0)
Indexing number Pt100: Grade A R0 = 100 ± 0.06 Ω
Class B R0 = 100 ± 0.12 Ω
W100 = R (100 ) / R (0 °c) = 1.3851
Dimension: 4 * 30 * 500mm