Porstech Electronics Co., Ltd.

China Manufacturer with main products: Industrial Instrumentations, Signal Isolator, Signal Conditioner, Thermocouple, Thermo Resistance, Pressure Transmitter, Temperature...

Home  >Products Catalog > Temperature sensor > Pors-TR(K) Armored Resistance Thermal Detector (RTD)

Pors-TR(K) Armored Resistance Thermal Detector (RTD)

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◆ Application
     Pors-TR(K) series armored RTD are generally, matching with indicator, recorder, PC, used to measure temperature of liquid, steam, gas and solid’s surface within range of -200℃~ 500℃ in producing process; and can work as sensoring element of the fabricated RTD.

◆ Working Principle
     Resistance of RTD varies with temperature change; this feature is used for RTD to measure temperature. When resistance of the RTD changes, the connected indicator will display the corresponding temperature.

◆ Features
     Rapid thermal response, dynamic error reduce; 
     Little diameter, no limit to length;
     High accuracy;
     Imported film resistance element used, performance is stable and reliable;

◆ Standard: The sensors are made complying with standard: IEC60751, JB/T8622-1997

◆ Measuring range and Tolerance

Model Type Measuring range ℃     class Tolerance
TRP PT100 -200~500 A ±(0.15+0.002|t|)
B ±(0.30+0.005|t|)
Note: t is temperature of the measured medium;

◆ Insulation resistance  (Normal temperature)
     In temperature of 15~35℃, related humidity is not more than 80%, tested voltage is 10~100V (DC), insulation resistance between electrode and external shetath is more than or equal to 1000MΩ.

◆ RTD's diameter and material
RTD wire Single Double
Sheath diameter Φ3, Φ4, Φ5, Φ6, Φ8 Φ4,Φ5,Φ6,Φ8
Sheath material 1Cr18Ni9Ti 1Cr18Ni9Ti

◆ Thermal response time
Sheath's diameter Thermal response time (s)
Φ3 ≤3
Φ4 ≤5
Φ5 ≤8
Φ6 ≤12
Φ8 ≤15

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