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1 What s a resistance Thermometer Sensors ?This is for measurement of resistance change according to the change of metal THERMOMETER SENSORSE lectrical resistance of a metal increases and decreases with the change of its temperature. There is a certain relation between the temperature change and the electrical resistance change. The heat-sensitive area of a measuring instrument to measure resistance change with the temperature change using the relation and indicate it is called the resistance Thermometer Sensors .01-1 AOI 200 C+650 C 0 C 100 1mA 2mA 2 3 4 80 350 C 200 650 C resistance Thermometer Sensors of AOIAOI Kinds of resistance Thermometer Sensors 200 C 100 C C C100 C 650 C Temperature tolerance of platinum resistance element TEL.

2 06-6629-0821 FAX:06-6628-3979 100 50 80mmL16 50 80mmL 100 15mmL 0 C R100 (JIS'89) 100 C 0 C 3. pt100 Pt10 600 C resistance THERMOMETER SENSORS01-2kinds pt100 (JIS C 1604-1997) C A B C C -200 CPt100 A ( ltI )B ( ltI ) 1. t 2. ltI C 3.

3 A 2 650 C C L 200 +100M 0 350H 0 650(1)S(2) 0 850 C (1) 500 C (2) Classified by operating temperature rangeResistance table Tolerance Tolerance of pt100 measured temperatureRESISTANCE THERMOMETER SENSORS (1) (2) pt100 1 standard resistance S 01-3 Connections of internal wires S A B Types of resistance Thermometer Sensors conductors 1mA 2mAregulated current 2 3 4 types of resistance thermometer sensors conductors 0 C Rt t C 2.

4 200 C 0 C Rt=R0[1+At+bt2+C(t 100)t3] ..(1)0 C 850 C Rt=R0(1+At+bt2) ..(2) A= 10 3 C 1 B= 10 7 C 2 C= 10 12 C 4 IEC