PT100 Temperature Sensor Rtd Sensor Armored Assembly Thermocouple with Ceramic Protection Tube

MICC Assembly Thermocouple with ceramic protection tube:

Thermocouple
A thermocouple is a temperature-measuring device consisting of two dissimilar conductors that contact each other at one or more spots. It produces a voltage when the temperature of one of the spots differs from the reference temperature at other parts of the circuit. Thermocouples are a widely used type of temperature sensorfor measurement and control,and can also convert a temperature gradient into electricity. Commercial thermocouples are inexpensive,interchangeable, are supplied with standard connectors, and can measure a wide range of temperatures. In contrast to most other methods of temperature measurement, thermocouples are self powered and require no external form of excitation.
 



 

Type of thermocouple core
Material        Type	Leg	core        material	Leg dia		JIS C 1602		ANSI
			JIS	ANSI	Max.operating        temp . In normal        application(ºC)	Max.operating        temp . In overheated        application(ºC)	Max.operaring        temp.(ºC)
B	+	Platinum 70% + rhodium 30%	0.5	0.5	1500	1700	1700
	-	Platinum 94% + rhodium 6%	0.5	0.5
R	+	Platinum 87% + rhodium 13%	0.5	0.5	1400	1600	1480
	-	high purity platinum	0.5	0.5
S	+	Platinum90%+ rhodium 10%	0.5	0.5
	-	high purity platinum	0.5	0.5
K	+	Nickel 90% + chromiun 10%        Nickel 95% + Manganese 2%        +Aluminum 2%	3.2	3.2	1000	1200	1260
			2.3	1.6	900	1100	1090
			1.6	0.8	850	1050	980
			1	0.5	750	950	870
			0.65	0.32	650	850	870
E	+        -	Nickel 90% +chromiun 10%        Copper 55%+nickel 45 %	3.2	3.2	700	800	870
			2.3	1.6	600	750	650
			1.6	0.8	550	650	540
			1	0.5	500	550	430
			0.65	0.32	450	550	430
J	+        -	high purity iron        Copper 55%+nickel 45 %	3.2	3.2	600	750	760
			2.3	1.6	550	750	590
			1.6	0.8	500	650	480
			1	0.5	450	650	370
			0.65	0.32	400	500	370
T	+        -	high purity copper        Copper 55%+nickel 45 %	1.6	1.6	300	350	370
			1	0.8	250	300	260
			0.65	0.5	200	250	200
			0.32	0.32	200	250	200
In addition to the above, special thermocouples such as L type, C type (W-W26% Re), Cu-CoAu etc,are available

 
Thermocouples are widely used in science and industry; applications include temperature measurement for kilns, gas turbine exhaust, diesel engines, and other industrial processes. Thermocouples are also used in homes, offices and businesses as the temperature sensors in thermostats, and also as flame sensors in safety devices for gas-powered major appliances.