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Description

What is J type temperature sensor or J type thermocouple?

J type thermocouple also known as iron - Kang Tong is also a thermocouple, cheap cheap metal thermocouple. Its cathode (JP) on behalf of the chemical composition of pure iron anode (JN) for copper nickel alloy, often vaguely called Kang Tong, the name of its chemical composition: 55% copper and 45% the nickel and a small but important manganese, cobalt, iron and other elements, although it is called Kang Tong, but unlike Kang Tong and Kang Tong copper - nickel - chromium - Kang Tong, EN and TN can not be used to replace.

The areas covered iron Kang Tong thermocouple measuring temperature of -200~1200 DEG C temperature range, but usually used for the 0 ~750 C.J type thermocouple with cable is good, thermoelectric larger, higher sensitivity, stability and uniformity is good, the advantages of cheap, widely used by users. The type J thermocouple can be used in vacuum, oxidation, reduction and inert atmosphere, but positive iron oxidation at high temperatures is fast, so use temperature is limited, too not directly without protection at high temperatures for curing atmosphere.

Specification

Model	Graduation mark	Temperature measured	Mounting& Fixing
WRK	K	0-1300°C	1. Without Fixing Device 2. Threaded Connector 3. Movable Flange 4. Fixed Flange 5. Elbow Tube Connection 6. Threaded Cone Connection 7. Straight Tube Connection 8. Fixed Threaded Tube Connection 9. Movable Threaded Tube Connection
WRE	E	0-700°C
WRJ	J	0-600°C
WRT	T	0-400°C
WRS	S	0-1600°C
WRR	R	0-1600°C
WRB	B	0-1800°C
WRM	N	0-1100°C

Application

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.

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