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Metal Sheathed Thermocouple

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Product Description

Metal Sheathed Thermocouple

Metal sheathed thermocouple has the highest accuracy and the lowest price among base metals. Sheathed thermocouple uses shielded thermocouple wire, the common length is 500mm, the sheath diameter is Φ3~Φ8mm, and it has the characteristics of flexibility, high pressure resistance, fast thermal response time, and long service life. T-type thermocouple can directly measure the temperature of liquid, steam, gas medium and solid surface in the range of -200~+350℃ in various production processes.

Extension wire of thermocouple is often constituted by alloy wire, insulating layer, protective jacket and shielding layer of extension wire. Within the normal temperature range below 100%C, extension wire has the same character as nominal value of thermal electromotive force of matched thermocouple. And it can extend the reference junction of thermocouple when connecting with thermocouple. Extension wire can be divided into extension type and compensation type. Its advantage is to improve flexibility of circuit and make wiring convenient. At the same time, it can adjust line resistance and prevent outside interference. What's most important is that it can reduce cost of circuit.

Advantages

Sheath thermocouple is a solid integrity which is formulated by thermocouple wire, insulating material and metal sheath through stretching or rotary swaging. The diameter of sheath thermocouple can be processed small and long.
Thermal inertia or thermal response time of thermocouple is short. It has significant importance to modern industrial production process that adopts computer to detect and control.
It saves materials, especially precious metal, thus reducing cost.
Thermocouple has great flexibility, thus it can be applied to measure temperature of industrial production equipment with complex structure.
Long service life
Sheath thermocouple has favorable mechanical property, thus it can resist strong vibration and impact. It can be suitable for temperature measurement of production equipment with vibration and impact.
It has high pressure resistant and has favorable insulation in high temperature. Thus it is suitable for temperature measurement of equipment in industrial production process with high temperature or high pressure or both.