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Thermocouple extension wire is used to extend the thermode, that is, the cold junction of the movable thermocouple, to connect with the indicating instrument to make up a temperature measurement system.
Extension wires fall into two kinds: one is the extension type, and the other is the compensation type. The wire same as the two thermocouple wires of the Graduation Mark, and is known as the extension type. The wire, formed by copper-cupronickel materials with different proportions, is called the compensation type.
The two kinds of extension wire both have good properties of resistance to acid, alkali, abrasion and fire, their temperature range used commonly is -25-+200℃.In addition, it can be used for a long time by immersing into the oil. The extension wire complies with GB/T4989-94-1994standard.
The extension wire listed in the table applies to the graduation symbol of S,(R), K, E, J, and T.
The extension wire types can be divided into SC, KC, KX, EX, JX, and TX in accordance with the product type.
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Jiangsu Zhaolong Electrics Co., Ltd.
Jiangsu Zhaolong Electrics Co., Ltd. is a regional high-tech enterprise and a production base of temperature sensors and temperature control instruments. We have jointly developed and produced a series of thermocouples (thermal resistances) and temperature control electronics with numerous R&D institutions and academies in Shanghai. These products are salable throughout the country and the world, offering an advantage in cost performance. Our products have a renowned reputation in the market and win customers' trust due to their excellent performance, attractive appearance, high reliability, advanced technology, and good cost performance.
With strong technical development team and patent results, we can undertake business for normal and special specifications, and can design & install various large-scale and small-scale automatic temperature control boxes and temperature control rooms and remote monitoring temperature control systems for customers.
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