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Thermocouple
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Thermocouples
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Since the 90s, Dpstar Group has positioned itself as a leader in the design and manufacture of high-quality temperature sensors, temperature controls, and process systems. Over the years, we have grown to meet each new challenge in the market through innovative product development, continuous process improvements, and a commitment to high-quality standards.
Our design and manufacturing capabilities are diverse and flexible to satisfy all of your requirements. Plus, our engineering experience supports you with product solutions from concept through production, and state-of-the-art design software allows our staff to provide dynamic visual enhancements of prototype designs prior to manufacturing. We service a wide range of industries and applications including metals processing, steel, petrochemical, copper, and much more. We’re dedicated to a quality control program that sets us apart in the industry. You can always look to us for a great product!
Thermocouples for Industrial Applications
Industrial Thermocouples are used in a wide variety of applications, from Power Generation to Machinery, Plant & Tank Measurement. They are designed to withstand harsher environments than other sensor types, which is common in industrial applications. The choice of a specific style is to a large degree determined by the temperature working range, ambient atmospheric or media conditions, as well as the size and shape required for the application. Control requirements such as accuracy and speed of response may also be considerations.
Industrial Thermocouple TA 1003 designed to measure temperatures in industrial environments with gaseous or liquid media, e.g. air, steam, gas, water or oil. Temperature range: -200°C to 600°C or higher depending on thermocouple and the protection tube. Closed-end 316SS acid proof protection tube with a welded process connection 1/2″BSP. Aluminium connection-head DIN. Cable gland M20x1.5mm included. Calibration K,T.J,E,N,U or L. Single or duplex.
Working Principle of Thermocouples
To have a full understanding of how a thermocouple works, it’s important to know what a thermocouple is. A Thermocouple is a type of temperature sensor which is made up of two wires of dissimilar metals. It measures temperature using the Seebeck effect. The Seebeck effect can be elaborated as the generation of differential voltage due to the difference in electrical conductivity of two different materials. Named after French scientist, Thomas Johan Seebeck, who confirmed if two dissimilar metals are joined and heated, the difference in the temperature rise of these two metals gives rise to electromotive force (EMF). The same concept is reversed in the application of thermocouples.
As the electric current is passed through two welded dissimilar metals, the voltage difference occurs, which is reverse projected to calculate the temperature difference. As, the electric current passes through a junction, due to limitations in conductivity and resistance of the metals, a rise in temperature takes place. Both the materials heat up at different temperatures and the difference in conductivity gives two different voltages for two different metals.
Types of Thermocouples
There are many types of thermocouples, each with its own unique characteristics in terms of temperature range, durability, vibration resistance, chemical resistance, and application compatibility. Below are the types of thermocouples, their individual composition, and temperature range:
Thermocouple Color Codes
Each type of thermocouple has multiple colors associated with it. Standard grade and extension grade wire have their own respective colors, while the positive and negative leads also have associated colors. The following chart includes thermocouple color codes by country:
Applications
Thermocouples are used in a wide range of industries, and Dpstar have an information guide to help you determine the most suitable product for your processes. The following details are a brief introduction to the types and uses of thermocouples.
Thermocouples play an important role in industrial applications because:
Consider the following parameters before purchasing the industrial thermocouples:
Maltec-T Thermocouple_DpstarGroup
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