Metal process

Process Parameters publishes an article on types of thermocouples

Industrial temperature measurement specialists Process Parameters have provided additional information regarding types of thermocouples. Discussing thermocouples exclusively, Process Parameters describes how each type of thermocouple is assigned an alphabetic code to denote a specific alloy combination. The most commonly used code letters are K, J, T, and N. Rarer types are R, S, E, B, C, and W.

A thermocouple is a temperature measurement sensor. This sensor consists of two dissimilar metal wires joined at one end and connected at the other to a thermocouple thermometer or other thermocouple-compatible device. When properly tuned, thermocouples can measure temperatures over a wide temperature range.

Process Parameters went on to explain that each type of thermocouple has its own alloy pair, which is carefully selected and calibrated according to international standards that must be adhered to. BS EN 60584 is the standard that governs thermocouples in the UK and Europe. It specifies the characteristics, tolerances and color coding of the different types of thermocouples.

Depending on the type, the temperature range of the thermocouple is between -200C and +1800C. There are many things to consider when choosing a type of thermocouple for a given application. The lifetime of a thermocouple must also be considered, especially at extreme temperatures; it may be preferable to use infrared pyrometers, which monitor the temperature from outside the process.

The connection of thermocouple probes to extension or compensation cables is facilitated by thermocouple connectors. The pins of each connector are polarized to ensure proper connection. Process Parameters offers an extensive selection of thermocouple connectors for use with thermocouples and platinum resistance thermometers. Miniature and standard sizes with two or three pins are offered to accommodate temperature ranges of 200?, 350? and 650?. Process parameters can meet all connector needs, regardless of design.

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Contact information:
Name: Jonathan Apperley
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Organization: Process Parameters Ltd
Address: Unit 3 Woodlands business park Woodlands Park Avenue, Maidenhead, England SL6 3UA, United Kingdom
Phone: +44-1628-778688

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