Unless you are an industrial scientist or engineer, you have probably never heard of a gadget called a thermowell; but this tool is an essential one in all processing applications that require accurate yet contamination-proof temperature measurement. Here's a quick guide.
Temperature sensors can be fragile. Period. Many of them are simply not designed to work while in contact with chemicals, for example; some are simply not mechanically compatible with the environment they are being asked to measure. So in a nutshell, a thermowell is a protective "sleeve" of sorts that allows a temperature sensor to do its job while providing a physical barrier between the sensor and its environment. At the same time: when the sensor needs to be removed, it can be done easily and unobtrusively without causing harm to either the sensor or the ambient region surrounding it.
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A thermowell comes in many different shapes and sizes depending on the application, of course. The most common designs are threaded-straight, weldable-tapered, flanged-tapered, and socket-tapered. In layman's terms, imagine that your child has a fever and needs her temperature taken. The thermometer is like a sensor, and the disposable sleeve you put over the thermometer is like a thermowell. The disposable sleeve protects the thermometer from germs while still allowing it to do its job; the same is true of a thermowell's relationship with the temperature sensor.
Thermowells are great little gadgets that perform an important function in a wide range of industrial heat measurement applications. Because thermowells are asked to perform perfectly in any number of difficult environments and applications, employees in charge of selecting them should always select products with a proven track record to avoid costly mishaps.
Thermowells - A Quick Guide
Pyromation.com ( http://www.pyromation.com/products/Thermowells.aspx ) produces thermowells that have a proven track record in a wide range of industries and applications.
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