Temperature Measurements with Thermocouples: How-To Guide
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چکیده
Qualitatively, the temperature of an object is determined by the sensation of heat or cold felt by touching an object. Technically, temperature is a measure of the average kinetic energy of the particles in a sample of matter, expressed in units of degrees on a standardized scale. You can measure temperature in many different ways that vary in cost of equipment and accuracy. Thermocouples are one of the most common sensors used to measure temperature because they are relatively inexpensive yet accurate sensors that can operate over a wide range of temperatures. View a 60-second video on how to take a Thermocouple Measurement
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How to Maximize Temperature Measurement Accuracy
Thermocouples are the most versatile and widely used devices for temperature measurements. They are inexpensive, reliable, rugged, and can be used over a wide temperature range. These sensors require cold junction compensation and complex linearization algorithms to achieve good accuracy. The output voltage of thermocouples is very small (tenths of mV) and hence require high gain amplifiers bef...
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