 Plastics Industry
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Description
Thermocouples & RTDs – Description
Thermocouples & RTDs are used in a variety of applications. Thermocouples are the temperature sensor of choice primarily in plastics extrusion, injection molding, thermoforming, blow molding and blown film applications. The thermocouples favorable characteristics include good inherent accuracy, suitability over a broad temperature range, relatively fast thermal response, ruggedness, high reliability, low cost and great versatility of application. Resistance Temperature Detectors (RTDs) are commonly used in applications where accuracy and repeatability are important. Platinum RTDs have very repeatable resistance vs. temperature characteristics over time. RTDs are more expensive than thermocouples and are not suitable in high vibration and mechanical shock environments. At higher temperature conditions RTDs are more stable than thermocouples.
Plastic Industry Thermocouples-Brochure
Which Temperature Sensors to Choose From-Thermocouple. RTD, Thermistor
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