Transcription of A Basic Guide to Thermocouple Measurements
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Application Report SBAA274 September 2018. A Basic Guide to Thermocouple Measurements Joseph Wu ABSTRACT. Thermocouples are common temperature sensors used in a wide variety of commercial and industrial applications. While slightly less accurate than resistance temperature detectors (RTDs), thermocouples cover a wide temperature range, are self-powered, and have a fast response time. Their simple construction make them inexpensive and durable. Because of the small sensor voltage and low noise requirements, delta-sigma analog-to-digital converters (ADCs) are ideal data converters for measuring thermocouples.
Temperature ( qC) Thermocouple Voltage (mV)-400 -200 0 200 400 600 800 1000 1200 1400 1600 1800-20 0 20 40 60 80 Type J Type K Type T Type E Type S Thermocouple Overview www.ti.com 4 SBAA274–September 2018
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