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Effects of temperature on the response time of thermocouples and resistance thermometers

Conference ·
OSTI ID:6804827
;
The response times of sheathed thermocouples and platinum resistance thermometers both bare and in thermowells were measured at temperatures up to 650/sup 0/C using plunge tests and an in situ loop-current step-response (LCSR) measurement technique. Both methods of measurements agreed over a wide range of sensor sizes and response times, verifying the LCSR method. The response times were temperature dependent. The magnitude and direction of the temperature-dependence of response time varies from sensor to sensor. The response time of the sensor at the operating conditions must be measured when the sensor is at operating temperature.
Research Organization:
Oak Ridge National Lab., TN (USA)
DOE Contract Number:
AC05-84OR21400
OSTI ID:
6804827
Report Number(s):
CONF-8409109-2; ON: DE84016855
Country of Publication:
United States
Language:
English

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Related Subjects

440300* -- Miscellaneous Instruments-- (-1989)
47 OTHER INSTRUMENTATION
ALKALI METALS
ELECTRICAL EQUIPMENT
ELEMENTS
EQUIPMENT
FLUIDS
FUNCTIONS
GALLIUM
INDIUM
LIQUID METALS
LIQUIDS
MEASURING INSTRUMENTS
METALS
RESISTORS
RESPONSE FUNCTIONS
SODIUM
TEMPERATURE DEPENDENCE
TEMPERATURE EFFECTS
TESTING
THERMOCOUPLES
THERMOMETERS
TIMING PROPERTIES
TIN
TRANSIENTS