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platinum resistance thermometer

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platinum resistance thermometer [′plat·ən·əm ri¦zis·təns thər′mäm·əd·ər]
(engineering)
The basis of the International Practical Temperature Scale of 1968 from 259.35° to 630.74°C; used in industrial thermometers in the range 0 to 650°C; capable of high accuracy because platinum is noncorrosive, ductile, and nonvolatile, and can be obtained in a very pure state. Also known as Callendar's thermometer.


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Also, unique platinum resistance thermometers (PRTs) deliver fast response, providing accurate and precise measurements of sample temperature, which are critical to absolute purity assessment.
This comparison, with NIST as a pilot laboratory, had a very large number of participants--15--and required the use of delicate thermometric fixed-point cells and standard platinum resistance thermometers.
Easy Model Selection Universal inputs that allow either thermocouples or platinum resistance thermometers to be connected to the same temperature controller help reduce stock quantities.
 
 
 
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