Thermal measuring and testing – Temperature measurement – By electrical or magnetic heat sensor
Patent
1988-08-23
1989-08-29
Shoap, Allan N.
Thermal measuring and testing
Temperature measurement
By electrical or magnetic heat sensor
374141, 136228, 136230, 136232, 136233, G01K 706
Patent
active
048611697
ABSTRACT:
A temperature sensor using a thermocouple, optimum for measurement of temperature of an object heated to a high temperature such as the tip of a soldering iron. Comprising a thermocouple formed by mutually bonding dissimilar metal materials, the junction of the dissimilar metal materials of thermocouple is covered with a good conductive metallic sleeve, and the measuring part is formed. Therefore, if an object high temperature contacts with the measuring part, the metal materials composing the thermocouple are not directly heated, and heat conduction to the metal materials is also excellent. Therefore, oxide coating due to heating rarely occurs in the measuring part, and the measuring performance of high precision may be maintained for a long period.
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Gutierrez Diego F. F.
Hakko Metal Industries Limited
Shoap Allan N.
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