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Thermocouple Probe

IP.com Disclosure Number: IPCOM000089802D
Original Publication Date: 1977-Dec-01
Included in the Prior Art Database: 2005-Mar-05
Document File: 2 page(s) / 24K

Publishing Venue

IBM

Related People

Karla, A: AUTHOR [+2]

Abstract

The thermocouple probe shown in the figure includes two thermocouple elements 1 and 2 of different metals that form the electrical measurement current for activating a meter (not shown) calibrated in the manner well known for electrically measuring the temperature of items. The leads 3 and 4, generally of the same metal as its associated thermocouple element, are suitably, electrically connected to the meter. The elements 1 and 2 are fastened to a resilient flexure member 5 by way of retainers 6 and 7 which electrically insulate the contacts 1 and 2 from the flexure member 5. The flexure member 5 can be suitably connected to a rod 8 by a screw 9 for applying the probe to the edge of a thin substrate to measure its temperature.

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Thermocouple Probe

The thermocouple probe shown in the figure includes two thermocouple elements 1 and 2 of different metals that form the electrical measurement current for activating a meter (not shown) calibrated in the manner well known for electrically measuring the temperature of items. The leads 3 and 4, generally of the same metal as its associated thermocouple element, are suitably, electrically connected to the meter. The elements 1 and 2 are fastened to a resilient flexure member 5 by way of retainers 6 and 7 which electrically insulate the contacts 1 and 2 from the flexure member 5.

The flexure member 5 can be suitably connected to a rod 8 by a screw 9 for applying the probe to the edge of a thin substrate to measure its temperature.

The contacting ends of the elements 1 and 2 have knife edges that are rounded concave to better contact the edge of the substrate. The contacts will flex upon application to the edge of the substrate, and thereby provide a wiping action to accomplish a good electrical contact for true temperature reading.

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