Thermal measuring and testing – Temperature measurement – In spaced noncontact relationship to specimen
Patent
1996-06-18
1998-11-17
Gutierrez, Diego F.F.
Thermal measuring and testing
Temperature measurement
In spaced noncontact relationship to specimen
374133, G01J 502, G01J 516
Patent
active
058366920
ABSTRACT:
An infrared detector is positioned in a probe having nonthermocouple leads which connect to socket connectors of a standard hand-held voltmeter. The voltmeter has a clip to retain the probe. The detected voltage may indicate the difference between a target temperature surface and ambient temperature. For more accurate sensing of ambient temperature, a thermocouple may be connected in series with the thermopile with one junction at the thermopile cold junction temperature and another junction sensing ambient temperature. The ambient temperature may be that temperature surrounding the infrared detector or the temperature of the environment surrounding the meter. The infrared detector is calibrated to provide a direct reading of temperature degrees by a factor of ten on the voltage scale of the meter. To that end, multiple thermocouples may be connected in series, each with a junction responding to ambient temperature and a junction responding to thermopile cold junction temperature.
REFERENCES:
patent: 2986935 (1961-06-01), Cupido et al.
patent: 3690175 (1972-09-01), Butts
patent: 3848466 (1974-11-01), Dial et al.
patent: 4133700 (1979-01-01), Hollander et al.
patent: 4301682 (1981-11-01), Eversest
patent: 4348898 (1982-09-01), Stan
patent: 4378701 (1983-04-01), Mountain et al.
patent: 4718777 (1988-01-01), Mydynski et al.
patent: 4759895 (1988-07-01), Fortune et al.
patent: 5145257 (1992-09-01), Bryant et al.
patent: 5169235 (1992-12-01), Tominaga et al.
patent: 5229612 (1993-07-01), Pompei et al.
patent: 5325863 (1994-07-01), Pompei
T Thermometry Infrared, p. 922, New Noncontact Infrared Thermometer and Infrared Thermometers and BTU Meter, Cole-Parmer Instrument Company, Chicago, Illinois. (no date).
"Principles of Infrared Thermocouples," The Infrared Temperature Handbook by Omega Engineering, Inc. Stamford, CT (1994), p. 37.
"The Temperature Handbook," Omega Engineering, Inc., pp. C-27 to C-30, C1-33, C1-34 (1989).
Exergen Corporation
Gutierrez Diego F.F.
LandOfFree
Differential radiation detector probe does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Differential radiation detector probe, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Differential radiation detector probe will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-877976