Thermal measuring and testing – Temperature measurement – In spaced noncontact relationship to specimen
Patent
1998-11-20
2000-08-01
Wong, Peter S.
Thermal measuring and testing
Temperature measurement
In spaced noncontact relationship to specimen
374133, 374208, 374121, G01J 502
Patent
active
060956828
ABSTRACT:
The combination in an instrument of a multimeter and an instrument having apparatus for determining a non-contact measurement of radiation perceived at a distance from a surface. The instrument may further have an apparatus for determining temperature of that surface by direct contact therewith. The non-contact apparatus may have optical sighting means and laser sighting means, and means for determining emissivity of the surface. Provision may be made for recording data, e.g. a data logger. Audio output may be provided in accordance with temperature determinations, and may include speech synthesizing. Conveniently, the instrument is adapted for holding in the hand, for example by a pistol-grip handle, and/or for mounting on a tripod as well as a threaded connection with a wrist strap or a tripod. Temperatures derived respectively from infrared radiation, and from direct contact, have separate displays. The multimeter and the temperature instrument may have means for their control by vocal command.
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Baghai Shahin
Hollander Milton Bernard
Macchiarelli, Jr. Michael A.
Drucker William A.
Omega Engineering Inc.
Tibbits Pia
Wong Peter S.
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