Non-contact passive temperature measuring system and method of o

Details Non-contact passive temperature measuring system and method of o Non-contact passive temperature measuring system and method of o

1998-03-25

2000-04-18

Bennett, G. Bradley

Thermal measuring and testing

Temperature measurement

In spaced noncontact relationship to specimen

73105, 73 2401, 250306, G01J 500, G01B 500, G01N 2912

Patent

active

060507225

ABSTRACT:
A non-contact infrared thermometer measures target temperatures remotely without requiring the ratio of the target size to the target distance to the thermometer. A collection means collects and focusses target IR radiation on an IR detector. The detector measures thermal energy of the target over a spectrum using micromechanical sensors. A processor means calculates the collected thermal energy in at least two different spectral regions using a first algorithm in program form and further calculates the ratio of the thermal energy in the at least two different spectral regions to obtain the target temperature independent of the target size, distance to the target and emissivity using a second algorithm in program form.

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