Non-contact infrared temperature sensing system

Details Non-contact infrared temperature sensing system Non-contact infrared temperature sensing system

1991-10-21

1993-02-16

Yasich, Daniel M.

Thermal measuring and testing

Temperature measurement

In spaced noncontact relationship to specimen

364557, 374126, 374153, G01J 510, G01N 2500

Patent

active

051865416

ABSTRACT:
A non-contact infrared temperature sensing system for determining temperature values for a series of targets all having a similar emissivity value, which calculates an emissivity value for the targets based on the sensed total heat radiated from one target, an inputted temperature value for that target, and a temperature value for extraneous radiation from that target. The system then computes, for each subsequent target whose heat radiation is detected, a temperature value for each said target dependent upon the emitted component of radiation, and independent of the extraneous component of radiation from that target.

REFERENCES:
patent: 4558959 (1985-12-01), Thomas et al.
patent: 4765752 (1988-08-01), Beynon et al.
patent: 4881823 (1989-12-01), Tanaka et al.
patent: 4884896 (1989-12-01), Conway
patent: 4919542 (1990-04-01), Nulman et al.
"Determining Emissivity", Burton Benard, Instruments & Control Systems, pp. 87-89, (vol. 37, #5).

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