Infrared line cameras based on linear arrays for industrial temperature measurement

Peter Drogmoeller; Guenter Hofmann; Helmut Budzier; Thomas Reichardt; Manfred Zimmerhackl

doi:10.1117/12.459557

15 March 2002 Infrared line cameras based on linear arrays for industrial temperature measurement

Peter Drogmoeller, Guenter Hofmann, Helmut Budzier, Thomas Reichardt, Manfred Zimmerhackl

Proceedings Volume 4710, Thermosense XXIV; (2002) https://doi.org/10.1117/12.459557
Event: AeroSense 2002, 2002, Orlando, FL, United States

Abstract

The PYROLINE/ MikroLine cameras provide continuous, non-contact measurement of linear temperature distributions. Operation in conjunction with the IR_LINE software provides data recording, real-time graphical analysis, process integration and camera-control capabilities. One system is based on pyroelectric line sensors with either 128 or 256 elements, operating at frame rates of 128 and 544 Hz respectively. Temperatures between 0 and 1300DGRC are measurable in four distinct spectral ranges; 8-14micrometers for low temperatures, 3-5micrometers for medium temperatures, 4.8-5.2micrometers for glass-temperature applications and 1.4-1.8micrometers for high temperatures. A newly developed IR-line camera (HRP 250) based upon a thermoelectrically cooled, 160-element, PbSe detector array operating in the 3 - 5 micrometers spectral range permits the thermal gradients of fast moving targets to be measured in the range 50 - 180 degree(s)C at a maximum frequency of 18kHz. This special system was used to measure temperature distributions on rotating tires at velocities of more than 300 km/h (190 mph). A modified version of this device was used for real-time measurement of disk-brake rotors under load. Another line camera consisting a 256 element InGaAs array was developed for the spectral range of 1.4 - 1.8 micrometers to detect impurities of polypropylene and polyethylene in raw cotton at frequencies of 2.5 - 5 kHz.

Citation Download Citation

Peter Drogmoeller, Guenter Hofmann, Helmut Budzier, Thomas Reichardt, and Manfred Zimmerhackl "Infrared line cameras based on linear arrays for industrial temperature measurement", Proc. SPIE 4710, Thermosense XXIV, (15 March 2002); https://doi.org/10.1117/12.459557

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