1.0 MB (117.0 KB compressed)
692 x 519 pixels
5.8 x 4.3 cm ⏐ 2.3 x 1.7 in (300dpi)
T-SERVICE / SCIENCE PHOTO LIBRARY T-SERVICE / SCIENCE PHOTO LIBRARY
Pasteuriser. Thermogram of a pasteuriser in operation. A thermogram shows variation in temperature on the surface of an object, measured by the long-wave infrared radiation it emits. The temperature scale is colour-coded and runs from dark blue (coldest) through green, yellow and red to white (warmest). Pasteurisation destroys viruses and harmful organisms such as bacteria and mould found in milk.
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