{"id":51471,"date":"2023-11-02T08:00:43","date_gmt":"2023-11-02T07:00:43","guid":{"rendered":"https:\/\/www.expo21xx.com\/news\/?p=51471"},"modified":"2023-10-23T13:51:43","modified_gmt":"2023-10-23T11:51:43","slug":"dias-infrared-ratio-pyrometers","status":"publish","type":"post","link":"https:\/\/www.expo21xx.com\/news\/dias-infrared-ratio-pyrometers\/","title":{"rendered":"DIAS Infrared releases new robust ratio pyrometers for industrial applications"},"content":{"rendered":"\n
\"\"
Photo by DIAS Infrared GmbH<\/i><\/figcaption><\/figure><\/div>\n\n\n\n

DIAS Infrared is expanding its range of ratio pyrometers. Based on Planck\u2019s radiation law temperatures can be measured contactless using pyrometers. In the industrial environment in particular, there are applications where the emissivity of the measurement object is unknown or changes over time. Dust, absorbing gases or windows also lead to transmission losses between the measurement object and the pyrometer and are therefore sometimes critical.<\/p>\n\n\n\n

Compared to the often used single-channel pyrometers, which work in a single wavelength range, so-called ratio pyrometers can help with these problems. They measure the infrared radiation emitted by the measurement object in two adjacent wavelength ranges. If the emissivities in both wavelength ranges are unknown or variable but identical (or almost identical), a temperature measurement that is almost independent of the emissivity is possible. The transmission losses mentioned are also irrelevant if they are the same in both wavelength ranges.<\/p>\n\n\n\n

Ratio pyrometers are part of the PYROSPOT pyrometers from DIAS Infrared, which have proven themselves worldwide for many years. They are currently available in the stationary PYROSPOT series 10, 11, 44, 54, 55 and 56, some with fibre optics cable and optical head.<\/p>\n\n\n\n

The types \u201cDSx\u201d measure in two adjacent wavelength ranges in the spectral range between 0.7 \u00b5m and 1.1 \u00b5m and are suitable for high-temperature measurements at 500 \u00b0C to 3000 \u00b0C. The models \u201cDGx\u201d work in two wavelength ranges from 1.5 \u00b5m to 1.9 \u00b5m and can be used for lower temperatures (from 300 \u00b0C). The DGR 55N type, which is particularly robust for industrial applications, has now been newly introduced. These ratio pyrometers are, for example, well suited for temperature measurements on metallic surfaces.<\/p>\n\n\n\n

In contrast to single-channel pyrometers, ratio pyrometers can also display the correct temperature when measuring objects with high temperatures compared to the environment are smaller than the measuring field. However, this requires optimized optical conditions in the ratio pyrometer. One example is the fibre optics device DSRF 44N, which enables temperature measurement even if the measuring field is only slightly filled (up to 10%).<\/p>\n\n\n\n

The ratio pyrometers were presented together with other PYROSPOT devices as well as PYROVIEW\/PYROLINE thermal imaging cameras and PYROSENS infrared sensors at the Sensor+Test.<\/p>\n\n\n\n

For more information, please visit https:\/\/www.dias-infrared.com<\/a>.<\/p>\n","protected":false},"excerpt":{"rendered":"

DIAS Infrared is expanding its range of ratio pyrometers. Based on Planck\u2019s radiation law temperatures can be measured contactless using pyrometers. In the industrial environment in particular, there are applications where the […]<\/p>\n","protected":false},"author":9,"featured_media":51472,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[6],"tags":[1367,154,844,53],"class_list":["post-51471","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-sensor-camera","tag-contactless","tag-infrared","tag-pyrometer","tag-temperature-sensor"],"yoast_head":"\nDIAS Infrared releases new robust ratio pyrometers for industrial applications - EXPO21XX.com NEWS<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.expo21xx.com\/news\/dias-infrared-ratio-pyrometers\/\" \/>\n<meta name=\"twitter:label1\" content=\"Written by\" \/>\n\t<meta name=\"twitter:data1\" content=\"Kamil\" \/>\n\t<meta name=\"twitter:label2\" content=\"Est. reading time\" \/>\n\t<meta name=\"twitter:data2\" content=\"2 minutes\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"WebPage\",\"@id\":\"https:\/\/www.expo21xx.com\/news\/dias-infrared-ratio-pyrometers\/\",\"url\":\"https:\/\/www.expo21xx.com\/news\/dias-infrared-ratio-pyrometers\/\",\"name\":\"DIAS Infrared releases new robust ratio pyrometers for industrial applications - 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