{"id":73798,"date":"2025-04-07T14:30:01","date_gmt":"2025-04-07T13:30:01","guid":{"rendered":"https:\/\/geo-zs.si\/infrastructure\/prenosni-laserski-merilnik-in-vzorcevalnik-trdnih-delcev-v-zraku-grimm-11-d-z-ohisjem-in-vremensko-postajo-lufft-ws500-umb\/"},"modified":"2026-07-24T06:32:27","modified_gmt":"2026-07-24T05:32:27","slug":"prenosni-laserski-merilnik-in-vzorcevalnik-trdnih-delcev-v-zraku-grimm-11-d-z-ohisjem-in-vremensko-postajo-lufft-ws500-umb","status":"publish","type":"infrastructure","link":"https:\/\/www.geo-zs.si\/en\/infrastructure\/prenosni-laserski-merilnik-in-vzorcevalnik-trdnih-delcev-v-zraku-grimm-11-d-z-ohisjem-in-vremensko-postajo-lufft-ws500-umb\/","title":{"rendered":"Portable laser aerosol spectrometer GRIMM 11-D with housing and weather station Lufft WS500-UMB"},"content":{"rendered":"<p style=\"margin-left:0cm\"><span lang=\"SL\" dir=\"ltr\"><strong>Description of equipment<\/strong><\/span><\/p>\n<p style=\"margin-left:0cm\"><span lang=\"SL\" dir=\"ltr\">The complete system consists of a laser particle counter (GRIMM 11-D), a weatherproof enclosure and a weather station (Lufft WS500-UMB). The system provides on-line measurements of particle concentrations, mass concentrations (PM10, PM2.5, PM1) and total mass of particles in indoor and outdoor air, inhalable, respirable and alveolar fractions, as well as temperature, relative humidity, pressure, wind direction and wind speed.<\/span><\/p>\n<p style=\"margin-left:0cm\"><span lang=\"SL\" dir=\"ltr\"><u>Technical data:<\/u><\/span><\/p>\n<ul>\n<li><span lang=\"SL\" dir=\"ltr\">Air flow: 1,2 l\/min<\/span><\/li>\n<li><span lang=\"SL\" dir=\"ltr\">Particle size range: 0.25 - 32 \u00b5m (31 channels)<\/span><\/li>\n<li><span lang=\"SL\" dir=\"ltr\">max. particle concentration: 2,000,000 particles\/l (100 mg\/m3)<\/span><\/li>\n<li><span lang=\"SL\" dir=\"ltr\">Measurement repeatability: \u00b1 3%<\/span><\/li>\n<li><span lang=\"SL\" dir=\"ltr\">data storage interval: 1 s - 60 s<\/span><\/li>\n<li><span lang=\"SL\" dir=\"ltr\">Particle sampling: 47 mm PTFE filter with 1.2 \u00b5m pores<\/span><\/li>\n<\/ul>\n<p style=\"margin-left:0cm\"><span lang=\"SL\" dir=\"ltr\"><strong>Access to equipment of equipment<\/strong><\/span><\/p>\n<p style=\"margin-left:0cm\"><span lang=\"SL\" dir=\"ltr\">The instrument is used to measure and sample airborne particulate matter during desert dust episodes to determine the origin of the dust, to measure particulate matter concentrations in public transport buses, and to measure and sample particulate matter in tourist caves.<\/span><\/p>\n<p style=\"margin-left:0cm\"><span lang=\"SL\" dir=\"ltr\"><strong>Equipment rental<\/strong><\/span><\/p>\n<p><span lang=\"SL\" dir=\"ltr\">We also carry out measurements for external customers. The price depends on the complexity of the survey and the field conditions.<\/span><\/p>","protected":false},"featured_media":939987,"template":"","class_list":["post-73798","infrastructure","type-infrastructure","status-publish","has-post-thumbnail","hentry"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.0 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Prenosni laserski merilnik in vzor\u010devalnik trdnih delcev v zraku GRIMM 11-D z ohi\u0161jem in vremensko postajo Lufft WS500-UMB - GeoZS<\/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.geo-zs.si\/en\/infrastructure\/prenosni-laserski-merilnik-in-vzorcevalnik-trdnih-delcev-v-zraku-grimm-11-d-z-ohisjem-in-vremensko-postajo-lufft-ws500-umb\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Prenosni laserski merilnik in vzor\u010devalnik trdnih delcev v zraku GRIMM 11-D z ohi\u0161jem in vremensko postajo Lufft WS500-UMB - GeoZS\" \/>\n<meta property=\"og:description\" content=\"Opis opreme Celoten sistem je sestavljen iz laserskega merilca delcev (GRIMM 11-D), za\u0161\u010ditnega ohi\u0161ja za varovanje pred razli\u010dnimi vremenskimi razmerami ter vremensko postajo (Lufft WS500-UMB). 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