{"id":73791,"date":"2025-04-07T14:30:00","date_gmt":"2025-04-07T13:30:00","guid":{"rendered":"https:\/\/geo-zs.si\/infrastructure\/prenosni-spektrofotometer-hach-dr1900-za-terenske-meritve-kemijske-sestave-vode\/"},"modified":"2026-07-24T03:29:38","modified_gmt":"2026-07-24T02:29:38","slug":"prenosni-spektrofotometer-hach-dr1900-za-terenske-meritve-kemijske-sestave-vode","status":"publish","type":"infrastructure","link":"https:\/\/www.geo-zs.si\/en\/infrastructure\/prenosni-spektrofotometer-hach-dr1900-za-terenske-meritve-kemijske-sestave-vode\/","title":{"rendered":"DR1900 Portable Spectrophotometer for field measurements of chemical composition of water"},"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\"><u>Technical data:<\/u><\/span><\/p>\n<ul>\n<li><span lang=\"SL\" dir=\"ltr\">Measured properties: depending on the purchased additional equipment (220 pre-programmed methods) - concentration of each chemical parameter (currently Fe2+ and Mn) in the water<\/span><\/li>\n<li><span lang=\"SL\" dir=\"ltr\">Operating conditions: 10-40 \u00b0C (50-104 \u00b0F); up to 80-% relative humidity (non-condensing); relative humidity: max. 80-% relative humidity, non-condensing; temperature: 10-40 \u00b0C (50-40 \u00b0F).<\/span><\/li>\n<li><span lang=\"SL\" dir=\"ltr\">Detector: silicon photodiode<\/span><\/li>\n<li><span lang=\"SL\" dir=\"ltr\">Photometric linearity: &lt; 0,5 % (0,5 - 2,0 Abs)<\/span><\/li>\n<li><span lang=\"SL\" dir=\"ltr\">Photometric accuracy: \u00b1 0,003 Abs at 0,0 to 0,5 Abs<\/span><\/li>\n<li><span lang=\"SL\" dir=\"ltr\">Wavelength selection: automatic<\/span><\/li>\n<li><span lang=\"SL\" dir=\"ltr\">Measurement range of the photometer: 0 - 3 Abs (wavelength 340-800 nm)<\/span><\/li>\n<li><span lang=\"SL\" dir=\"ltr\">Mode of action: transmittance (%), absorbance and concentration<\/span><\/li>\n<li><span lang=\"SL\" dir=\"ltr\">Wavelength accuracy: \u00b1 2 nm (340 - 800 nm range)<\/span><\/li>\n<li><span lang=\"SL\" dir=\"ltr\">Wavelength range: 340 - 800 nm<\/span><\/li>\n<li><span lang=\"SL\" dir=\"ltr\">Pre-programmed methods: 220 (Note: Measurement with LCK cuvette tests is possible, but without the 2D barcode reading function and 10-fold evaluation.)<\/span><\/li>\n<li><span lang=\"SL\" dir=\"ltr\">Diffuse light: &lt; 0,5 %T at 340 nm with NaNO<sub>2<\/sub><\/span><\/li>\n<li><span lang=\"SL\" dir=\"ltr\">Temperature range: 0 - 50 \u00b0C (32 - 122 \u00b0F)<\/span><\/li>\n<li><span lang=\"SL\" dir=\"ltr\">Wavelength calibration: automatic<\/span><\/li>\n<li><span lang=\"SL\" dir=\"ltr\">Data record: 500 measured values (result, date, time, sample ID, resistor ID. for good lab practice)<\/span><\/li>\n<li><span lang=\"SL\" dir=\"ltr\">Display: LCD (backlight): 240 or 160 pixel graphic display (LCD, B&amp;W, backlit)<\/span><\/li>\n<li><span lang=\"SL\" dir=\"ltr\">Compatibility of cuvettes: 10 mm square\/1 inch square and 13 mm\/1 inch round; 13 mm and 1 inch round 10 or 10 mm 1 inch square; - Adapter for round vials and 10 x 10 mm<\/span><\/li>\n<li><span lang=\"SL\" dir=\"ltr\">Battery life: 15 days (normal) at 5 measurements per day, 5 days per week without display illumination<\/span><\/li>\n<li><span lang=\"SL\" dir=\"ltr\">Optional purchase of additional equipment (powder pillow, LCK cuvette tests, Liquid Reagent test or Accuvacs<\/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 device is used to make measurements on water samples in the laboratory or in the field. The device is currently used for Fe2+ and manganese measurements (field measurements) in water.<\/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\">Measurements are also carried out for external clients on samples in the GeoZS laboratory or in the field.<\/span><\/p>","protected":false},"featured_media":939983,"template":"","class_list":["post-73791","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 spektrofotometer Hach DR1900 za terenske meritve kemijske sestave vode - GeoZS<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" 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