{"id":6235,"date":"2024-11-28T12:05:08","date_gmt":"2024-11-28T11:05:08","guid":{"rendered":"https:\/\/bieler-lang.de\/stickstoffdioxid_no2\/"},"modified":"2026-04-27T18:43:53","modified_gmt":"2026-04-27T16:43:53","slug":"nitrogen-dioxide_no2","status":"publish","type":"page","link":"https:\/\/bieler-lang.de\/en\/gases\/toxic-gases\/nitrogen-dioxide_no2\/","title":{"rendered":"Nitrogen dioxide (NO\u2082)"},"content":{"rendered":"\n<div class=\"wp-block-cover is-light is-style-abgeschnitten\" style=\"min-height:360px;aspect-ratio:unset;\"><img loading=\"lazy\" decoding=\"async\" width=\"1920\" height=\"800\" class=\"wp-block-cover__image-background wp-image-9423 size-full\" alt=\"Bieler+Lang Toxische Gase\" src=\"https:\/\/bieler-lang.de\/blcontent\/uploads\/2025\/08\/Bieler-Lang_Gas__4_1920_.jpg\" style=\"object-position:50% 70%\" data-object-fit=\"cover\" data-object-position=\"50% 70%\" srcset=\"https:\/\/bieler-lang.de\/blcontent\/uploads\/2025\/08\/Bieler-Lang_Gas__4_1920_.jpg 1920w, https:\/\/bieler-lang.de\/blcontent\/uploads\/2025\/08\/Bieler-Lang_Gas__4_1920_-300x125.jpg 300w, https:\/\/bieler-lang.de\/blcontent\/uploads\/2025\/08\/Bieler-Lang_Gas__4_1920_-1024x427.jpg 1024w, https:\/\/bieler-lang.de\/blcontent\/uploads\/2025\/08\/Bieler-Lang_Gas__4_1920_-768x320.jpg 768w, https:\/\/bieler-lang.de\/blcontent\/uploads\/2025\/08\/Bieler-Lang_Gas__4_1920_-1536x640.jpg 1536w, https:\/\/bieler-lang.de\/blcontent\/uploads\/2025\/08\/Bieler-Lang_Gas__4_1920_-24x10.jpg 24w, https:\/\/bieler-lang.de\/blcontent\/uploads\/2025\/08\/Bieler-Lang_Gas__4_1920_-36x15.jpg 36w, https:\/\/bieler-lang.de\/blcontent\/uploads\/2025\/08\/Bieler-Lang_Gas__4_1920_-48x20.jpg 48w, https:\/\/bieler-lang.de\/blcontent\/uploads\/2025\/08\/Bieler-Lang_Gas__4_1920_-600x250.jpg 600w\" sizes=\"auto, (max-width: 1920px) 100vw, 1920px\" \/><span aria-hidden=\"true\" class=\"wp-block-cover__background has-background-dim-0 has-background-dim\" style=\"background-color:#a5bbc7\"><\/span><div class=\"wp-block-cover__inner-container is-layout-constrained wp-block-cover-is-layout-constrained\">\n<p class=\"has-text-align-center has-large-font-size\"><\/p>\n<\/div><\/div>\n\n\n\n<div class=\"wp-block-bl-block-spacer\"><div class=\"is-style-small\"><\/div><\/div>\n\n\n\n<h1 class=\"wp-block-heading\" id=\"h-nitrogen-dioxide-no\u2082-safety-precautions\">Nitrogen Dioxide (NO\u2082) Safety Precautions<\/h1>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-safe-detection-with-gas-detectors\"><strong>Safe detection with gas detectors<\/strong><\/h2>\n\n\n\n<div class=\"wp-block-bl-block-spacer\"><div class=\"is-style-medium\"><\/div><\/div>\n\n\n\n<p><strong>Nitrogen dioxide (NO\u2082)<\/strong> is a toxic, reddish-brown irritant gas with a pungent odor that occurs particularly in industry, traffic and urban areas &#8211; wherever fossil fuels are burned. Whether in engine exhaust fumes, combustion processes, power plants or chemical production facilities &#8211; <strong>NO\u2082 is one of the most dangerous air pollutants<\/strong> and poses a significant health risk. <\/p>\n\n\n\n<div class=\"wp-block-bl-block-spacer\"><div class=\"is-style-small\"><\/div><\/div>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-why-is-nitrogen-dioxide-so-dangerous\">Why is nitrogen dioxide so dangerous?<\/h3>\n\n\n\n<div class=\"wp-block-bl-block-spacer\"><div class=\"is-style-small\"><\/div><\/div>\n\n\n\n<p>Even in low concentrations, NO\u2082 has a toxic effect. It irritates the respiratory tract, promotes inflammation in the lungs and can lead to severe lung damage with long-term exposure &#8211; <strong>often without immediately noticeable symptoms<\/strong>. NO\u2082 is particularly critical in closed or poorly ventilated areas.  <\/p>\n\n\n\n<p><strong>Toxicological limit values (Germany):<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>OEL (occupational exposure limit value):<\/strong> 0.5 ppm (0.96 mg\/m\u00b3)<\/li>\n\n\n\n<li><strong>Odor threshold:<\/strong> 0.1-0.2 ppm (usually unreliably detectable)<\/li>\n\n\n\n<li><strong>&gt;1 ppm:<\/strong> Irritation of eyes, nose, throat<\/li>\n\n\n\n<li><strong>&gt;5 ppm:<\/strong> acute respiratory distress<\/li>\n\n\n\n<li><strong>&gt;10 ppm:<\/strong> Danger of severe lung damage<\/li>\n\n\n\n<li><strong>&gt;20 ppm:<\/strong> potentially life-threatening<\/li>\n<\/ul>\n\n\n\n<div class=\"wp-block-bl-block-spacer\"><div class=\"is-style-small\"><\/div><\/div>\n\n\n\n<p> <strong>Typical risk areas:<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Tunnels, underground garages, loading yards<\/li>\n\n\n\n<li>Vehicle depots, workshops, engine sheds<\/li>\n\n\n\n<li>Exhaust and engine test benches<\/li>\n\n\n\n<li>Fertilizer and explosives storage<\/li>\n\n\n\n<li>Chemical plants and silos<\/li>\n<\/ul>\n\n\n\n<div class=\"wp-block-bl-block-spacer\"><div class=\"is-style-medium\"><\/div><\/div>\n\n\n\n<p>NO\u2082 is not flammable or explosive, but acts as a strong <strong>oxidizing agent<\/strong>. In contact with flammable materials or heat, it can cause dangerous reactions or intensify fires. It is also <strong>corrosive<\/strong>, which can damage systems and materials in the long term.  <\/p>\n\n\n\n<div class=\"wp-block-bl-block-spacer\"><div class=\"is-style-medium\"><\/div><\/div>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-early-warning-systems-for-no\u2082-protection-through-modern-gas-warning-technology\">Early warning systems for NO\u2082 &#8211; protection through modern gas warning technology<\/h3>\n\n\n\n<div class=\"wp-block-bl-block-spacer\"><div class=\"is-style-small\"><\/div><\/div>\n\n\n\n<p>As nitrogen dioxide is often not detected by smell, <strong>automated gas detection<\/strong> is essential. Our NO\u2082 gas detectors offer reliable safety in hazardous working environments. <\/p>\n\n\n\n<p><\/p>\n\n\n\n<p><strong>Our solutions for NO\u2082 gas measurement:<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Highly sensitive detection<\/strong> in the lower ppm and ppb range<\/li>\n\n\n\n<li><strong>Continuous 24\/7 monitoring<\/strong> for industry and workspaces<\/li>\n\n\n\n<li><strong>Visual and audible alarms<\/strong> when limit values are exceeded<\/li>\n\n\n\n<li><strong>Automatic control<\/strong> of ventilation systems or emergency shutdown<\/li>\n\n\n\n<li><strong>Stationary gas detection systems<\/strong> for halls, plants and storage rooms<\/li>\n<\/ul>\n\n\n\n<div class=\"wp-block-bl-block-spacer\"><div class=\"is-style-small\"><\/div><\/div>\n\n\n\n<p><strong>Security solution for every industry &#8211; Typical areas of application:<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Exhaust gas test benches and vehicle tests<\/li>\n\n\n\n<li>Tunnels, underground garages, loading zones<\/li>\n\n\n\n<li>Fertilizer and explosives production<\/li>\n\n\n\n<li>Chemical production plants<\/li>\n\n\n\n<li>Workshops, depots, railroad facilities<\/li>\n\n\n\n<li>Biogas plants and silo areas<\/li>\n<\/ul>\n\n\n\n<div class=\"wp-block-bl-block-spacer\"><div class=\"is-style-medium\"><\/div><\/div>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-your-safety-starts-with-reliable-gas-detection\">Your safety starts with reliable gas detection<\/h3>\n\n\n\n<div class=\"wp-block-bl-block-spacer\"><div class=\"is-style-small\"><\/div><\/div>\n\n\n\n<p>Rely on precise, robust and low-maintenance <strong>gas detection systems for nitrogen dioxide<\/strong> to effectively protect your employees, machines and infrastructure. Our NO\u2082 detection solutions are specially developed for industrial use &#8211; safe, efficient and future-proof. <\/p>\n\n\n\n<div class=\"wp-block-bl-block-spacer\"><div class=\"is-style-large\"><\/div><\/div>\n\n\n\n<h5 class=\"wp-block-heading\" id=\"h-the-following-gas-sensors-and-systems-from-bieler-lang-can-detect-nitrogen-dioxide\">The following gas sensors and systems from Bieler+Lang can detect nitrogen dioxide<\/h5>\n\n\n\n<p>We will be happy to advise you on the selection of suitable detectors and the corresponding evaluation devices for your individual application.<\/p>\n\n\n\n<div class=\"wp-block-bl-block-spacer\"><div class=\"is-style-large\"><\/div><\/div>\n\n\n<div data-block-name=\"woocommerce\/product-tag\" data-tags=\"[238]\" class=\"wc-block-grid wp-block-product-tag wp-block-woocommerce-product-tag wc-block-product-tag has-3-columns has-multiple-rows\"><ul class=\"wc-block-grid__products\"><li class=\"wc-block-grid__product\">\n\t\t\t\t<a href=\"https:\/\/bieler-lang.de\/en\/product\/gm-30-2\/\" class=\"wc-block-grid__product-link\">\n\t\t\t\t\t\n\t\t\t\t\t<div class=\"wc-block-grid__product-image\"><img loading=\"lazy\" decoding=\"async\" width=\"300\" height=\"300\" src=\"https:\/\/bieler-lang.de\/blcontent\/uploads\/2025\/07\/BielerLang_GasMonitor-GM-30_perspective_view_innovative_safe_area_gasdetector_varios_sensor_options_020725-1-300x300.jpg\" class=\"attachment-woocommerce_thumbnail size-woocommerce_thumbnail\" alt=\"Bieler+Lang_GasMonitor GM 30_perspective_view_innovative_safe_area_gasdetector_varios_sensor_options\" srcset=\"https:\/\/bieler-lang.de\/blcontent\/uploads\/2025\/07\/BielerLang_GasMonitor-GM-30_perspective_view_innovative_safe_area_gasdetector_varios_sensor_options_020725-1-300x300.jpg 300w, https:\/\/bieler-lang.de\/blcontent\/uploads\/2025\/07\/BielerLang_GasMonitor-GM-30_perspective_view_innovative_safe_area_gasdetector_varios_sensor_options_020725-1-150x150.jpg 150w, https:\/\/bieler-lang.de\/blcontent\/uploads\/2025\/07\/BielerLang_GasMonitor-GM-30_perspective_view_innovative_safe_area_gasdetector_varios_sensor_options_020725-1-256x256.jpg 256w, https:\/\/bieler-lang.de\/blcontent\/uploads\/2025\/07\/BielerLang_GasMonitor-GM-30_perspective_view_innovative_safe_area_gasdetector_varios_sensor_options_020725-1-100x100.jpg 100w, https:\/\/bieler-lang.de\/blcontent\/uploads\/2025\/07\/BielerLang_GasMonitor-GM-30_perspective_view_innovative_safe_area_gasdetector_varios_sensor_options_020725-1-460x460.jpg 460w\" sizes=\"auto, (max-width: 300px) 100vw, 300px\" \/><\/div>\n\t\t\t\t\t<div class=\"wc-block-grid__product-title\">GM 30 -NEW-<\/div>\n\t\t\t\t<\/a>\n\t\t\t\t<div class=\"wc-block-grid__product-price price\"><\/div>\n\t\t\t\t\n\t\t\t\t<div class=\"wp-block-button wc-block-grid__product-add-to-cart\"><a href=\"https:\/\/bieler-lang.de\/en\/product\/gm-30-2\/\" aria-label=\"Read more about &ldquo;GM 30 -NEW-&rdquo;\" data-quantity=\"1\" data-product_id=\"7429\" data-product_sku=\"\" data-price=\"0\" rel=\"nofollow\" class=\"wp-block-button__link  add_to_cart_button\">Learn more<\/a><\/div>\n\t\t\t<\/li><li class=\"wc-block-grid__product\">\n\t\t\t\t<a href=\"https:\/\/bieler-lang.de\/en\/product\/gasmonitor\/\" class=\"wc-block-grid__product-link\">\n\t\t\t\t\t\n\t\t\t\t\t<div class=\"wc-block-grid__product-image\"><img loading=\"lazy\" decoding=\"async\" width=\"300\" height=\"300\" src=\"https:\/\/bieler-lang.de\/blcontent\/uploads\/2020\/09\/BL_Gasmonitor-O2_02-300x300.jpg\" class=\"attachment-woocommerce_thumbnail size-woocommerce_thumbnail\" alt=\"Bieler+Lang_GasMonitor_Gasmessf\u00fchler_mit elektrochemischen Sensoren_f\u00fcr toxische Gase_und_Sauerstoff\" srcset=\"https:\/\/bieler-lang.de\/blcontent\/uploads\/2020\/09\/BL_Gasmonitor-O2_02-300x300.jpg 300w, https:\/\/bieler-lang.de\/blcontent\/uploads\/2020\/09\/BL_Gasmonitor-O2_02-100x100.jpg 100w, https:\/\/bieler-lang.de\/blcontent\/uploads\/2020\/09\/BL_Gasmonitor-O2_02-150x150.jpg 150w\" sizes=\"auto, (max-width: 300px) 100vw, 300px\" \/><\/div>\n\t\t\t\t\t<div class=\"wc-block-grid__product-title\">GasMonitor<\/div>\n\t\t\t\t<\/a>\n\t\t\t\t<div class=\"wc-block-grid__product-price price\"><\/div>\n\t\t\t\t\n\t\t\t\t<div class=\"wp-block-button wc-block-grid__product-add-to-cart\"><a href=\"https:\/\/bieler-lang.de\/en\/product\/gasmonitor\/\" aria-label=\"Read more about &ldquo;GasMonitor&rdquo;\" data-quantity=\"1\" data-product_id=\"6994\" data-product_sku=\"\" data-price=\"0\" rel=\"nofollow\" class=\"wp-block-button__link  add_to_cart_button\">Learn more<\/a><\/div>\n\t\t\t<\/li><li class=\"wc-block-grid__product\">\n\t\t\t\t<a href=\"https:\/\/bieler-lang.de\/en\/product\/exmonitor\/\" class=\"wc-block-grid__product-link\">\n\t\t\t\t\t\n\t\t\t\t\t<div class=\"wc-block-grid__product-image\"><img loading=\"lazy\" decoding=\"async\" width=\"300\" height=\"300\" src=\"https:\/\/bieler-lang.de\/blcontent\/uploads\/2020\/09\/BL_Exmonitor_SO2_01ex-300x300.jpg\" class=\"attachment-woocommerce_thumbnail size-woocommerce_thumbnail\" alt=\"Bieler+Lang_ExMonitor_Gasmessf\u00fchler_ATEX_ExZone1_ExZone2_topxische_Gase\" srcset=\"https:\/\/bieler-lang.de\/blcontent\/uploads\/2020\/09\/BL_Exmonitor_SO2_01ex-300x300.jpg 300w, https:\/\/bieler-lang.de\/blcontent\/uploads\/2020\/09\/BL_Exmonitor_SO2_01ex-100x100.jpg 100w, https:\/\/bieler-lang.de\/blcontent\/uploads\/2020\/09\/BL_Exmonitor_SO2_01ex-150x150.jpg 150w\" sizes=\"auto, (max-width: 300px) 100vw, 300px\" \/><\/div>\n\t\t\t\t\t<div class=\"wc-block-grid__product-title\">ExMonitor<\/div>\n\t\t\t\t<\/a>\n\t\t\t\t<div class=\"wc-block-grid__product-price price\"><\/div>\n\t\t\t\t\n\t\t\t\t<div class=\"wp-block-button wc-block-grid__product-add-to-cart\"><a href=\"https:\/\/bieler-lang.de\/en\/product\/exmonitor\/\" aria-label=\"Read more about &ldquo;ExMonitor&rdquo;\" data-quantity=\"1\" data-product_id=\"7851\" data-product_sku=\"\" data-price=\"0\" rel=\"nofollow\" class=\"wp-block-button__link  add_to_cart_button\">Learn more<\/a><\/div>\n\t\t\t<\/li><li class=\"wc-block-grid__product\">\n\t\t\t\t<a href=\"https:\/\/bieler-lang.de\/en\/product\/exdetector-x5\/\" class=\"wc-block-grid__product-link\">\n\t\t\t\t\t\n\t\t\t\t\t<div class=\"wc-block-grid__product-image\"><img loading=\"lazy\" decoding=\"async\" width=\"300\" height=\"300\" src=\"https:\/\/bieler-lang.de\/blcontent\/uploads\/2024\/10\/BielerLang_ExDetector-X5_Ex_Zone_1_digital_gas_detector_transmitter_X5_one_sensor_head_ATEX_cable_plan_view_170225-300x300.jpg\" class=\"attachment-woocommerce_thumbnail size-woocommerce_thumbnail\" alt=\"planview of Bieler+Lang_ExDetectorX5_digital_variable_ATEX_Gas_Detector_Tranmitter\" srcset=\"https:\/\/bieler-lang.de\/blcontent\/uploads\/2024\/10\/BielerLang_ExDetector-X5_Ex_Zone_1_digital_gas_detector_transmitter_X5_one_sensor_head_ATEX_cable_plan_view_170225-300x300.jpg 300w, https:\/\/bieler-lang.de\/blcontent\/uploads\/2024\/10\/BielerLang_ExDetector-X5_Ex_Zone_1_digital_gas_detector_transmitter_X5_one_sensor_head_ATEX_cable_plan_view_170225-150x150.jpg 150w, https:\/\/bieler-lang.de\/blcontent\/uploads\/2024\/10\/BielerLang_ExDetector-X5_Ex_Zone_1_digital_gas_detector_transmitter_X5_one_sensor_head_ATEX_cable_plan_view_170225-256x256.jpg 256w, https:\/\/bieler-lang.de\/blcontent\/uploads\/2024\/10\/BielerLang_ExDetector-X5_Ex_Zone_1_digital_gas_detector_transmitter_X5_one_sensor_head_ATEX_cable_plan_view_170225-100x100.jpg 100w, https:\/\/bieler-lang.de\/blcontent\/uploads\/2024\/10\/BielerLang_ExDetector-X5_Ex_Zone_1_digital_gas_detector_transmitter_X5_one_sensor_head_ATEX_cable_plan_view_170225-460x460.jpg 460w\" sizes=\"auto, (max-width: 300px) 100vw, 300px\" \/><\/div>\n\t\t\t\t\t<div class=\"wc-block-grid__product-title\">ExDetector X5<\/div>\n\t\t\t\t<\/a>\n\t\t\t\t<div class=\"wc-block-grid__product-price price\"><\/div>\n\t\t\t\t\n\t\t\t\t<div class=\"wp-block-button wc-block-grid__product-add-to-cart\"><a href=\"https:\/\/bieler-lang.de\/en\/product\/exdetector-x5\/\" aria-label=\"Read more about &ldquo;ExDetector X5&rdquo;\" data-quantity=\"1\" data-product_id=\"5844\" data-product_sku=\"\" data-price=\"0\" rel=\"nofollow\" class=\"wp-block-button__link  add_to_cart_button\">Learn more<\/a><\/div>\n\t\t\t<\/li><\/ul><\/div>\n\n\n<p><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Nitrogen Dioxide (NO\u2082) Safety Precautions Safe detection with gas detectors Nitrogen dioxide (NO\u2082) is a toxic, reddish-brown irritant gas with a pungent odor that occurs particularly in industry, traffic and urban areas &#8211; wherever fossil fuels are burned. Whether in engine exhaust fumes, combustion processes, power plants or chemical production facilities &#8211; NO\u2082 is one [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"parent":6250,"menu_order":245,"comment_status":"closed","ping_status":"closed","template":"","meta":{"inline_featured_image":false,"footnotes":""},"class_list":["post-6235","page","type-page","status-publish","hentry"],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v27.4 (Yoast SEO v27.4) - https:\/\/yoast.com\/product\/yoast-seo-premium-wordpress\/ -->\n<title>Nitrogen Dioxide Safety Precautions | NO2<\/title>\n<meta name=\"description\" content=\"Nitrogen dioxide safety precautions with NO2 detection. Learn about respiratory hazards and workplace monitoring systems. 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