{"id":1795,"date":"2017-09-07T15:56:30","date_gmt":"2017-09-07T13:56:30","guid":{"rendered":"http:\/\/www.tunnelsicherheit.at\/en\/?post_type=portfolio&#038;p=1795"},"modified":"2017-09-11T13:18:33","modified_gmt":"2017-09-11T11:18:33","slug":"wpwd-visibility-and-present-weather-sensor","status":"publish","type":"portfolio","link":"https:\/\/www.tunnelsicherheit.at\/en\/product\/wpwd-visibility-and-present-weather-sensor\/","title":{"rendered":"w\/PWD Visibility and present weather sensor"},"content":{"rendered":"<div  class='flex_column av-av_one_full-2a9015ff38129c418a3f2eafba3e9512 av_one_full  avia-builder-el-0  el_before_av_three_fourth  avia-builder-el-first  first flex_column_div  '     ><style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-av_image-74c1a8948f0243c8389cea12ff97eb00\">\n.avia-image-container.av-av_image-74c1a8948f0243c8389cea12ff97eb00 img.avia_image{\nbox-shadow:none;\n}\n.avia-image-container.av-av_image-74c1a8948f0243c8389cea12ff97eb00 .av-image-caption-overlay-center{\ncolor:#ffffff;\nfont-size:30px;\n}\n<\/style>\n<div  class='avia-image-container av-av_image-74c1a8948f0243c8389cea12ff97eb00 av-styling- avia-align-center  avia-builder-el-1  avia-builder-el-no-sibling '   itemprop=\"image\" itemscope=\"itemscope\" itemtype=\"https:\/\/schema.org\/ImageObject\" ><div class=\"avia-image-container-inner\"><div class=\"avia-image-overlay-wrap\"><img decoding=\"async\" fetchpriority=\"high\" class='wp-image-1809 avia-img-lazy-loading-not-1809 avia_image ' src=\"https:\/\/i0.wp.com\/www.tunnelsicherheit.at\/wp-content\/uploads\/2017\/09\/wPWD_Slider.jpg?fit=1210%2C564&ssl=1\" alt='' title='wPWD_Slider'  height=\"564\" width=\"1210\"  itemprop=\"thumbnailUrl\" srcset=\"https:\/\/i0.wp.com\/www.tunnelsicherheit.at\/wp-content\/uploads\/2017\/09\/wPWD_Slider.jpg?w=1210&amp;ssl=1 1210w, https:\/\/i0.wp.com\/www.tunnelsicherheit.at\/wp-content\/uploads\/2017\/09\/wPWD_Slider.jpg?resize=300%2C140&amp;ssl=1 300w, https:\/\/i0.wp.com\/www.tunnelsicherheit.at\/wp-content\/uploads\/2017\/09\/wPWD_Slider.jpg?resize=768%2C358&amp;ssl=1 768w, https:\/\/i0.wp.com\/www.tunnelsicherheit.at\/wp-content\/uploads\/2017\/09\/wPWD_Slider.jpg?resize=1030%2C480&amp;ssl=1 1030w, https:\/\/i0.wp.com\/www.tunnelsicherheit.at\/wp-content\/uploads\/2017\/09\/wPWD_Slider.jpg?resize=705%2C329&amp;ssl=1 705w, https:\/\/i0.wp.com\/www.tunnelsicherheit.at\/wp-content\/uploads\/2017\/09\/wPWD_Slider.jpg?resize=450%2C210&amp;ssl=1 450w, https:\/\/i0.wp.com\/www.tunnelsicherheit.at\/wp-content\/uploads\/2017\/09\/wPWD_Slider.jpg?resize=800%2C373&amp;ssl=1 800w\" sizes=\"(max-width: 1210px) 100vw, 1210px\" \/><\/div><\/div><\/div><\/div><div  class='flex_column av-av_three_fourth-2a9015ff38129c418a3f2eafba3e9512 av_three_fourth  avia-builder-el-2  el_after_av_one_full  el_before_av_one_fourth  first flex_column_div  column-top-margin'     ><p>\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-av_heading-fef5e186d117e68f160550a340aefaa4\">\n#top .av-special-heading.av-av_heading-fef5e186d117e68f160550a340aefaa4{\npadding-bottom:10px;\n}\nbody .av-special-heading.av-av_heading-fef5e186d117e68f160550a340aefaa4 .av-special-heading-tag .heading-char{\nfont-size:25px;\n}\n.av-special-heading.av-av_heading-fef5e186d117e68f160550a340aefaa4 .av-subheading{\nfont-size:15px;\n}\n<\/style>\n<div  class='av-special-heading av-av_heading-fef5e186d117e68f160550a340aefaa4 av-special-heading-h3  avia-builder-el-3  el_before_av_textblock  avia-builder-el-first '><h3 class='av-special-heading-tag '  itemprop=\"headline\"  >Visibility and present weather detection<\/h3><div class=\"special-heading-border\"><div class=\"special-heading-inner-border\"><\/div><\/div><\/div><br \/>\n<section  class='av_textblock_section av-av_textblock-396ddf1f42196ca838231e61a4602801 '   itemscope=\"itemscope\" itemtype=\"https:\/\/schema.org\/CreativeWork\" ><div class='avia_textblock'  itemprop=\"text\" ><p>The sensor is optimised for use in aviation applications where both visibility and extended present and past weather information is required. It measures measures visibility, fog, haze, drizzle, snow, hail and other non-frozen precipitation according to WMO table 4680. METAR coded outputs are also provided.<\/p>\n<p>For ultimate visibility performance the visual range extends to 75km allowing use in meteorological observation networks and research applications.<\/p>\n<p>The enhanced present weather information is due to the backscatter receiver which allows detailed precipitation analysis.<\/p>\n<p>Heating of the optical windows and sensor hoods is provided as standard allowing use in the harshest of conditions. All optical windows are monitored for contamination and the visibility output is automatically compensated to reduce maintenance requirements.<\/p>\n<p>The unique design ensures that the output is both accurate and reliable in all weather conditions and will not be influenced by local lights sources, even those that flash.<\/p>\n<\/div><\/section><\/p><\/div><\/p>\n\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-av_one_fourth-0aa7055fe62c3622faec82866afbaeb2\">\n.flex_column.av-av_one_fourth-0aa7055fe62c3622faec82866afbaeb2{\nborder-radius:0px 0px 0px 0px;\npadding:0px 0px 0px 0px;\n}\n<\/style>\n<div  class='flex_column av-av_one_fourth-0aa7055fe62c3622faec82866afbaeb2 av_one_fourth  avia-builder-el-5  el_after_av_three_fourth  el_before_av_three_fourth  flex_column_div av-zero-column-padding  column-top-margin'     ><p>\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-av_heading-18a1618f6d4e866e04655793ce7b359b\">\n#top .av-special-heading.av-av_heading-18a1618f6d4e866e04655793ce7b359b{\npadding-bottom:0;\n}\nbody .av-special-heading.av-av_heading-18a1618f6d4e866e04655793ce7b359b .av-special-heading-tag .heading-char{\nfont-size:25px;\n}\n.av-special-heading.av-av_heading-18a1618f6d4e866e04655793ce7b359b .av-subheading{\nfont-size:15px;\n}\n<\/style>\n<div  class='av-special-heading av-av_heading-18a1618f6d4e866e04655793ce7b359b av-special-heading-h3  avia-builder-el-6  el_before_av_promobox  avia-builder-el-first '><h3 class='av-special-heading-tag '  itemprop=\"headline\"  >Request a quote<\/h3><div class=\"special-heading-border\"><div class=\"special-heading-inner-border\"><\/div><\/div><\/div><br \/>\n<div  class='av_promobox av-av_promobox-3255573327c452d2b6566b62d1e798bc avia-button-no  avia-builder-el-7  el_after_av_heading  el_before_av_button_big  avia-builder-el-last '><div class='avia-promocontent'><p>\nWould you like to request a quote for any of our products or services?<\/p>\n<p>Please click below and leave your details. We will contact you as soon as possible.<\/p>\n<\/div><\/div><br \/>\n<div  class='avia-button-wrap avia-button-center  avia-builder-el-8  el_after_av_promobox  avia-builder-el-last '>\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-av_button_big-eb1a718732c6e69c8a401341bf39519f\">\n#top #wrap_all .avia-button.av-av_button_big-eb1a718732c6e69c8a401341bf39519f:hover{\ncolor:#ffffff;\ntransition:all 0.4s ease-in-out;\n}\n#top #wrap_all .avia-button.av-av_button_big-eb1a718732c6e69c8a401341bf39519f:hover .avia-svg-icon svg:first-child{\nfill:#ffffff;\nstroke:#ffffff;\n}\n<\/style>\n<a href='https:\/\/www.tunnelsicherheit.at\/kontakt\/anfrage\/' class='avia-color-theme-color avia-button avia-button-fullwidth av-av_button_big-eb1a718732c6e69c8a401341bf39519f avia-icon_select-no avia-color-theme-color'   aria-label=\"Request\"><span class='avia_iconbox_title' >Request<\/span><span class='avia_button_background avia-button avia-button-fullwidth avia-color-theme-color'><\/span><\/a><\/div><\/p><\/div>\n<div  class='flex_column av-av_three_fourth-2a9015ff38129c418a3f2eafba3e9512 av_three_fourth  avia-builder-el-9  el_after_av_one_fourth  el_before_av_one_fourth  first flex_column_div  column-top-margin'     ><p>\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-av_heading-b6c9c1ccfb0e4c0d2e3b9bdc13a575e5\">\n#top .av-special-heading.av-av_heading-b6c9c1ccfb0e4c0d2e3b9bdc13a575e5{\npadding-bottom:10px;\n}\nbody .av-special-heading.av-av_heading-b6c9c1ccfb0e4c0d2e3b9bdc13a575e5 .av-special-heading-tag .heading-char{\nfont-size:25px;\n}\n.av-special-heading.av-av_heading-b6c9c1ccfb0e4c0d2e3b9bdc13a575e5 .av-subheading{\nfont-size:15px;\n}\n<\/style>\n<div  class='av-special-heading av-av_heading-b6c9c1ccfb0e4c0d2e3b9bdc13a575e5 av-special-heading-h3  avia-builder-el-10  el_before_av_tab_container  avia-builder-el-first '><h3 class='av-special-heading-tag '  itemprop=\"headline\"  >w\/PWD Present weather detector<\/h3><div class=\"special-heading-border\"><div class=\"special-heading-inner-border\"><\/div><\/div><\/div><br \/>\n<div  class='tabcontainer av-av_tab_container-0bacd910096d11a3cec6dfb538798966 top_tab  avia-builder-el-11  el_after_av_heading  avia-builder-el-last '>\n<section class='av_tab_section av_tab_section av-av_tab-2d9113e038ca38c377bcec728234ad19'  itemscope=\"itemscope\" itemtype=\"https:\/\/schema.org\/CreativeWork\" ><div id='tab-id-1-tab' class='tab active_tab' role='tab' aria-selected=\"true\" tabindex=\"0\" data-fake-id='#tab-id-1' aria-controls='tab-id-1-content'  itemprop=\"headline\" ><span class='tab_icon avia-iconfont avia-font-entypo-fontello' data-av_icon='\ue81e' data-av_iconfont='entypo-fontello' ><\/span>Features<\/div><div id='tab-id-1-content' class='tab_content active_tab_content' role='tabpanel' aria-labelledby='tab-id-1-tab' aria-hidden=\"false\"><div class='tab_inner_content invers-color'  itemprop=\"text\" ><ul>\n<li><strong>Visibility sensor using forward and backward scattering to measure the meteorological optical range and detect the present weather<\/strong><\/li>\n<li>10\u00a0m to 75\u00a0km measuring range<\/li>\n<li>Instantaneous and averaged visibility outputs<\/li>\n<li>Present and past weather by 34 METAR codes<\/li>\n<li><strong>39 WMO 4680 codes<\/strong><\/li>\n<li><strong>Hood and windows heated<\/strong><\/li>\n<li>Comprehensive self-test and maintenance data<\/li>\n<li><strong>Optical windows monitored for contamination<\/strong><\/li>\n<li>Optional ambient light sensor<\/li>\n<li>RS-232, RS-422 and RS-485 interface<\/li>\n<li>Automatic or polled mode<\/li>\n<\/ul>\n<\/div><\/div><\/section>\n<section class='av_tab_section av_tab_section av-av_tab-b91f69621deff9b1c4b071eeed6ee956'  itemscope=\"itemscope\" itemtype=\"https:\/\/schema.org\/CreativeWork\" ><div id='tab-id-2-tab' class='tab' role='tab' aria-selected=\"false\" tabindex=\"0\" data-fake-id='#tab-id-2' aria-controls='tab-id-2-content'  itemprop=\"headline\" ><span class='tab_icon avia-iconfont avia-font-entypo-fontello' data-av_icon='\ue856' data-av_iconfont='entypo-fontello' ><\/span>System<\/div><div id='tab-id-2-content' class='tab_content' role='tabpanel' aria-labelledby='tab-id-2-tab' aria-hidden=\"true\"><div class='tab_inner_content invers-color'  itemprop=\"text\" ><ul>\n<li>Visibility sensor to be mounted on pole or wall<\/li>\n<li>Connection to control system by RS-485, RS-422 or RS-232<\/li>\n<li><strong>openWIS Plugin<\/strong><\/li>\n<\/ul>\n<\/div><\/div><\/section>\n<section class='av_tab_section av_tab_section av-av_tab-de94de6eee19ff640dd296e18d4d84dc'  itemscope=\"itemscope\" itemtype=\"https:\/\/schema.org\/CreativeWork\" ><div id='tab-id-3-tab' class='tab' role='tab' aria-selected=\"false\" tabindex=\"0\" data-fake-id='#tab-id-3' aria-controls='tab-id-3-content'  itemprop=\"headline\" ><span class='tab_icon avia-iconfont avia-font-entypo-fontello' data-av_icon='\ue82b' data-av_iconfont='entypo-fontello' ><\/span>Advantages<\/div><div id='tab-id-3-content' class='tab_content' role='tabpanel' aria-labelledby='tab-id-3-tab' aria-hidden=\"true\"><div class='tab_inner_content invers-color'  itemprop=\"text\" ><ul>\n<li>Compact forward and back scatter design<\/li>\n<li><strong>Detailed classification of precipitation<\/strong><\/li>\n<li>Not affected by local lights<\/li>\n<li>Simple field calibration<\/li>\n<li><strong>Hood heating for use in extreme environments<\/strong><\/li>\n<li>Easily installed by one person<\/li>\n<li>Flexible integration into control system<\/li>\n<li><strong>openWIS compatible<\/strong><\/li>\n<\/ul>\n<\/div><\/div><\/section>\n<section class='av_tab_section av_tab_section av-av_tab-f8ef8fda36c53f4cb942dae7ae9e5b4e'  itemscope=\"itemscope\" itemtype=\"https:\/\/schema.org\/CreativeWork\" ><div id='tab-id-4-tab' class='tab' role='tab' aria-selected=\"false\" tabindex=\"0\" data-fake-id='#tab-id-4' aria-controls='tab-id-4-content'  itemprop=\"headline\" ><span class='tab_icon avia-iconfont avia-font-entypo-fontello' data-av_icon='\ue84b' data-av_iconfont='entypo-fontello' ><\/span>Technical Specifications<\/div><div id='tab-id-4-content' class='tab_content' role='tabpanel' aria-labelledby='tab-id-4-tab' aria-hidden=\"true\"><div class='tab_inner_content invers-color'  itemprop=\"text\" ><table class=\"table_default\" width=\"100%\">\n<tbody>\n<tr>\n<td colspan=\"2\" width=\"432\">Visibility &amp; present weather detection<\/td>\n<\/tr>\n<tr>\n<td width=\"25%\">Measuring method<\/td>\n<td width=\"75%\">Forward light scattering with 39\u00b0 to 51\u00b0angle and backward light scattering<\/td>\n<\/tr>\n<tr>\n<td width=\"25%\">Measured values<\/td>\n<td width=\"75%\">Visibility (MOR)<br \/>\nExtinction coefficient<br \/>\nTransmission equivalent extinction coefficient<br \/>\nPresent weather (WMO 4680, METAR)<br \/>\nPrecipitation intensity<\/td>\n<\/tr>\n<tr>\n<td width=\"25%\">Measuring range<\/td>\n<td width=\"75%\">10 m .. 75 km (MOR)<br \/>\n0 .. 500 mm\/hr (rain intensity)<\/td>\n<\/tr>\n<tr>\n<td width=\"25%\">Accuracy<\/td>\n<td width=\"75%\">\u2264 4.5% at 600m, \u2264 5.0% at 1,500m, \u2264 5.1% at 2km, \u2264 12.5% at 15km, \u2264 20% at 30km (MOR)<br \/>\n\u2264 15 % (rain intensity)<\/td>\n<\/tr>\n<tr>\n<td width=\"25%\">Precipitation detection threshold<\/td>\n<td width=\"75%\">Rain: 0.015 mm\/hr<br \/>\nSnow: 0.0015 mm\/hr<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<table class=\"table_default\" width=\"100%\">\n<tbody>\n<tr>\n<th colspan=\"2\">Sensor<\/th>\n<th><\/th>\n<\/tr>\n<tr>\n<td width=\"25%\">Type<\/td>\n<td width=\"75%\">w\/PWD (BIRAL SWS-250)<\/td>\n<\/tr>\n<tr>\n<td width=\"25%\">Operating voltage<\/td>\n<td width=\"75%\">9 .. 36 VDC<\/td>\n<\/tr>\n<tr>\n<td width=\"25%\">Hood heating<\/td>\n<td width=\"75%\">24 VDC or 24 VAC<\/td>\n<\/tr>\n<tr>\n<td width=\"25%\">Power consumption<\/td>\n<td width=\"75%\">3.5 W (sensor)<br \/>\n2.5 W (window heaters)<br \/>\n36 W (hood heaters)<\/td>\n<\/tr>\n<tr>\n<td width=\"25%\">Housing material<\/td>\n<td width=\"75%\">Powder coated aluminium<\/td>\n<\/tr>\n<tr>\n<td width=\"25%\">Dimensions<\/td>\n<td width=\"75%\">811 x 315 x 329 mm<\/td>\n<\/tr>\n<tr>\n<td width=\"25%\">Weight<\/td>\n<td width=\"75%\">3.5 kg<\/td>\n<\/tr>\n<tr>\n<td width=\"25%\">Protection class<\/td>\n<td width=\"75%\">IP66<\/td>\n<\/tr>\n<tr>\n<td width=\"25%\">Temperature range<\/td>\n<td width=\"75%\">-40 .. 60 \u00b0C<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<table class=\"table_default\" width=\"100%\">\n<tbody>\n<tr>\n<th colspan=\"2\">Outputs<\/th>\n<th><\/th>\n<\/tr>\n<tr>\n<td width=\"25%\">Digital interface<\/td>\n<td width=\"75%\">RS-232, RS-422 or RS-485<\/td>\n<\/tr>\n<tr>\n<td width=\"25%\">Interface modes<\/td>\n<td width=\"75%\">Polled or automatic<\/td>\n<\/tr>\n<tr>\n<td width=\"25%\">Output rate<\/td>\n<td width=\"75%\">10 .. 300 s (automatic mode)<\/td>\n<\/tr>\n<tr>\n<td width=\"25%\">WMO codes<\/td>\n<td width=\"75%\">39 from table 4680<\/td>\n<\/tr>\n<tr>\n<td width=\"25%\">METAR codes<\/td>\n<td width=\"75%\">34 present and past weather<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<table class=\"table_default\" width=\"100%\">\n<tbody>\n<tr>\n<th colspan=\"2\">Conformities<\/th>\n<th><\/th>\n<\/tr>\n<tr>\n<td width=\"25%\">Electrical standards<\/td>\n<td width=\"75%\">2014\/30\/EC EMC directive<br \/>\n2014\/35\/EC Low voltage directive<\/td>\n<\/tr>\n<tr>\n<td width=\"25%\">Road safety<\/td>\n<td width=\"75%\">AT: RVS 12.04.14 Stra\u00dfenzustandsinformationssysteme f\u00fcr den Winterdienst (November 2014)<br \/>\nDE: Technische Lieferbedingungen f\u00fcr Streckenstationen Ausgabe 2012 (TLS 2012)<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div><\/div><\/section>\n<\/div><\/p><\/div>\n\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" 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(PDF, 539 kB)<\/span><\/span><br \/>\n\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-av_hr-616cd310f4c6bf63bbd1f033802c1165\">\n#top .hr.hr-invisible.av-av_hr-616cd310f4c6bf63bbd1f033802c1165{\nheight:20px;\n}\n<\/style>\n<div  class='hr av-av_hr-616cd310f4c6bf63bbd1f033802c1165 hr-invisible  avia-builder-el-15  el_after_av_font_icon  el_before_av_font_icon '><span class='hr-inner '><span class=\"hr-inner-style\"><\/span><\/span><\/div><br \/>\n\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-av_font_icon-6b5c87894869d16b474291823e7d8902\">\n.av_font_icon.av-av_font_icon-6b5c87894869d16b474291823e7d8902 .av-icon-char{\nfont-size:25px;\nline-height:25px;\nwidth:25px;\n}\n<\/style>\n<span  class='av_font_icon av-av_font_icon-6b5c87894869d16b474291823e7d8902 avia_animate_when_visible av-icon-style-border avia-icon-pos-center avia-iconfont avia-font-entypo-fontello av-no-color avia-icon-animate'><a 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class='av_font_icon av-av_font_icon-2bbf6fb502671000fa564b4697942e3d avia_animate_when_visible av-icon-style-border avia-icon-pos-center avia-iconfont avia-font-entypo-fontello av-no-color avia-icon-animate'><a href='\/wp-content\/uploads\/2017\/02\/RVS_Konformit\u00e4tserkl\u00e4rung_SWS_2016-12-20_RJU.pdf'   class='av-icon-char' data-av_icon='\ue84b' data-av_iconfont='entypo-fontello' aria-hidden=\"false\" ><\/a><span class='av_icon_caption av-special-font'>RVS Konformit\u00e4tserkl\u00e4rung DE (PDF, 248 kB)<\/span><\/span><br \/>\n\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-av_hr-a6de236e6c183bbbd700292deacd2b52\">\n#top .hr.hr-invisible.av-av_hr-a6de236e6c183bbbd700292deacd2b52{\nheight:20px;\n}\n<\/style>\n<div  class='hr av-av_hr-a6de236e6c183bbbd700292deacd2b52 hr-invisible  avia-builder-el-19  el_after_av_font_icon  el_before_av_heading '><span class='hr-inner '><span class=\"hr-inner-style\"><\/span><\/span><\/div><br \/>\n\n<style 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(max-width: 495px) 100vw, 495px\" \/><\/div><\/a><\/div><\/div><\/p><\/div><div  class='flex_column av-av_one_full-2a9015ff38129c418a3f2eafba3e9512 av_one_full  avia-builder-el-24  el_after_av_one_fourth  avia-builder-el-last  first flex_column_div  column-top-margin'     ><p>\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-av_heading-81715d548d5dfdde5bc69e8960d30e94\">\n#top .av-special-heading.av-av_heading-81715d548d5dfdde5bc69e8960d30e94{\npadding-bottom:10px;\n}\nbody .av-special-heading.av-av_heading-81715d548d5dfdde5bc69e8960d30e94 .av-special-heading-tag .heading-char{\nfont-size:25px;\n}\n.av-special-heading.av-av_heading-81715d548d5dfdde5bc69e8960d30e94 .av-subheading{\nfont-size:15px;\n}\n<\/style>\n<div  class='av-special-heading av-av_heading-81715d548d5dfdde5bc69e8960d30e94 av-special-heading-h3  avia-builder-el-25  el_before_av_portfolio  avia-builder-el-no-sibling '><h3 class='av-special-heading-tag '  itemprop=\"headline\"  >Related products<\/h3><div class=\"special-heading-border\"><div class=\"special-heading-inner-border\"><\/div><\/div><\/div><br \/>\n<div  id=\"av-sc-portfolio-1\"  class=' grid-sort-container isotope   no_margin-container with-title-container grid-total-even grid-col-4 grid-links-' data-portfolio-id='1'><div data-ajax-id='1795' class=' grid-entry flex_column isotope-item all_sort no_margin post-entry post-entry-1795 grid-entry-overview grid-loop-1 grid-parity-odd  weather_sort  av_one_fourth first default_av_fullwidth '><article class='main_color inner-entry'  itemscope=\"itemscope\" itemtype=\"https:\/\/schema.org\/CreativeWork\" ><a href=\"https:\/\/www.tunnelsicherheit.at\/en\/product\/wpwd-visibility-and-present-weather-sensor\/\" title='w\/PWD Visibility and present weather sensor'  data-rel='grid-1' class='grid-image avia-hover-fx'> <img decoding=\"async\" fetchpriority=\"high\" width=\"260\" height=\"185\" src=\"https:\/\/i0.wp.com\/www.tunnelsicherheit.at\/wp-content\/uploads\/2017\/09\/wPWD_Portfolio.jpg?resize=260%2C185&amp;ssl=1\" class=\"wp-image-1813 avia-img-lazy-loading-not-1813 attachment-portfolio_small size-portfolio_small wp-post-image\" alt=\"\" srcset=\"https:\/\/i0.wp.com\/www.tunnelsicherheit.at\/wp-content\/uploads\/2017\/09\/wPWD_Portfolio.jpg?w=450&amp;ssl=1 450w, https:\/\/i0.wp.com\/www.tunnelsicherheit.at\/wp-content\/uploads\/2017\/09\/wPWD_Portfolio.jpg?resize=300%2C213&amp;ssl=1 300w, https:\/\/i0.wp.com\/www.tunnelsicherheit.at\/wp-content\/uploads\/2017\/09\/wPWD_Portfolio.jpg?resize=260%2C185&amp;ssl=1 260w\" sizes=\"(max-width: 260px) 100vw, 260px\" data-wp-pid=\"1813\" \/><\/a><div class='grid-content'><div class='avia-arrow'><\/div><header class=\"entry-content-header\" aria-label=\"Portfolio: w\/PWD Visibility and present weather sensor\"><h3 class='grid-entry-title entry-title '  itemprop=\"headline\" ><a href='https:\/\/www.tunnelsicherheit.at\/en\/product\/wpwd-visibility-and-present-weather-sensor\/' title='w\/PWD Visibility and present weather sensor'>w\/PWD Visibility and present weather sensor<\/a><\/h3><\/header><\/div><footer class=\"entry-footer\"><\/footer><\/article><\/div><div data-ajax-id='1784' class=' grid-entry flex_column isotope-item all_sort no_margin post-entry post-entry-1784 grid-entry-overview grid-loop-2 grid-parity-even  post-entry-last  weather_sort  av_one_fourth  default_av_fullwidth '><article class='main_color inner-entry'  itemscope=\"itemscope\" itemtype=\"https:\/\/schema.org\/CreativeWork\" ><a href=\"https:\/\/www.tunnelsicherheit.at\/en\/product\/wmor-visibility-sensor\/\" title='w\/MOR Visibility sensor'  data-rel='grid-1' class='grid-image avia-hover-fx'> <img decoding=\"async\" fetchpriority=\"high\" width=\"260\" height=\"185\" src=\"https:\/\/i0.wp.com\/www.tunnelsicherheit.at\/wp-content\/uploads\/2016\/04\/wMOR_Portfolio.jpg?resize=260%2C185&amp;ssl=1\" class=\"wp-image-1158 avia-img-lazy-loading-not-1158 attachment-portfolio_small size-portfolio_small wp-post-image\" alt=\"\" srcset=\"https:\/\/i0.wp.com\/www.tunnelsicherheit.at\/wp-content\/uploads\/2016\/04\/wMOR_Portfolio.jpg?w=450&amp;ssl=1 450w, https:\/\/i0.wp.com\/www.tunnelsicherheit.at\/wp-content\/uploads\/2016\/04\/wMOR_Portfolio.jpg?resize=300%2C213&amp;ssl=1 300w, https:\/\/i0.wp.com\/www.tunnelsicherheit.at\/wp-content\/uploads\/2016\/04\/wMOR_Portfolio.jpg?resize=260%2C185&amp;ssl=1 260w\" sizes=\"(max-width: 260px) 100vw, 260px\" data-wp-pid=\"1158\" \/><\/a><div class='grid-content'><div class='avia-arrow'><\/div><header class=\"entry-content-header\" aria-label=\"Portfolio: w\/MOR Visibility sensor\"><h3 class='grid-entry-title entry-title '  itemprop=\"headline\" ><a 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