{"id":4229,"date":"2025-07-29T03:29:29","date_gmt":"2025-07-29T03:29:29","guid":{"rendered":"https:\/\/roadskymarking.com\/?p=4229"},"modified":"2025-07-29T05:50:01","modified_gmt":"2025-07-29T05:50:01","slug":"retroreflectometer-for-road-markings-rlqd-short-type","status":"publish","type":"post","link":"https:\/\/roadskymarking.com\/it\/retroreflectometer-for-road-markings-rlqd-short-type.html","title":{"rendered":"Retroflettometro per segnaletica stradale RL&amp;QD (tipo corto)"},"content":{"rendered":"<p>Questo strumento di misurazione della retroriflettanza \u00e8 uno strumento portatile di misurazione sul campo, in grado di simulare la luminosit\u00e0 della segnaletica stradale visibile al conducente sotto l'illuminazione dei fari dei veicoli a motore durante la notte. Il parametro misurato \u00e8 il coefficiente di retroriflettanza luminosa notturna, ovvero il valore RL, espresso in mcd-m-2-lx-1.<\/p>\n\n\n\n<p>Viene utilizzato per misurare le caratteristiche di retroriflessione della segnaletica stradale. \u00c8 adatto all'ambiente di laboratorio e alla misurazione sul campo. I produttori di segnaletica stradale, le unit\u00e0 di costruzione del processo di segnaletica stradale e le unit\u00e0 di supervisione della qualit\u00e0 delle strade vengono utilizzati per misurare le prestazioni di retroriflettenza della segnaletica stradale.<\/p>\n\n\n\n<figure class=\"wp-block-embed is-type-video is-provider-youtube wp-block-embed-youtube wp-embed-aspect-16-9 wp-has-aspect-ratio\"><div class=\"wp-block-embed__wrapper\">\n<iframe loading=\"lazy\" title=\"Retroflettometro per segnaletica stradale RL&amp;QD (tipo corto) - RoadSky\" width=\"500\" height=\"281\" src=\"https:\/\/www.youtube.com\/embed\/EPV5H9JqlRc?feature=oembed\" frameborder=\"0\" allow=\"accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture; web-share\" referrerpolicy=\"strict-origin-when-cross-origin\" allowfullscreen><\/iframe>\n<\/div><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\">Specifiche:<\/h2>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><tbody><tr><td>Elementi di misura:<\/td><td>coefficiente di retroriflettenza mcd.m-2.lx-1<\/td><\/tr><tr><td>Campo di misura:<\/td><td>0&#8212;4000<\/td><\/tr><tr><td>Angolo di osservazione:<\/td><td>1.05\u00b0<\/td><\/tr><tr><td>Angolo di incidenza:<\/td><td>88,76\u00b0, angolo complementare 1,24\u00b0<\/td><\/tr><tr><td>Temperatura di colore della sorgente luminosa:<\/td><td>2856\u00b150K<\/td><\/tr><tr><td>Misurazione dell'area di apertura:<\/td><td>240 mm x 95 mm<\/td><\/tr><tr><td>Errore di misura della ripetibilit\u00e0:<\/td><td>\u22643%<\/td><\/tr><tr><td>Tempo di lavoro continuo della batteria:<\/td><td>\uff1e72h<\/td><\/tr><tr><td>Spazio di archiviazione dati:<\/td><td>8 GB<\/td><\/tr><tr><td>Capacit\u00e0 della batteria integrata:<\/td><td>13Ah<\/td><\/tr><tr><td>Caricabatterie:<\/td><td>DC 8,4V<\/td><\/tr><tr><td>Temperatura ambiente:<\/td><td>-15\u2103~+60\u2103<\/td><\/tr><tr><td>Umidit\u00e0 ambientale:<\/td><td>\uff1c98%, senza gelo<\/td><\/tr><tr><td>Dimensione dello strumento:<\/td><td>480 mm x 134 mm x 124 mm<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<figure class=\"wp-block-gallery has-nested-images columns-default is-cropped wp-block-gallery-1 is-layout-flex wp-block-gallery-is-layout-flex\">\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"600\" height=\"400\" data-id=\"4249\" src=\"https:\/\/roadskymarking.com\/wp-content\/uploads\/2025\/07\/Retroreflectometer-for-Road-Markings-RLQD-Short-Type-Main-Functional-Characteristics.jpg\" alt=\"Retroflettometro per segnaletica stradale RL&amp;QD (tipo corto) Principali caratteristiche funzionali\" class=\"wp-image-4249\" srcset=\"https:\/\/roadskymarking.com\/wp-content\/uploads\/2025\/07\/Retroreflectometer-for-Road-Markings-RLQD-Short-Type-Main-Functional-Characteristics.jpg 600w, https:\/\/roadskymarking.com\/wp-content\/uploads\/2025\/07\/Retroreflectometer-for-Road-Markings-RLQD-Short-Type-Main-Functional-Characteristics-400x267.jpg 400w, https:\/\/roadskymarking.com\/wp-content\/uploads\/2025\/07\/Retroreflectometer-for-Road-Markings-RLQD-Short-Type-Main-Functional-Characteristics-18x12.jpg 18w\" sizes=\"auto, (max-width: 600px) 100vw, 600px\" \/><\/figure>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"600\" height=\"400\" data-id=\"4250\" src=\"https:\/\/roadskymarking.com\/wp-content\/uploads\/2025\/07\/Retroreflectometer-for-Road-Markings-RLQD-Short-Type-Main-Functional-Characteristics-2.jpg\" alt=\"Retroflettometro per segnaletica stradale RL&amp;QD (tipo corto) Principali caratteristiche funzionali\" class=\"wp-image-4250\" srcset=\"https:\/\/roadskymarking.com\/wp-content\/uploads\/2025\/07\/Retroreflectometer-for-Road-Markings-RLQD-Short-Type-Main-Functional-Characteristics-2.jpg 600w, https:\/\/roadskymarking.com\/wp-content\/uploads\/2025\/07\/Retroreflectometer-for-Road-Markings-RLQD-Short-Type-Main-Functional-Characteristics-2-400x267.jpg 400w, https:\/\/roadskymarking.com\/wp-content\/uploads\/2025\/07\/Retroreflectometer-for-Road-Markings-RLQD-Short-Type-Main-Functional-Characteristics-2-18x12.jpg 18w\" sizes=\"auto, (max-width: 600px) 100vw, 600px\" \/><\/figure>\n<\/figure>\n\n\n\n<h2 class=\"wp-block-heading\">Principali caratteristiche funzionali<\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Supporto della misurazione rapida (misurare il valore del coefficiente di retroriflettenza entro 3 secondi)<\/li>\n\n\n\n<li>Supporta una semplice procedura di calibrazione<\/li>\n\n\n\n<li>Supporto touch screen LCD trasparente ad alta luminosit\u00e0 e l'interfaccia operativa pu\u00f2 essere vista chiaramente sotto l'illuminazione<\/li>\n\n\n\n<li>Supporta misurazioni multiple per calcolare la media<\/li>\n\n\n\n<li>Supporta la memorizzazione di oltre 99.999 informazioni sui dati di prova, compresi i dati di misura, l'operatore, le informazioni sulla sezione stradale e il tempo di prova, ecc.<\/li>\n\n\n\n<li>Supporta l'archiviazione dei dati su scheda SD da 8G e supporta l'archiviazione dei dati in formato Excel; i dati possono essere esportati sul computer attraverso il disco U.<\/li>\n\n\n\n<li>Supporto della trasmissione in tempo reale dei dati misurati<\/li>\n\n\n\n<li>Supporto per il blocco dei dati di rilevamento in loco e stampa diretta dei risultati dei test in loco tramite stampante<\/li>\n\n\n\n<li>Immissione di caratteri cinesi, inglesi e di caratteri con la pulsantiera a sfioramento<\/li>\n\n\n\n<li>Supporto della visualizzazione in tempo reale della temperatura e dell'umidit\u00e0 in loco<\/li>\n\n\n\n<li>Aprire la modalit\u00e0 operativa del menu in inglese ai clienti stranieri<\/li>\n\n\n\n<li>Supporta la gestione intelligente dello standby e il sistema entra automaticamente in stato di sospensione quando non c'\u00e8 alcuna operazione<\/li>\n\n\n\n<li>Nell'ambito dello stesso ambiente di misurazione in loco, supporta la calibrazione una tantum di tutti i colori prima del test, senza dover calibrare ogni volta colori diversi.<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\">Contattateci per un preventivo gratuito<\/h2>\n\n\n\n<p><em>Compilate il modulo sottostante e i nostri rappresentanti commerciali vi contatteranno a breve.<\/em><\/p>\n\n\n\n<div class=\"wp-block-contact-form-7-contact-form-selector\">\n<div class=\"wpcf7 no-js\" id=\"wpcf7-f1316-o1\" lang=\"en-US\" dir=\"ltr\" data-wpcf7-id=\"1316\">\n<div class=\"screen-reader-response\"><p role=\"status\" aria-live=\"polite\" aria-atomic=\"true\"><\/p> <ul><\/ul><\/div>\n<form action=\"\/it\/wp-json\/wp\/v2\/posts\/4229#wpcf7-f1316-o1\" method=\"post\" class=\"wpcf7-form init\" aria-label=\"Modulo di contatto\" novalidate=\"novalidate\" data-status=\"init\" data-trp-original-action=\"\/it\/wp-json\/wp\/v2\/posts\/4229#wpcf7-f1316-o1\">\n<fieldset class=\"hidden-fields-container\"><input type=\"hidden\" name=\"_wpcf7\" value=\"1316\" \/><input type=\"hidden\" name=\"_wpcf7_version\" value=\"6.1.5\" \/><input type=\"hidden\" name=\"_wpcf7_locale\" value=\"en_US\" \/><input type=\"hidden\" name=\"_wpcf7_unit_tag\" value=\"wpcf7-f1316-o1\" \/><input type=\"hidden\" name=\"_wpcf7_container_post\" value=\"0\" \/><input type=\"hidden\" name=\"_wpcf7_posted_data_hash\" value=\"\" \/>\n<\/fieldset>\n<div class=\"wpcf7-turnstile cf-turnstile\" data-sitekey=\"0x4AAAAAACH9ueYy7fDdFIjX\" data-response-field-name=\"_wpcf7_turnstile_response\"><\/div>\n\n<p><label><em>*<\/em>Oggetto:<\/label><span class=\"wpcf7-form-control-wrap\" data-name=\"your-subject\"><input size=\"40\" maxlength=\"400\" class=\"wpcf7-form-control wpcf7-text wpcf7-validates-as-required\" id=\"your-subject\" aria-required=\"true\" aria-invalid=\"false\" value=\"Product Inquiry\" type=\"text\" name=\"your-subject\" \/><\/span>\n<\/p>\n<p><label><em>*<\/em>Nome:<\/label><span class=\"wpcf7-form-control-wrap\" data-name=\"your-name\"><input size=\"40\" maxlength=\"400\" class=\"wpcf7-form-control wpcf7-text wpcf7-validates-as-required\" id=\"your-name\" aria-required=\"true\" aria-invalid=\"false\" placeholder=\"Compilare il nome comunemente usato\" value=\"\" type=\"text\" name=\"your-name\" \/><\/span>\n<\/p>\n<p><label><em>*<\/em>E-mail:<\/label><span class=\"wpcf7-form-control-wrap\" data-name=\"your-email\"><input size=\"40\" maxlength=\"400\" class=\"wpcf7-form-control wpcf7-email wpcf7-validates-as-required wpcf7-text wpcf7-validates-as-email\" id=\"your-email\" aria-required=\"true\" aria-invalid=\"false\" placeholder=\"Compilare l&#039;e-mail comunemente utilizzata\" value=\"\" type=\"email\" name=\"your-email\" \/><\/span>\n<\/p>\n<p><label>Telefono:<\/label><span class=\"wpcf7-form-control-wrap\" data-name=\"your-phone\"><input size=\"40\" maxlength=\"400\" class=\"wpcf7-form-control wpcf7-text\" id=\"your-phone\" aria-invalid=\"false\" placeholder=\"Inserire il numero di telefono di contatto o il cellulare\" value=\"\" type=\"text\" name=\"your-phone\" \/><\/span>\n<\/p>\n<p><label>Paese:<\/label><span class=\"wpcf7-form-control-wrap\" data-name=\"your-country\"><input size=\"40\" maxlength=\"400\" class=\"wpcf7-form-control wpcf7-text\" id=\"your-country\" aria-invalid=\"false\" placeholder=\"Inserite il vostro paese\" value=\"\" type=\"text\" name=\"your-country\" \/><\/span>\n<\/p>\n<p><label>Azienda:<\/label><span class=\"wpcf7-form-control-wrap\" data-name=\"your-company\"><input size=\"40\" maxlength=\"400\" class=\"wpcf7-form-control wpcf7-text\" id=\"your-company\" aria-invalid=\"false\" placeholder=\"Inserire il nome della societ\u00e0\" value=\"\" type=\"text\" name=\"your-company\" \/><\/span>\n<\/p>\n<p><label><em>*<\/em>Contenuto:<\/label><span class=\"wpcf7-form-control-wrap\" data-name=\"your-message\"><textarea cols=\"40\" rows=\"10\" maxlength=\"2000\" class=\"wpcf7-form-control wpcf7-textarea wpcf7-validates-as-required\" aria-required=\"true\" aria-invalid=\"false\" placeholder=\"Inserite i dettagli che desiderate conoscere, come il nome del prodotto, le specifiche, il prezzo, il MOQ, ecc.\" name=\"your-message\"><\/textarea><\/span>\n<\/p>\n<p class=\"btn-submit\"><label> <\/label><input class=\"wpcf7-form-control wpcf7-submit has-spinner\" type=\"submit\" value=\"INVIA\" \/>\n<\/p><div class=\"wpcf7-response-output\" aria-hidden=\"true\"><\/div>\n<input type=\"hidden\" name=\"trp-form-language\" value=\"it\"\/><\/form>\n<\/div>\n<\/div>","protected":false},"excerpt":{"rendered":"<p>Questo strumento di misurazione della retroriflettanza \u00e8 uno strumento portatile di misurazione sul campo, in grado di simulare la luminosit\u00e0 della segnaletica stradale visibile al conducente sotto l'illuminazione dei fari dei veicoli a motore durante la notte. Il parametro misurato \u00e8 il coefficiente di retroriflettanza luminosa notturna, ovvero il valore RL, espresso in mcd-m-2-lx-1. Viene utilizzato per misurare le caratteristiche di retroriflettenza della segnaletica stradale. \u00c8 adatto all'ambiente di laboratorio e alla misurazione sul campo. I produttori di segnaletica stradale, le unit\u00e0 di costruzione del processo di segnaletica stradale e le unit\u00e0 di supervisione della qualit\u00e0 delle strade vengono utilizzati per misurare le prestazioni di retroriflettenza della segnaletica stradale. Specifiche: Elementi di misura: coefficiente di retroriflettenza mcd.m-2.lx-1 Campo di misura: 0-4000 Angolo di osservazione: 1,05\u00b0 Angolo di incidenza: 88,76\u00b0, angolo complementare di 1,24\u00b0 Temperatura di colore della sorgente luminosa: 2856\u00b150K Area di apertura di misurazione: 240 mm x 95 mm Errore di misura della ripetibilit\u00e0: \u22643% Tempo di lavoro continuo della batteria: \uff1e72h Spazio di archiviazione dati: 8GB Capacit\u00e0 della batteria integrata: 13Ah Caricabatterie: DC 8.4V Temperatura ambiente: -15\u2103~+60\u2103 Umidit\u00e0 ambiente: \uff1c98%, senza gelo Dimensioni dello strumento: 480mm x 134mm x 124mm Principali caratteristiche funzionali Contatto ...<\/p>","protected":false},"author":1,"featured_media":4241,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[10],"tags":[],"class_list":["post-4229","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-road-marking-detection-equipment"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.3 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Retroreflectometer for Road Markings RL&amp;QD (Short Type)<\/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:\/\/roadskymarking.com\/it\/retroreflectometer-for-road-markings-rlqd-short-type.html\/\" \/>\n<meta property=\"og:locale\" content=\"it_IT\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Retroreflectometer for Road Markings RL&amp;QD (Short Type)\" \/>\n<meta property=\"og:description\" content=\"This Retroreflectance measuring instrument is a portable field measuring instrument, which can simulate the road marking brightness visible to the driver under the headlamp illumination of motor vehicle at night. The measured parameter is the luminous Retroreflectance coefficient at night, i.e. RL value, in mcd\u00b7m-2\u00b7lx-1. It is used to measure the retroreflection characteristics of road markings. It is suitable for laboratory environment and field measurement. Road marking manufacturers, road marking process construction units and road quality supervision units are used to measure the retroreflective performance of road markings. Specifications: Measurement items: retroreflective coefficient mcd.m-2.lx-1 Measurement range: 0&#8212;4000 Observation angle: 1.05\u00b0 Angle of incidence: 88.76\u00b0, Complementary angle is 1.24\u00b0 Light source color temperature: 2856\u00b150K Measuring aperture area: 240mm x 95mm Error of repeatability measurement: \u22643% Continuous working time of battery: \uff1e72h Data storage space: 8GB Built-in battery capacity: 13Ah Charger: DC 8.4V Ambient temperature: -15\u2103~+60\u2103 Ambient humidity: \uff1c98%, no frost Instrument size: 480mm x 134mm x 124mm Main Functional Characteristics Contact ...\" \/>\n<meta property=\"og:url\" content=\"https:\/\/roadskymarking.com\/it\/retroreflectometer-for-road-markings-rlqd-short-type.html\/\" \/>\n<meta property=\"og:site_name\" content=\"Nanjing Roadsky Traffic Facility Co.,Ltd. (Roadsky Corporation)\" \/>\n<meta property=\"article:author\" content=\"admin\" \/>\n<meta property=\"article:published_time\" content=\"2025-07-29T03:29:29+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2025-07-29T05:50:01+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/roadskymarking.com\/wp-content\/uploads\/2025\/07\/Retroreflectometer-for-Road-Markings-RLQD-Short-Type.jpg\" \/>\n\t<meta property=\"og:image:width\" content=\"600\" \/>\n\t<meta property=\"og:image:height\" content=\"600\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/jpeg\" \/>\n<meta name=\"author\" content=\"\u884c\u653f\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"Scritto da\" \/>\n\t<meta name=\"twitter:data1\" content=\"\u884c\u653f\" \/>\n\t<meta name=\"twitter:label2\" content=\"Tempo di lettura stimato\" \/>\n\t<meta name=\"twitter:data2\" content=\"3 minuti\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\\\/\\\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\\\/\\\/roadskymarking.com\\\/retroreflectometer-for-road-markings-rlqd-short-type.html#article\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/roadskymarking.com\\\/retroreflectometer-for-road-markings-rlqd-short-type.html\"},\"author\":{\"name\":\"\u884c\u653f\",\"@id\":\"https:\\\/\\\/roadskymarking.com\\\/#\\\/schema\\\/person\\\/5f610920429d3b09aeb4dde308bd451a\"},\"headline\":\"Retroreflectometer for Road Markings RL&amp;QD (Short Type)\",\"datePublished\":\"2025-07-29T03:29:29+00:00\",\"dateModified\":\"2025-07-29T05:50:01+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\\\/\\\/roadskymarking.com\\\/retroreflectometer-for-road-markings-rlqd-short-type.html\"},\"wordCount\":368,\"publisher\":{\"@id\":\"https:\\\/\\\/roadskymarking.com\\\/#organization\"},\"image\":{\"@id\":\"https:\\\/\\\/roadskymarking.com\\\/retroreflectometer-for-road-markings-rlqd-short-type.html#primaryimage\"},\"thumbnailUrl\":\"https:\\\/\\\/roadskymarking.com\\\/wp-content\\\/uploads\\\/2025\\\/07\\\/Retroreflectometer-for-Road-Markings-RLQD-Short-Type.jpg\",\"articleSection\":[\"Road Marking Detection Equipment\"],\"inLanguage\":\"it-IT\"},{\"@type\":\"WebPage\",\"@id\":\"https:\\\/\\\/roadskymarking.com\\\/retroreflectometer-for-road-markings-rlqd-short-type.html\",\"url\":\"https:\\\/\\\/roadskymarking.com\\\/retroreflectometer-for-road-markings-rlqd-short-type.html\",\"name\":\"Retroreflectometer for Road Markings RL&amp;QD (Short Type)\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/roadskymarking.com\\\/#website\"},\"primaryImageOfPage\":{\"@id\":\"https:\\\/\\\/roadskymarking.com\\\/retroreflectometer-for-road-markings-rlqd-short-type.html#primaryimage\"},\"image\":{\"@id\":\"https:\\\/\\\/roadskymarking.com\\\/retroreflectometer-for-road-markings-rlqd-short-type.html#primaryimage\"},\"thumbnailUrl\":\"https:\\\/\\\/roadskymarking.com\\\/wp-content\\\/uploads\\\/2025\\\/07\\\/Retroreflectometer-for-Road-Markings-RLQD-Short-Type.jpg\",\"datePublished\":\"2025-07-29T03:29:29+00:00\",\"dateModified\":\"2025-07-29T05:50:01+00:00\",\"breadcrumb\":{\"@id\":\"https:\\\/\\\/roadskymarking.com\\\/retroreflectometer-for-road-markings-rlqd-short-type.html#breadcrumb\"},\"inLanguage\":\"it-IT\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\\\/\\\/roadskymarking.com\\\/retroreflectometer-for-road-markings-rlqd-short-type.html\"]}]},{\"@type\":\"ImageObject\",\"inLanguage\":\"it-IT\",\"@id\":\"https:\\\/\\\/roadskymarking.com\\\/retroreflectometer-for-road-markings-rlqd-short-type.html#primaryimage\",\"url\":\"https:\\\/\\\/roadskymarking.com\\\/wp-content\\\/uploads\\\/2025\\\/07\\\/Retroreflectometer-for-Road-Markings-RLQD-Short-Type.jpg\",\"contentUrl\":\"https:\\\/\\\/roadskymarking.com\\\/wp-content\\\/uploads\\\/2025\\\/07\\\/Retroreflectometer-for-Road-Markings-RLQD-Short-Type.jpg\",\"width\":600,\"height\":600,\"caption\":\"Retroreflectometer for Road Markings RL&QD (Short Type)\"},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\\\/\\\/roadskymarking.com\\\/retroreflectometer-for-road-markings-rlqd-short-type.html#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Home\",\"item\":\"https:\\\/\\\/roadskymarking.com\\\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"Retroreflectometer for Road Markings RL&amp;QD (Short Type)\"}]},{\"@type\":\"WebSite\",\"@id\":\"https:\\\/\\\/roadskymarking.com\\\/#website\",\"url\":\"https:\\\/\\\/roadskymarking.com\\\/\",\"name\":\"Nanjing Roadsky Traffic Facility Co.,Ltd. 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