{"id":3908,"date":"2025-07-20T12:51:56","date_gmt":"2025-07-20T05:51:56","guid":{"rendered":"https:\/\/www.dss.go.th\/nirl\/?page_id=3908"},"modified":"2026-06-02T11:23:20","modified_gmt":"2026-06-02T04:23:20","slug":"banner-length-and-dimensional-calibration-laboratory","status":"publish","type":"page","link":"https:\/\/www.dss.go.th\/nirl\/banner-length-and-dimensional-calibration-laboratory\/","title":{"rendered":"Banner Length and Dimensional Calibration Laboratory"},"content":{"rendered":"
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1. Banner 1 LDC-RCLC<\/div>
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2. Banner 1 LDC-RCLC<\/div>
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3. Banner 1 LDC-RCLC<\/div>
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Length and Dimensional Calibration Group (LDC), Reference Calibration Laboratory Center (RCLC)<\/strong><\/p>\n\n\n\n

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\"\"<\/figure>\n\n\n\n

Fig 1. Laser Head.<\/p>\n<\/div>\n\n\n\n

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Fig 2. Laser distance meter.<\/p>\n<\/div>\n\n\n\n

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Fig 3. XAMPP Software.<\/p>\n<\/div>\n<\/div>\n\n\n\n

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Fig 4. The design of smart measuring probe (SMP)<\/p>\n\n\n\n

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Fig 5. Laser distance meter measuring bench 20 m<\/p>\n\n\n\n

<\/p>\n\n\n\n

\u2728 1.<\/strong> Significant Products:<\/strong><\/p>\n\n\n\n

The significant product developed is a Smart Measuring Probe (SMP) designed for calibration of Laser Distance Meters (LDM). It features:
\u2022 Automatic high-precision positioning (repeatability \u00b10.002 mm).
\u2022 Wireless DC motor control.
\u2022 Integration with interferometry system for reduced measurement uncertainty.
\u2022 Complies with ISO 16331-1:2012.
The SMP enables accurate, automated calibration of LDMs up to 20 meters, reducing human errors and ensuring traceability with measurement uncertainties as low as 0.64 mm.<\/p>\n\n\n\n

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\ud83c\udfe2 2<\/strong>. Responsibilities of Group:<\/strong><\/p>\n\n\n\n

    \n
  • Developing and improving calibration systems for length measurement.<\/li>\n\n\n\n
  • Conducting research in advanced laser metrology.<\/li>\n\n\n\n
  • Providing calibration services for LDMs and other distance instruments.<\/li>\n\n\n\n
  • Supporting national metrology traceability and international standards compliance.<\/li>\n<\/ul>\n\n\n\n
    \n\n\n\n

    \ud83c\udfaf 3.<\/strong> Scope of Research Field:<\/strong><\/p>\n\n\n\n

      \n
    • Laser distance metrology and calibration.<\/li>\n\n\n\n
    • Development of interferometry systems.<\/li>\n\n\n\n
    • Evaluation and reduction of measurement uncertainties.<\/li>\n\n\n\n
    • Smart automation for calibration instruments.<\/li>\n\n\n\n
    • Smart Measuring Probe: SMP<\/li>\n<\/ul>\n\n\n\n

      This intelligent probe is specially designed for LDM calibration system. The body is made of high grade aluminum (7075), the movement is controlled by high precision DC motor, wireless control, the control software is XAMPP, which can set the measuring points automatically and collect the data from CCD camera until all the calibration points are reached.<\/p>\n\n\n\n

      \n\n\n\n

      \ud83e\uddea 4.<\/strong> Related Testing\/Calibration:<\/strong><\/p>\n\n\n\n

        \n
      • Laser Distance Meters Calibration base on ISO 16331-1 (2012).<\/li>\n\n\n\n
      • Calibration points (CP) up to 10CP (following ISO 16331-1 (2012).<\/li>\n<\/ul>\n\n\n\n
          \n
        • Laboratory conditions with<\/strong>
          Temperature 25 \u00b13\u00b0C
          Humidity 50 \u00b110%
          Target refectivity 95\u00b15%
          Background illumination < 3000 lx<\/li>\n<\/ul>\n\n\n\n
            \n
          • Measurement uncertainties<\/strong>
            This measurement uncertainty evaluation based on M3003 (2012)
            Standard accuracy
            Dead path error of standard
            Resolution of standard
            Resolution of UUC
            Abbe error of measuring bench
            Abbe error of standard
            Cosine error of standard
            Cosine error of UUC
            Drift of standard
            Refractive index of air
            Zero positioning error of standard
            Temperature effect
            Deviation<\/li>\n<\/ul>\n\n\n\n
            \n\n\n\n

            \ud83e\udd7c 5.<\/strong> Testing Services:<\/strong><\/p>\n\n\n\n

            Laser Distance Meter<\/strong><\/p>\n\n\n\n

              \n
            • 0 m to 6 m *CMC 0.25 mm<\/li>\n\n\n\n
            • > 6 m to 10 m *CMC 0.36 mm<\/li>\n\n\n\n
            • > 10 m to 14 *CMC 0.50 mm<\/li>\n\n\n\n
            • > 14 m to 20 m *CMC 0.70 mm<\/li>\n<\/ul>\n\n\n\n

              Base on ISO 16331-1 : 2012<\/strong>
              CMC = Calibration and Measurement Capability<\/p>\n\n\n\n

              \n\n\n\n

              \ud83d\udd2c 6.<\/strong> Key Scientific Instruments\/Techniques:<\/strong><\/p>\n\n\n\n

                \n
              • Smart Measuring Probe (SMP)<\/li>\n\n\n\n
              • Laser measurement system 5529A (He-Ne Laser 633 nm)<\/li>\n\n\n\n
              • CCD camera with data capture software (XAMPP-based)<\/li>\n\n\n\n
              • Calibration Bench up to 20 m<\/li>\n<\/ul>\n\n\n\n
                \n\n\n\n

                \ud83c\udfc6 7.<\/strong> Outstanding Achievements\/Awards and Honors:<\/strong><\/p>\n\n\n\n

                  \n
                • Accredited with ISO\/IEC 17025<\/li>\n<\/ul>\n\n\n\n
                    \n
                  • Developed one of the first automated LDM calibration systems in Thailan<\/li>\n<\/ul>\n\n\n\n
                    \n\n\n\n

                    \ud83d\udcc4 8.<\/strong> Reference publications\/Journal:<\/strong><\/p>\n\n\n\n

                    –<\/p>\n\n\n\n

                    \n\n\n\n

                    \u260e\ufe0f 9.<\/strong> Contact Persons<\/strong>:<\/p>\n\n\n\n

                    \n
                    \n
                    \"\"<\/figure>\n\n\n\n

                    Mr. Pisit Hormchoey
                    Position : Head of Length and Dimensional Calibration Group (Scientist, Professional Level)
                    Email : pisit@dss.go.th
                    Telephone : 0 2201 7058<\/p>\n<\/div>\n\n\n\n

                    \n
                    \"\"<\/figure>\n\n\n\n

                    Mr. Tanawut Sukreetha
                    Position : Scientist, Practitioner Level
                    Email : stanawut@dss.go.th
                    Telephone : 0 2201 7058<\/p>\n<\/div>\n\n\n\n

                    \n
                    \"\"<\/figure>\n\n\n\n

                    Mr. Ananya Mingmueang
                    Position : Scientist, Practitioner Level
                    Email : ananya@dss.go.th
                    Telephone : 0 2201 7058<\/p>\n<\/div>\n<\/div>\n\n\n\n

                    \"\"<\/span>
                    \n

                    <\/p>\n<\/div><\/div>\n","protected":false},"excerpt":{"rendered":"

                    Length and Dimensional Calibration Group (LDC), Reference Calibration Laboratory Center (RCLC) Fig 1. Laser Head. Fig 2. Laser distance meter. Fig 3. XAMPP Software. Fig 4. The design of smart […]<\/p>\n","protected":false},"author":2,"featured_media":0,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"_angie_page":false,"_surecart_dashboard_logo_width":"180px","_surecart_dashboard_show_logo":true,"_surecart_dashboard_navigation_orders":true,"_surecart_dashboard_navigation_invoices":true,"_surecart_dashboard_navigation_subscriptions":true,"_surecart_dashboard_navigation_downloads":true,"_surecart_dashboard_navigation_billing":true,"_surecart_dashboard_navigation_account":true,"_uag_custom_page_level_css":"","site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"default","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"disabled","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","ast-disable-related-posts":"","theme-transparent-header-meta":"","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"default","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"ast-content-background-meta":{"desktop":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"_price":"","_stock":"","_tribe_ticket_header":"","_tribe_default_ticket_provider":"","_tribe_ticket_capacity":"0","_ticket_start_date":"","_ticket_end_date":"","_tribe_ticket_show_description":"","_tribe_ticket_show_not_going":false,"_tribe_ticket_use_global_stock":"","_tribe_ticket_global_stock_level":"","_global_stock_mode":"","_global_stock_cap":"","_tribe_rsvp_for_event":"","_tribe_ticket_going_count":"","_tribe_ticket_not_going_count":"","_tribe_tickets_list":"[]","_tribe_ticket_has_attendee_info_fields":false,"footnotes":"","_tec_slr_enabled":"","_tec_slr_layout":""},"class_list":["post-3908","page","type-page","status-publish","hentry"],"yoast_head":"\nBanner Length and Dimensional Calibration Laboratory - NIRL-DSS<\/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.dss.go.th\/nirl\/banner-length-and-dimensional-calibration-laboratory\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Banner Length and Dimensional Calibration Laboratory - NIRL-DSS\" \/>\n<meta property=\"og:description\" content=\"Length and Dimensional Calibration Group (LDC), Reference Calibration Laboratory Center (RCLC) Fig 1. 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