{"id":28557,"date":"2026-01-09T15:02:25","date_gmt":"2026-01-09T13:02:25","guid":{"rendered":"https:\/\/www.vsl.nl\/proficiency-testing-on-demand\/"},"modified":"2026-05-15T10:59:10","modified_gmt":"2026-05-15T08:59:10","slug":"proficiency-testing-on-demand","status":"publish","type":"page","link":"https:\/\/www.vsl.nl\/en\/services\/proficiency-testing\/proficiency-testing-on-demand\/","title":{"rendered":"Proficiency Testing On Demand"},"content":{"rendered":"

[vc_section full_width=”stretch_row” content_placement=”middle” css=”.vc_custom_1767970885851{background-image: url(https:\/\/www.vsl.nl\/wp-content\/uploads\/2022\/11\/compass_gr.jpg?id=2428) !important;background-position: center !important;background-repeat: no-repeat !important;background-size: cover !important;}” el_class=”main_header gradient_header dg-position-realtive”][vc_row equal_height=”yes” content_placement=”middle” el_class=”dg-header–small”][vc_column width=”5\/6″ el_class=”dg-padding-none full_width_responsive”][vc_column_text css=”.vc_custom_1778833076128{margin-bottom: 0px !important;padding-bottom: 0px !important;}” el_class=”text-white”]<\/p>\n

Proficiency Testing On Demand<\/h1>\n

Customised, flexible proficiency testing tailored to your lab<\/h4>\n

[\/vc_column_text][\/vc_column][vc_column width=”1\/6″][\/vc_column][\/vc_row][\/vc_section][vc_section el_class=”dg-padding-mid”][vc_row][vc_column width=”2\/3″ el_class=”full_width_responsive dg-padding-none”][vc_column_text css=”.vc_custom_1778833084783{margin-bottom: 0px !important;padding-right: 5% !important;}”]<\/p>\n

Proficiency Testing On Demand<\/h2>\n

Sometimes your laboratory requires something highly specific that standard PT rounds don\u2019t fully address. With PT On-Demand, VSL works with you to create a customised proficiency test tailored to your laboratory\u2019s scope, objectives, and timing. Whether you need rapid verification between audits, harmonisation across multiple sites, validation of a new method, or preparation for ISO\/IEC 17025:2017 accreditation, PT On-Demand delivers flexibility with the same rigour, impartiality, and confidentiality as our regular programmes.<\/p>\n

VSL is the National Metrology Institute of the Netherlands and an independent, globally accredited proficiency testing provider (ISO\/IEC 17043; RvA registration R006). We organise proficiency tests and interlaboratory comparisons across a broad range of measurement areas, helping laboratories demonstrate competence and strengthen quality assurance, including alignment with ISO\/IEC 17025 requirements.[\/vc_column_text][\/vc_column][vc_column width=”1\/3″ css=”.vc_custom_1757065002125{margin-top: 0px !important;margin-right: 0px !important;margin-bottom: 0px !important;margin-left: 0px !important;padding-top: 0px !important;padding-right: 0px !important;padding-left: 0px !important;}” el_class=”full_width_responsive tablet_expert”]

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PT On Demand<\/h3>\n

Ready to get started? \u2028Our experts are happy to help.<\/p>\n\n\t\t<\/div>\n\t<\/div>\n\n\t

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\n\t\t\t<\/i> vsl@vsl.nl<\/a>\n\t\t<\/div>\n\t<\/div>\n\n\t
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\n\t\t\t<\/i> +31 15 269 1500<\/a>\n\t\t<\/div>\n\t<\/div>\n
View planned PT rounds <\/i><\/a><\/div><\/div><\/div><\/div><\/div><\/div><\/div><\/div><\/div><\/section><\/div>[\/vc_column][\/vc_row][\/vc_section][vc_section][vc_row full_width=”stretch_row” equal_height=”yes” content_placement=”top” el_class=”dg-padding-mid brand_element_small” css=”.vc_custom_1764854850780{background-color: #F7F7F7 !important;}”][vc_column el_class=”full_width_responsive dg-padding-none”][vc_column_text css=”.vc_custom_1767970782642{margin-bottom: 0px !important;}”]<\/p>\n

On-Demand Made Simple<\/h2>\n
    \n
  1. Outline your requirement<\/strong>
    \nShare your specific measurement challenge, timeline, and objectives with our team.<\/li>\n
  2. Receive expert advice<\/strong>
    \nOur experts evaluate the best approach and provide recommendations tailored to your situation.<\/li>\n
  3. Proposal and planning<\/strong>
    \nYou receive a clear project plan including timeline and costs.<\/li>\n
  4. Implementation and reporting<\/strong>
    \nAfter execution, you receive a comprehensive report directly usable in audits and improvement programmes.<\/li>\n<\/ol>\n

    [\/vc_column_text][\/vc_column][\/vc_row][\/vc_section][vc_section el_class=”dg-padding-mid”][vc_row][vc_column el_class=”full_width_responsive dg-padding-none”][vc_column_text css=”.vc_custom_1767970801192{margin-bottom: 0px !important;}”]<\/p>\n

    Benefits of PT On-Demand<\/h2>\n

    \u2713 Flexible Scheduling
    \n\u2713 Fully Customized
    \n\u2713 Rapid Evaluation
    \n\u2713 Accreditation Support
    \n\u2713 Targeted Solutions[\/vc_column_text][\/vc_column][\/vc_row][\/vc_section][vc_section full_width=”stretch_row” el_class=”dg-padding-mid” css=”.vc_custom_1764855794698{background-color: #F7F7F7 !important;}”][vc_row equal_height=”yes” content_placement=”top”][vc_column el_class=”full_width_responsive dg-padding-none”][vc_column_text css=””]<\/p>\n

    Ready to get started?<\/h2>\n

    Our experts are here to help you design the perfect PT solution.<\/p>\n

    [\/vc_column_text][vc_btn title=”vsl@vsl.nl” style=”flat” shape=”square” align=”left” i_align=”right” i_icon_fontawesome=”fa fa-regular fa-envelope” css=”.vc_custom_1767970838373{margin-bottom: 0px !important;}” add_icon=”true” link=”url:mailto%3Avsl%40vsl.nl|title:Contact” el_class=”dg-button–blue”][\/vc_column][\/vc_row][\/vc_section]<\/p>\n<\/div>","protected":false},"excerpt":{"rendered":"

    Proficiency Testing On Demand Customised, flexible proficiency testing tailored to your lab Proficiency Testing On Demand Sometimes your laboratory requires something highly specific that standard PT rounds don\u2019t fully address. With PT On-Demand, VSL works with you to create a customised proficiency test tailored to your laboratory\u2019s scope, objectives, and timing. Whether you need rapid…<\/p>\n","protected":false},"author":2,"featured_media":0,"parent":29380,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"_acf_changed":false,"inline_featured_image":false,"footnotes":"","_links_to":"","_links_to_target":""},"categories":[],"tags":[],"class_list":["post-28557","page","type-page","status-publish","hentry","description-off"],"acf":[],"yoast_head":"\nProficiency Testing On Demand - VSL<\/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.vsl.nl\/en\/services\/proficiency-testing\/proficiency-testing-on-demand\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Proficiency Testing On Demand - VSL\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.vsl.nl\/en\/services\/proficiency-testing\/proficiency-testing-on-demand\/\" \/>\n<meta property=\"og:site_name\" content=\"VSL\" \/>\n<meta property=\"article:modified_time\" content=\"2026-05-15T08:59:10+00:00\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"Est. reading time\" \/>\n\t<meta name=\"twitter:data1\" content=\"2 minutes\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"WebPage\",\"@id\":\"https:\/\/www.vsl.nl\/en\/services\/proficiency-testing\/proficiency-testing-on-demand\/\",\"url\":\"https:\/\/www.vsl.nl\/en\/services\/proficiency-testing\/proficiency-testing-on-demand\/\",\"name\":\"Proficiency Testing On Demand - 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