<body><main xmlns:jcm-link-man="http://jorsek.com/content-management/modules/linkmanagement" role="main"><article role="article" id="g-wheatstone-bridge" aria-labelledby="ariaid-title1">
  <h1 class="title glossterm topictitle1" id="ariaid-title1">Wheatstone bridge</h1>
  
  
  <div class="body conbody glossBody"><div class="abstract glossdef">An electrical circuit used in the Pellistor sensor to compare electrical resistance between the sensor’s two beads.</div></div>
</article></main></body>

Zeroing

location-beacon/product-documentation/blackline-safety-glossary/gas-detection/acute-toxicity

Gas Detection

Volume per volume (%v/v)

Wheatstone bridge

location-beacon/product-documentation/blackline-safety-glossary/gas-detection/wheatstone-bridge

product-documentation/blackline-safety-glossary/gas-detection/wheatstone-bridge

<body><main xmlns:jcm-link-man="http://jorsek.com/content-management/modules/linkmanagement" role="main"><article role="article" id="topic-8515" aria-labelledby="ariaid-title1"><h1 class="title topictitle1 hide-footer-title" id="ariaid-title1">Footer Section</h1><div class="body footer-container"><p class="shortdesc"></p><section class="section footer-item footer-links"><h2 class="title sectiontitle" id="1-0">1</h2>
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</section><section class="section footer-item footer-links"><h2 class="title sectiontitle" id="2-0">2</h2>
            
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            </div>
        </section><section class="section footer-item footer-tertiary-links"> <a class="xref j-external-link" href="https://www.blacklinesafety.com/legal" target="_blank">Legal</a> <a class="xref j-external-link" href="https://www.blacklinesafety.com/legal" target="_blank">Privacy Policy</a> <a class="xref j-external-link" href="https://support.blacklinesafety.com/hubfs/website/investor/governance-documents/Blackline%20Safety%20Modern%20Slavery%20Policy.pdf?hsLang=en" target="_blank">Modern Slavery Policy (UK)</a>
            <div class="div footer-copyright-text">Copyright ©2026 Blackline Safety Corp. All Rights Reserved.</div>
        </section></div></article></main></body>

Footer Section

Usage

High Gas Events

Alerts

Shelly Linke <slinke@blacklinesafety.com>

Technical Support

<body><main xmlns:jcm-link-man="http://jorsek.com/content-management/modules/linkmanagement" role="main"><article role="article" id="id" aria-labelledby="ariaid-title1"><h1 class="title topictitle1" id="ariaid-title1">Updated Essential Email Reports</h1><div class="body conbody"><p class="shortdesc">Three email Blackline Analytics Essentials reports are being updated to help you get more out of your data.</p><p class="p"><span class="ph b">Updated August 27, 2025.</span></p><p class="p">We are excited to announce that we are updating our three
            Essential email reports:</p><ul class="ul"><li class="li"><p class="p"><a class="xref" href="#usage">Usage report</a></p></li><li class="li"><p class="p"><a class="xref" href="#high_gas_events">High gas events report</a></p></li><li class="li"><p class="p"><a class="xref" href="#alerts">Alerts report</a></p></li></ul><p class="p">We are transitioning the email reports to a new format,
            offering a refreshed, consistent design across all three reports.
            The updated reports will start rolling out by September 1, 2025,
            and will take place in phases over several
            weeks.</p><p class="p">As part of this change, the reports are now being sent
            from a new email address: <a class="xref j-external-link" href="mailto:blacklinereporting@blacklinesafety.com" target="_blank">blacklinereporting@blacklinesafety.com</a>.
            To avoid any disruption, please ask your IT team to add this
            address to your organization's trusted senders
            list.</p></div><article class="topic concept nested1" id="usage" aria-labelledby="ariaid-title2"><h2 class="title topictitle2" id="ariaid-title2">Usage</h2><div class="body conbody"><p class="p">We are updating the names of each page in the Usage report
            to more clearly describe the data they contain, making it easier to
            find and understand the insights you need. The updated page names
            are:</p><ul class="ul"><li class="li"><p class="p">Device With No Usage in the Reporting Period</p></li><li class="li"><p class="p">Device Usage by Device ID</p></li><li class="li"><p class="p">Device Usage by Average Daily Usage Hours</p></li><li class="li"><p class="p">Device Usage by Total Usage</p></li></ul><p class="p">We are adding new insights to the first page of the report
            to provide you with a high-level summary and key metrics from the
            report. The new insights are: total usage, average daily use, and
            devices not used insights. The devices used insight is also being
            updated to now compare the number of devices used to the total
            number of devices.</p><img class="image" src="https://3026957.fs1.hubspotusercontent-na1.net/hubfs/3026957/Support%20Article%20Images/Blackline%20Analytics/First%20page%20of%20Usage%20report%20-%20Comparison.png" width="600"><br><p class="p">Data
            bars are now displayed consistently in the Days Used, Average Daily
            Usage Hours, and Total Usage Hours columns on the last three pages
            of the report to help you better visualize and compare the
            data.</p><img class="image" src="https://3026957.fs1.hubspotusercontent-na1.net/hubfs/3026957/Support%20Article%20Images/Blackline%20Analytics/Device%20Usage%20by%20Device%20ID%20Page.png" width="600"><br><p class="p">Lastly,
            we are adding the report name and date range to the bottom of each
            page of the report. This makes it easier to understand what report
            a page belongs to — and the date range it
            covers — when pages are shared
            individually.</p></div></article><article class="topic concept nested1" id="high_gas_events" aria-labelledby="ariaid-title3"><h2 class="title topictitle2" id="ariaid-title3">High Gas Events</h2><div class="body conbody"><p class="p">The High Gas Exposures report is being renamed to the High
            Gas Events report. In addition, color is being applied to the High
            Gas Events by Type chart to help you differentiate the
            events.</p><img class="image" src="https://3026957.fs1.hubspotusercontent-na1.net/hubfs/3026957/Support%20Article%20Images/Blackline%20Analytics/High%20Gas%20Events%20by%20Type%20Chart.png" width="400"><br><p class="p">The
            report name and date range are also being added to the bottom of
            each page of the report.</p><section class="section"><h3 class="title sectiontitle" id="high-gas-events-by-user-page-0">High Gas Events by User Page</h3><p class="p">The conditional formatting color is being updated in the
            Total column to improve readability, help you quickly identify key
            values, and spot patterns.</p><p class="p"><img class="image" src="https://3026957.fs1.hubspotusercontent-na1.net/hubfs/3026957/Support%20Article%20Images/Blackline%20Analytics/High%20Gas%20Events%20by%20User%20Page.png" width="600"><br></p></section><section class="section"><h3 class="title sectiontitle" id="high-gas-event-details-page-0">High Gas Event Details Page</h3><p class="p">The table columns are being reordered to show sensor
            reading details earlier in the table, making it easier to quickly
            interpret the key details and understand the nature of each
            event.</p><p class="p"><img class="image" src="https://3026957.fs1.hubspotusercontent-na1.net/hubfs/3026957/Support%20Article%20Images/Blackline%20Analytics/High%20Gas%20Event%20Details%20Page.png" width="600"><br></p></section></div></article><article class="topic concept nested1" id="alerts" aria-labelledby="ariaid-title4"><h2 class="title topictitle2" id="ariaid-title4">Alerts</h2><div class="body conbody"><p class="p">We are adding a new Users with Alerts insight on the first
            page of the Alerts report, which compares the number of users with
            alerts to the total number of users. This insight gives you a
            clearer picture of how many users are affected, helping you gauge
            whether the number of alerts is broadly impacting your team or
            limited to a few individuals.</p><img class="image" src="https://3026957.fs1.hubspotusercontent-na1.net/hubfs/3026957/Support%20Article%20Images/Blackline%20Analytics/First%20page%20of%20Alerts%20report%20-%20Comparison.png" width="600"><br><p class="p">The
            Number of Alerts by Type chart and the Alert Resolutions chart are
            being moved to the first page of the report.</p><img class="image" src="https://3026957.fs1.hubspotusercontent-na1.net/hubfs/3026957/Support%20Article%20Images/Blackline%20Analytics/Number%20or%20Alerts%20by%20Type%20and%20Alert%20Resolution%20Charts.png" width="600"><br><p class="p">The
            report name and date range are also being added to the bottom of
            each page of the report.</p><section class="section"><h3 class="title sectiontitle" id="alerts-by-user-page-0">Alerts by User Page</h3><p class="p">Conditional formatting color is being added to the Total
            column to improve readability, help you quickly identify key
            values, and spot patterns.</p><p class="p"><img class="image" src="https://3026957.fs1.hubspotusercontent-na1.net/hubfs/3026957/Support%20Article%20Images/Blackline%20Analytics/Alerts%20by%20Users%20Page.png" width="600"><br></p></section><section class="section"><h3 class="title sectiontitle" id="alert-response-times-page-0">Alert Response Times Page</h3><p class="p">We are adding median times to each chart on the Alert
            Response Times page, giving you a clearer picture of typical
            response performance.</p><p class="p"><img class="image" src="https://3026957.fs1.hubspotusercontent-na1.net/hubfs/3026957/Support%20Article%20Images/Blackline%20Analytics/Alert%20Response%20Times%20Charts.png" width="600"><br></p></section><section class="section"><h3 class="title sectiontitle" id="alert-details-page-0">Alert Details Page</h3><p class="p">The Alert Duration chart is being updated to a line chart,
            which uses dots to indicate the point in time when the stage
            changed. Each dot color used in the chart corresponds with an alert
            stage in the Alert Stage table.</p><p class="p">The Total row is being removed from the table and the Time
            Elapsed column now displays a running total of the alert
            duration.</p><p class="p"><img class="image" src="https://3026957.fs1.hubspotusercontent-na1.net/hubfs/3026957/Support%20Article%20Images/Blackline%20Analytics/Alert%20Duration%20page.png" width="600"><br></p></section></div></article><article class="topic concept nested1" id="concept-1500" aria-labelledby="ariaid-title5" lang="en-us"><h2 class="title topictitle2" id="ariaid-title5">Technical Support</h2><div class="body conbody"><p class="shortdesc">Contact details for the Blackline Safety Technical Support team.</p><p class="p">Need help? Our Technical Support team is available 24/7 to assist you.</p><p class="p"><span class="ph b">North America </span></p><p class="p">Toll Free: 1-877-869-7212 | <a class="xref j-external-link" href="mailto:support@blacklinesafety.com" target="_blank">mailto:support@blacklinesafety.com</a></p><p class="p"><span class="ph b">United Kingdom </span></p><p class="p">+44 1787222684 | <a class="xref j-external-link" href="mailto:eusupport@blacklinesafety.com" target="_blank">mailto:eusupport@blacklinesafety.com</a></p><p class="p"><span class="ph b">International</span></p><p class="p">+1-403-451-0327 | <a class="xref j-external-link" href="mailto:support@blacklinesafety.com" target="_blank">mailto:support@blacklinesafety.com</a></p></div></article></article></main></body>

notifications/news/changes-to-replacement-cartridge-orders/changes-to-replacement-cartridge-orders

Changes to Replacement Cartridge Orders

notifications/news/updated-blackline-analyics-emailed-essentials-reports/updated-essential-email-reports

Updated Blackline Analyics Emailed Essentials Reports

Three email Blackline Analytics Essentials reports are being updated to help you get more out of your data.

Updated Essential Email Reports

<body><main xmlns:jcm-link-man="http://jorsek.com/content-management/modules/linkmanagement" role="main"><article role="article" id="id" aria-labelledby="ariaid-title1"><h1 class="title topictitle1" id="ariaid-title1">Updated Bump Test and Calibration Certificates</h1><div class="body conbody"><p class="shortdesc">Learn more about our enhanced bump test and calibration certificates, providing you with  better visibility and more actionable data in a modern, user-friendly format.</p><p class="p">We're excited to announce that we are enhancing our bump test and calibration certificates! The enhanced certificates provide better visibility and more actionable data in a modern, user-friendly format to assist you in maintaining safety and operational excellence.</p><section class="section"><h2 class="title sectiontitle" id="viewing-the-bump-test-and-calibration-certificates-0">Viewing the Bump Test and Calibration Certificates</h2>
            
            <p class="p">To view the bump test and calibration certificates, navigate to one of the following pages based on your Blackline Live domain:</p>
            <ul class="ul"><li class="li"><p class="p">North America (NA) and Rest of World (ROW): <a class="xref j-external-link" href="https://live.blacklinesafety.com/certs/" target="_blank">https://live.blacklinesafety.com/certs/</a></p></li><li class="li">
                    <p class="p">Europe (EUR): <a class="xref j-external-link" href="https://eu.live.blacklinesafety.com/certs/" target="_blank">https://eu.live.blacklinesafety.com/certs/</a></p>
                </li></ul>
        </section><section class="section"><h2 class="title sectiontitle" id="extended-certificate-availability-0">Extended Certificate Availability</h2>
            
            <p class="p">To give you more time to review, download, and archive
            certificates for record-keeping and compliance, bump test and
            calibration certificates are now available for 200 days
         from the date of the bump test or calibration.</p>
        </section><section class="section"><h2 class="title sectiontitle" id="refreshed-layout-and-expanded-certificate-data-0">Refreshed Layout And Expanded Certificate
            Data</h2>
            
            <p class="p">The formatting and visual
            layout of live certificates and
            downloadable PDF versions have been updated. Test results are
            highlighted and display at the top of the certificate to provide a
            more intuitive presentation of your key data.</p><p class="p">Several new data fields are
            added to provide a more
            comprehensive view of each test, offer deeper insights into device
            performance and testing conditions, and support better diagnostics
            and operational planning.</p><p class="p">The new data fields include:</p><ul class="ul"><li class="li"><p class="p">Device Information</p></li><li class="li"><p class="p">Sensor and Dock Configuration Settings at the time of the test</p></li><li class="li"><p class="p">Test Completion Date</p></li><li class="li"><p class="p">Certificate Expiry Date</p></li></ul><p class="p"><span class="ph b">Next Bump Test and Calibration Date
            Calculations</span></p><p class="p">The calculations used to determine the next bump test due
            and next calibration due have also been updated.</p><img class="image" src="https://3026957.fs1.hubspotusercontent-na1.net/hubfs/3026957/Support%20Article%20Images/Blackline%20Live/Next%20Bump%20Test%20Date%20and%20Next%20Calibration%20Date%20Calculation%20Table%20-%20Updated.png" width="600"><br>
        </section><section class="section"><h2 class="title sectiontitle" id="multi-language-support-0">Multi-language Support</h2>
            
            <p class="p">To ensure that users across multiple regions can access
            and understand their certificate data, certificates are now
            available in the following languages:</p><ul class="ul"><li class="li"><p class="p">English (EN)</p></li><li class="li"><p class="p">French (FR)</p></li><li class="li"><p class="p">German (DE)</p></li><li class="li"><p class="p">Dutch (NE)</p></li><li class="li"><p class="p">Spanish (ES)</p></li><li class="li"><p class="p">Portuguese – Brazil (PO-BR)</p></li><li class="li"><p class="p">Portuguese – Europe (PO)</p></li><li class="li"><p class="p">Italian (IT)</p></li><li class="li"><p class="p">Russian (RU)</p></li></ul><p class="p">You can use the Language dropdown at the top of the
            certificate to select your desired language.</p>
        </section></div><article class="topic concept nested1" id="concept-1500" aria-labelledby="ariaid-title2" lang="en-us"><h2 class="title topictitle2" id="ariaid-title2">Technical Support</h2><div class="body conbody"><p class="shortdesc">Contact details for the Blackline Safety Technical Support team.</p><p class="p">Need help? Our Technical Support team is available 24/7 to assist you.</p><p class="p"><span class="ph b">North America </span></p><p class="p">Toll Free: 1-877-869-7212 | <a class="xref j-external-link" href="mailto:support@blacklinesafety.com" target="_blank">mailto:support@blacklinesafety.com</a></p><p class="p"><span class="ph b">United Kingdom </span></p><p class="p">+44 1787222684 | <a class="xref j-external-link" href="mailto:eusupport@blacklinesafety.com" target="_blank">mailto:eusupport@blacklinesafety.com</a></p><p class="p"><span class="ph b">International</span></p><p class="p">+1-403-451-0327 | <a class="xref j-external-link" href="mailto:support@blacklinesafety.com" target="_blank">mailto:support@blacklinesafety.com</a></p></div></article></article></main></body>

notifications/news/bump-test-and-calibration-certificates/bump-test-and-calibration-certificates

Bump Test and Calibration Certificates

notifications/news/updated-bump-test-and-calibration-certificates/updated-bump-test-and-calibration-certificates

Updated Bump Test and Calibration Certificates

Learn more about our enhanced bump test and calibration certificates, providing you with  better visibility and more actionable data in a modern, user-friendly format.

<body><main xmlns:jcm-link-man="http://jorsek.com/content-management/modules/linkmanagement" role="main"><article role="article" id="topic-2621" aria-labelledby="ariaid-title1"><h1 class="title topictitle1" id="ariaid-title1">Video 1</h1><div class="body"><p class="shortdesc"></p><div class="div wistia_responsive_padding">
            <div class="div wistia_responsive_wrapper">
                <iframe class="object iframe wistia_embed allowfullscreen" controls="controls" src="https://fast.wistia.net/embed/iframe/b1hw3xpbf6?videoFoam=true" allowtransparency="true" frameborder="0" scrolling="no" allowfullscreen="true" mozallowfullscreen="true" webkitallowfullscreen="true" oallowfullscreen="true" msallowfullscreen="true" width="100%" height="100%"></iframe>
            </div>
        </div><section class="section"><h2 class="title sectiontitle" id="g7-lights-and-sounds-0">G7 Lights and Sounds</h2>
            
            <p class="p">Learn what the various lights and sounds on G7 mean and how you should respond. </p>
            <p class="p">To learn more about our products, visit: <a class="xref j-external-link" href="https://blacklinesafety.com" target="_blank">https://www.blacklinesafety.com/</a></p>
        </section></div></article></main></body>

Video 1

<body><main xmlns:jcm-link-man="http://jorsek.com/content-management/modules/linkmanagement" role="main"><article role="article" id="topic-1836" aria-labelledby="ariaid-title1"><h1 class="title topictitle1" id="ariaid-title1">Video 2</h1><div class="body"><p class="shortdesc"></p><div class="div wistia_responsive_padding">
            <div class="div wistia_responsive_wrapper">
                <iframe class="object iframe wistia_embed allowfullscreen" controls="controls" src="https://fast.wistia.net/embed/iframe/kkhiopo24m?videoFoam=true" allowtransparency="true" frameborder="0" scrolling="no" allowfullscreen="true" mozallowfullscreen="true" webkitallowfullscreen="true" oallowfullscreen="true" msallowfullscreen="true" width="100%" height="100%"></iframe>
            </div>
        </div><section class="section"><h2 class="title sectiontitle" id="manually-bump-testing-g7-0">Manually Bump Testing G7</h2>
            
            <p class="p">Learn how to manually bump test your G7 device.</p>
            <p class="p">To learn more about our products, visit: <a class="xref j-external-link" href="https://www.blacklinesafety.com" target="_blank">https://www.blacklinesafety.com/</a></p>
        </section></div></article></main></body>

Video 2

<body><main xmlns:jcm-link-man="http://jorsek.com/content-management/modules/linkmanagement" role="main"><article role="article" id="topic-9467" aria-labelledby="ariaid-title1"><h1 class="title topictitle1" id="ariaid-title1">Video 3</h1><div class="body"><p class="shortdesc"></p><div class="div wistia_responsive_padding">
            <div class="div wistia_responsive_wrapper">
                <iframe class="object iframe wistia_embed allowfullscreen" controls="controls" src="https://fast.wistia.net/embed/iframe/rdp2h3rjw3?videoFoam=true" allowtransparency="true" frameborder="0" scrolling="no" allowfullscreen="true" mozallowfullscreen="true" webkitallowfullscreen="true" oallowfullscreen="true" msallowfullscreen="true" width="100%" height="100%"></iframe>
            </div>
        </div><section class="section"><h2 class="title sectiontitle" id="sending-and-receiving-messages-on-g7-0">Sending and Receiving Messages on G7</h2>
            
            <p class="p">Learn how to send and receive messages on your G7 device.</p>
            <p class="p">To learn more about our products, visit: <a class="xref j-external-link" href="https://www.blacklinesafety.com" target="_blank">https://www.blacklinesafety.com/</a></p>
        </section></div></article></main></body>

Robyn Chauvin <rchauvin@blacklinesafety.com>

Video 3

<body><main xmlns:jcm-link-man="http://jorsek.com/content-management/modules/linkmanagement" role="main"><article role="article" id="topic-j7gaqwgb" aria-labelledby="ariaid-title1"><h1 class="title topictitle1" id="ariaid-title1">Video 4</h1><div class="body"><p class="shortdesc"></p><div class="div wistia_responsive_padding">
            <div class="div wistia_responsive_wrapper">
                <iframe class="object iframe wistia_embed allowfullscreen" controls="controls" src="https://fast.wistia.net/embed/iframe/ozwu9ltaqk?videoFoam=true" allowtransparency="true" frameborder="0" scrolling="no" allowfullscreen="true" mozallowfullscreen="true" webkitallowfullscreen="true" oallowfullscreen="true" msallowfullscreen="true" width="100%" height="100%"></iframe>
            </div>
        </div><section class="section"><h2 class="title sectiontitle" id="powering-g7-on-and-off-0">Powering G7 On and Off</h2>
            
            <p class="p">Learn how to power G7 on and off.</p>
            <p class="p">To learn more about our products, visit: <a class="xref j-external-link" href="https://www.blacklinesafety.com" target="_blank">https://www.blacklinesafety.com/</a></p>
        </section></div></article></main></body>

Video 4

<body><main xmlns:jcm-link-man="http://jorsek.com/content-management/modules/linkmanagement" role="main"><article role="article" id="id-a7rjsdl4" aria-labelledby="ariaid-title1"><h1 class="title topictitle1" id="ariaid-title1">New G8 Bulk Order Packaging Coming July 13, 2026</h1><div class="body conbody"><p class="shortdesc">Learn more about G8 bulk order packaging, coming July 2026.</p><p class="p">To serve you better while reducing our environmental footprint, on July 13, 2026, we will begin shipping G8 orders of 35 devices or more in bulk-packaging boxes rather than individual boxes. This will greatly reduce the amount of packaging you have to manage and recycle as you distribute your device fleet.</p><p class="p">Each box can hold up to 50 G8 devices. </p><p class="p"> If you require individual boxes rather than bulk packaging for an order, please contact our <a class="xref" href="#concept-1500">Technical Support</a> team. </p></div><article class="topic concept nested1" id="concept-1500" aria-labelledby="ariaid-title2" lang="en-us"><h2 class="title topictitle2" id="ariaid-title2">Technical Support</h2><div class="body conbody"><p class="shortdesc">Contact details for the Blackline Safety Technical Support team.</p><p class="p">Need help? Our Technical Support team is available 24/7 to assist you.</p><p class="p"><span class="ph b">North America </span></p><p class="p">Toll Free: 1-877-869-7212 | <a class="xref j-external-link" href="mailto:support@blacklinesafety.com" target="_blank">mailto:support@blacklinesafety.com</a></p><p class="p"><span class="ph b">United Kingdom </span></p><p class="p">+44 1787222684 | <a class="xref j-external-link" href="mailto:eusupport@blacklinesafety.com" target="_blank">mailto:eusupport@blacklinesafety.com</a></p><p class="p"><span class="ph b">International</span></p><p class="p">+1-403-451-0327 | <a class="xref j-external-link" href="mailto:support@blacklinesafety.com" target="_blank">mailto:support@blacklinesafety.com</a></p></div></article></article></main></body>

notifications/news/changes-to-the-european-return-for-evaluation-rfe-program/changes-to-the-european-return-for-evaluation-rfe-program

Changes to the European Return for Evaluation (RFE) Program

notifications/news/new-g8-bulk-order-packaging-coming-july-13-2026/new-g8-bulk-order-packaging-coming-july-13-2026

New G8 Bulk Order Packaging Coming July 13, 2026

Learn more about G8 bulk order packaging, coming July 2026.

<body><main xmlns:jcm-link-man="http://jorsek.com/content-management/modules/linkmanagement" role="main"><article role="article" id="concept-22d4gbry" aria-labelledby="ariaid-title1"><h1 class="title topictitle1" id="ariaid-title1">Changes to the European Return for Evaluation (RFE) Program</h1><div class="body conbody"><p class="shortdesc">Our European Return for Evaluation (RFE) program is changing on August 1, 2026.</p><p class="p">Effective August 1, 2026, Blackline Safety is simplifying our Europe – Return For Evaluation program for out of warranty products by introducing a fixed price schedule for hardware evaluation and repair service. </p><p class="p">This change will ensure you quickly receive all the information you need to decide how to proceed with your out-of-warranty product repairs. Every evaluation and repair includes a comprehensive review of the device.</p></div><article class="topic concept nested1" id="concept-1500" aria-labelledby="ariaid-title2" lang="en-us"><h2 class="title topictitle2" id="ariaid-title2">Technical Support</h2><div class="body conbody"><p class="shortdesc">Contact details for the Blackline Safety Technical Support team.</p><p class="p">Need help? Our Technical Support team is available 24/7 to assist you.</p><p class="p"><span class="ph b">North America </span></p><p class="p">Toll Free: 1-877-869-7212 | <a class="xref j-external-link" href="mailto:support@blacklinesafety.com" target="_blank">mailto:support@blacklinesafety.com</a></p><p class="p"><span class="ph b">United Kingdom </span></p><p class="p">+44 1787222684 | <a class="xref j-external-link" href="mailto:eusupport@blacklinesafety.com" target="_blank">mailto:eusupport@blacklinesafety.com</a></p><p class="p"><span class="ph b">International</span></p><p class="p">+1-403-451-0327 | <a class="xref j-external-link" href="mailto:support@blacklinesafety.com" target="_blank">mailto:support@blacklinesafety.com</a></p></div></article></article></main></body>

Imani Stewart <imstewart@blacklinesafety.com>Effective December 1, 2025, Blackline Safety is simplifying our Rest of World – Return For Evaluation program for out of warranty products by introducing a fixed price schedule for hardware evaluation and repair service.

notifications/news/legacy-cartridge-end-of-life-notice-and-transition-to-cartridge-f2/legacy-cartridge-end-of-life-notice-and-transition-to-cartridge-f2

Legacy Cartridge End-of-Life Notice and Transition to Cartridge F2

Our European Return for Evaluation (RFE) program is changing on August 1, 2026.

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