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<oembed><version>1.0</version><provider_name>Zeta Alarms</provider_name><provider_url>https://www.zetaalarmsystems.com</provider_url><author_name>Grant</author_name><author_url>https://www.zetaalarmsystems.com/author/wassell/</author_url><title>Black MKII Addressable Combined Optical Smoke &amp; Heat (A1R) Detector - Zeta Alarms</title><type>rich</type><width>600</width><height>338</height><html>&lt;blockquote class="wp-embedded-content" data-secret="VtGp0cAKjA"&gt;&lt;a href="https://www.zetaalarmsystems.com/product/black-mkii-addressable-combined-optical-smoke-heat-a1r-detector/"&gt;Black MKII Addressable Combined Optical Smoke &amp; Heat (A1R) Detector&lt;/a&gt;&lt;/blockquote&gt;&lt;iframe sandbox="allow-scripts" security="restricted" src="https://www.zetaalarmsystems.com/product/black-mkii-addressable-combined-optical-smoke-heat-a1r-detector/embed/#?secret=VtGp0cAKjA" width="600" height="338" title="&#x201C;Black MKII Addressable Combined Optical Smoke &amp; Heat (A1R) Detector&#x201D; &#x2014; Zeta Alarms" data-secret="VtGp0cAKjA" frameborder="0" marginwidth="0" marginheight="0" scrolling="no" class="wp-embedded-content"&gt;&lt;/iframe&gt;&lt;script&gt;
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</html><thumbnail_url>https://www.zetaalarmsystems.com/wp-content/uploads/2024/04/MKII-AOHB.png</thumbnail_url><thumbnail_width>1405</thumbnail_width><thumbnail_height>1405</thumbnail_height><description>The Fyreye Black MKII Addressable Combined Optical Smoke &amp; Heat (A1R) detector (MKII-AOH/B) uses a pulsing IR LED &amp; photodiode to detect IR scatter caused by smoke entering the chamber. The detector is particularly suitable for detecting optically dense smoke, involving materials such as soft furnishings, PVC, plastic, foam and all similar materials which produce [&hellip;]</description></oembed>
