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Available in 24 languages" > <label id="p-lang-btn-label" for="p-lang-btn-checkbox" class="vector-dropdown-label cdx-button cdx-button--fake-button cdx-button--fake-button--enabled cdx-button--weight-quiet cdx-button--action-progressive mw-portlet-lang-heading-24" aria-hidden="true" ><span class="vector-icon mw-ui-icon-language-progressive mw-ui-icon-wikimedia-language-progressive"></span> <span class="vector-dropdown-label-text">24 languages</span> </label> <div class="vector-dropdown-content"> <div class="vector-menu-content"> <ul class="vector-menu-content-list"> <li class="interlanguage-link interwiki-ar mw-list-item"><a href="https://ar.wikipedia.org/wiki/%D9%85%D9%82%D9%8A%D8%A7%D8%B3_%D8%A7%D9%84%D8%B4%D8%B9_%D8%A7%D9%84%D9%85%D8%A8%D8%A7%D8%B4%D8%B1" title="مقياس الشع المباشر – Arabic" lang="ar" hreflang="ar" data-title="مقياس الشع المباشر" data-language-autonym="العربية" data-language-local-name="Arabic" class="interlanguage-link-target"><span>العربية</span></a></li><li class="interlanguage-link interwiki-ca mw-list-item"><a href="https://ca.wikipedia.org/wiki/Pirheli%C3%B2metre" title="Pirheliòmetre – Catalan" lang="ca" hreflang="ca" data-title="Pirheliòmetre" data-language-autonym="Català" data-language-local-name="Catalan" class="interlanguage-link-target"><span>Català</span></a></li><li class="interlanguage-link interwiki-cs mw-list-item"><a href="https://cs.wikipedia.org/wiki/Pyrheliometr" title="Pyrheliometr – Czech" lang="cs" hreflang="cs" data-title="Pyrheliometr" data-language-autonym="Čeština" data-language-local-name="Czech" class="interlanguage-link-target"><span>Čeština</span></a></li><li class="interlanguage-link interwiki-da mw-list-item"><a href="https://da.wikipedia.org/wiki/Pyrheliometer" title="Pyrheliometer – Danish" lang="da" hreflang="da" data-title="Pyrheliometer" data-language-autonym="Dansk" data-language-local-name="Danish" class="interlanguage-link-target"><span>Dansk</span></a></li><li class="interlanguage-link interwiki-de mw-list-item"><a href="https://de.wikipedia.org/wiki/Pyrheliometer" title="Pyrheliometer – German" lang="de" hreflang="de" data-title="Pyrheliometer" data-language-autonym="Deutsch" data-language-local-name="German" class="interlanguage-link-target"><span>Deutsch</span></a></li><li class="interlanguage-link interwiki-es mw-list-item"><a href="https://es.wikipedia.org/wiki/Pirheli%C3%B3metro" title="Pirheliómetro – Spanish" lang="es" hreflang="es" data-title="Pirheliómetro" data-language-autonym="Español" data-language-local-name="Spanish" class="interlanguage-link-target"><span>Español</span></a></li><li class="interlanguage-link interwiki-fa mw-list-item"><a href="https://fa.wikipedia.org/wiki/%D9%BE%DB%8C%D8%B1%D9%87%D9%84%DB%8C%D9%88%D9%85%D8%AA%D8%B1" title="پیرهلیومتر – Persian" lang="fa" hreflang="fa" data-title="پیرهلیومتر" data-language-autonym="فارسی" data-language-local-name="Persian" class="interlanguage-link-target"><span>فارسی</span></a></li><li class="interlanguage-link interwiki-fr mw-list-item"><a href="https://fr.wikipedia.org/wiki/Pyrh%C3%A9liom%C3%A8tre" title="Pyrhéliomètre – French" lang="fr" hreflang="fr" data-title="Pyrhéliomètre" data-language-autonym="Français" data-language-local-name="French" class="interlanguage-link-target"><span>Français</span></a></li><li class="interlanguage-link interwiki-hr mw-list-item"><a href="https://hr.wikipedia.org/wiki/Pirheliometar" title="Pirheliometar – Croatian" lang="hr" hreflang="hr" data-title="Pirheliometar" data-language-autonym="Hrvatski" data-language-local-name="Croatian" class="interlanguage-link-target"><span>Hrvatski</span></a></li><li class="interlanguage-link interwiki-id mw-list-item"><a href="https://id.wikipedia.org/wiki/Pirheliometer" title="Pirheliometer – Indonesian" lang="id" hreflang="id" data-title="Pirheliometer" data-language-autonym="Bahasa Indonesia" data-language-local-name="Indonesian" class="interlanguage-link-target"><span>Bahasa Indonesia</span></a></li><li class="interlanguage-link interwiki-it mw-list-item"><a href="https://it.wikipedia.org/wiki/Pireliometro" title="Pireliometro – Italian" lang="it" hreflang="it" data-title="Pireliometro" data-language-autonym="Italiano" data-language-local-name="Italian" class="interlanguage-link-target"><span>Italiano</span></a></li><li class="interlanguage-link interwiki-kk mw-list-item"><a href="https://kk.wikipedia.org/wiki/%D0%9F%D0%B8%D1%80%D0%B8%D0%B3%D0%B5%D0%BB%D0%BD%D0%BE%D0%BC%D0%B5%D1%82%D1%80" title="Пиригелнометр – Kazakh" lang="kk" hreflang="kk" data-title="Пиригелнометр" data-language-autonym="Қазақша" data-language-local-name="Kazakh" class="interlanguage-link-target"><span>Қазақша</span></a></li><li class="interlanguage-link interwiki-ky mw-list-item"><a href="https://ky.wikipedia.org/wiki/%D0%9F%D0%B8%D1%80%D0%B3%D0%B5%D0%BB%D0%B8%D0%BE%D0%BC%D0%B5%D1%82%D1%80" title="Пиргелиометр – Kyrgyz" lang="ky" hreflang="ky" data-title="Пиргелиометр" data-language-autonym="Кыргызча" data-language-local-name="Kyrgyz" class="interlanguage-link-target"><span>Кыргызча</span></a></li><li class="interlanguage-link interwiki-lmo mw-list-item"><a href="https://lmo.wikipedia.org/wiki/Pireliometro" title="Pireliometro – Lombard" lang="lmo" hreflang="lmo" data-title="Pireliometro" data-language-autonym="Lombard" data-language-local-name="Lombard" class="interlanguage-link-target"><span>Lombard</span></a></li><li class="interlanguage-link interwiki-nl mw-list-item"><a href="https://nl.wikipedia.org/wiki/Pyrheliometer" title="Pyrheliometer – Dutch" lang="nl" hreflang="nl" data-title="Pyrheliometer" data-language-autonym="Nederlands" data-language-local-name="Dutch" class="interlanguage-link-target"><span>Nederlands</span></a></li><li class="interlanguage-link interwiki-ja mw-list-item"><a href="https://ja.wikipedia.org/wiki/%E7%9B%B4%E9%81%94%E6%97%A5%E5%B0%84%E8%A8%88" title="直達日射計 – Japanese" lang="ja" hreflang="ja" data-title="直達日射計" data-language-autonym="日本語" data-language-local-name="Japanese" class="interlanguage-link-target"><span>日本語</span></a></li><li class="interlanguage-link interwiki-pl mw-list-item"><a href="https://pl.wikipedia.org/wiki/Pyrheliometr" title="Pyrheliometr – Polish" lang="pl" hreflang="pl" data-title="Pyrheliometr" data-language-autonym="Polski" data-language-local-name="Polish" class="interlanguage-link-target"><span>Polski</span></a></li><li class="interlanguage-link interwiki-pt mw-list-item"><a href="https://pt.wikipedia.org/wiki/Pireli%C3%B4metro" title="Pireliômetro – Portuguese" lang="pt" hreflang="pt" data-title="Pireliômetro" data-language-autonym="Português" data-language-local-name="Portuguese" class="interlanguage-link-target"><span>Português</span></a></li><li class="interlanguage-link interwiki-ru mw-list-item"><a href="https://ru.wikipedia.org/wiki/%D0%9F%D0%B8%D1%80%D0%B3%D0%B5%D0%BB%D0%B8%D0%BE%D0%BC%D0%B5%D1%82%D1%80" title="Пиргелиометр – Russian" lang="ru" hreflang="ru" data-title="Пиргелиометр" data-language-autonym="Русский" data-language-local-name="Russian" class="interlanguage-link-target"><span>Русский</span></a></li><li class="interlanguage-link interwiki-sh mw-list-item"><a href="https://sh.wikipedia.org/wiki/Pirheliometar" title="Pirheliometar – Serbo-Croatian" lang="sh" hreflang="sh" data-title="Pirheliometar" data-language-autonym="Srpskohrvatski / српскохрватски" data-language-local-name="Serbo-Croatian" class="interlanguage-link-target"><span>Srpskohrvatski / српскохрватски</span></a></li><li class="interlanguage-link interwiki-sv mw-list-item"><a href="https://sv.wikipedia.org/wiki/Pyrheliometer" title="Pyrheliometer – Swedish" lang="sv" hreflang="sv" data-title="Pyrheliometer" data-language-autonym="Svenska" data-language-local-name="Swedish" class="interlanguage-link-target"><span>Svenska</span></a></li><li class="interlanguage-link interwiki-ta mw-list-item"><a href="https://ta.wikipedia.org/wiki/%E0%AE%95%E0%AE%A4%E0%AE%BF%E0%AE%B0%E0%AE%B5_%E0%AE%85%E0%AE%A9%E0%AE%B2%E0%AF%8D%E0%AE%AE%E0%AE%BE%E0%AE%A9%E0%AE%BF" title="கதிரவ அனல்மானி – Tamil" lang="ta" hreflang="ta" data-title="கதிரவ அனல்மானி" data-language-autonym="தமிழ்" data-language-local-name="Tamil" class="interlanguage-link-target"><span>தமிழ்</span></a></li><li class="interlanguage-link interwiki-uk mw-list-item"><a href="https://uk.wikipedia.org/wiki/%D0%9F%D1%96%D1%80%D0%B3%D0%B5%D0%BB%D1%96%D0%BE%D0%BC%D0%B5%D1%82%D1%80" title="Піргеліометр – Ukrainian" lang="uk" hreflang="uk" data-title="Піргеліометр" data-language-autonym="Українська" data-language-local-name="Ukrainian" class="interlanguage-link-target"><span>Українська</span></a></li><li class="interlanguage-link interwiki-zh mw-list-item"><a href="https://zh.wikipedia.org/wiki/%E7%9B%B4%E5%B0%84%E5%A4%AA%E9%99%BD%E8%BC%BB%E5%B0%84%E8%A8%88" title="直射太陽輻射計 – Chinese" lang="zh" hreflang="zh" data-title="直射太陽輻射計" 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id="siteSub" class="noprint">From Wikipedia, the free encyclopedia</div> </div> <div id="contentSub"><div id="mw-content-subtitle"></div></div> <div id="mw-content-text" class="mw-body-content"><div class="mw-content-ltr mw-parser-output" lang="en" dir="ltr"><div class="shortdescription nomobile noexcerpt noprint searchaux" style="display:none">Instrument for measuring direct-beam solar irradiance</div> <figure class="mw-default-size" typeof="mw:File/Thumb"><a href="/wiki/File:MS-57_Pyrheliometer.jpg" class="mw-file-description"><img alt="ISO 9060:2018 Class A Pyrheliometer" src="//upload.wikimedia.org/wikipedia/commons/thumb/c/cd/MS-57_Pyrheliometer.jpg/220px-MS-57_Pyrheliometer.jpg" decoding="async" width="220" height="138" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/c/cd/MS-57_Pyrheliometer.jpg/330px-MS-57_Pyrheliometer.jpg 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/c/cd/MS-57_Pyrheliometer.jpg/440px-MS-57_Pyrheliometer.jpg 2x" data-file-width="3565" data-file-height="2237" /></a><figcaption>ISO 9060:2018 Class A, fast response & spectrally flat, pyrheliometer</figcaption></figure> <figure class="mw-default-size" typeof="mw:File/Thumb"><a href="/wiki/File:1913_Balloon_Borne_Pyrheliometer.jpg" class="mw-file-description"><img src="//upload.wikimedia.org/wikipedia/commons/thumb/3/32/1913_Balloon_Borne_Pyrheliometer.jpg/220px-1913_Balloon_Borne_Pyrheliometer.jpg" decoding="async" width="220" height="160" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/3/32/1913_Balloon_Borne_Pyrheliometer.jpg/330px-1913_Balloon_Borne_Pyrheliometer.jpg 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/3/32/1913_Balloon_Borne_Pyrheliometer.jpg/440px-1913_Balloon_Borne_Pyrheliometer.jpg 2x" data-file-width="5026" data-file-height="3648" /></a><figcaption>1913 Balloon Borne Pyrheliometer</figcaption></figure> <figure class="mw-default-size" typeof="mw:File/Thumb"><a href="/wiki/File:DR01_pyrheliometer_1.jpg" class="mw-file-description"><img src="//upload.wikimedia.org/wikipedia/commons/thumb/5/5b/DR01_pyrheliometer_1.jpg/220px-DR01_pyrheliometer_1.jpg" decoding="async" width="220" height="220" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/5/5b/DR01_pyrheliometer_1.jpg/330px-DR01_pyrheliometer_1.jpg 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/5/5b/DR01_pyrheliometer_1.jpg/440px-DR01_pyrheliometer_1.jpg 2x" data-file-width="945" data-file-height="945" /></a><figcaption>Typical pyrheliometer, for measurement of direct solar radiation</figcaption></figure> <figure class="mw-default-size" typeof="mw:File/Thumb"><a href="/wiki/File:DR01_pyrheliometer_linedrawing.pdf" class="mw-file-description"><img src="//upload.wikimedia.org/wikipedia/commons/thumb/8/8a/DR01_pyrheliometer_linedrawing.pdf/page1-220px-DR01_pyrheliometer_linedrawing.pdf.jpg" decoding="async" width="220" height="220" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/8/8a/DR01_pyrheliometer_linedrawing.pdf/page1-330px-DR01_pyrheliometer_linedrawing.pdf.jpg 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/8/8a/DR01_pyrheliometer_linedrawing.pdf/page1-440px-DR01_pyrheliometer_linedrawing.pdf.jpg 2x" data-file-width="943" data-file-height="943" /></a><figcaption>Pyrheliometer: (3) body, (4) protection cap, (5) window with heater, (2) sight, (1) humidity indicator, (7) cable</figcaption></figure> <p>A <b>pyrheliometer</b> is an instrument that can measure direct beam <a href="/wiki/Solar_irradiance" title="Solar irradiance">solar irradiance</a>.<sup id="cite_ref-1" class="reference"><a href="#cite_note-1"><span class="cite-bracket">[</span>1<span class="cite-bracket">]</span></a></sup> Sunlight enters the instrument through a window and is directed onto a <a href="/wiki/Thermopile" title="Thermopile">thermopile</a> which converts heat to an electrical signal that can be recorded. The signal voltage is converted via a formula to measure watts per square metre. </p> <meta property="mw:PageProp/toc" /> <div class="mw-heading mw-heading2"><h2 id="Standards">Standards</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Pyrheliometer&action=edit&section=1" title="Edit section: Standards"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <p>Pyrheliometer measurement specifications are subject to <a href="/wiki/International_Organization_for_Standardization" title="International Organization for Standardization">International Organization for Standardization</a> (ISO) and <a href="/wiki/World_Meteorological_Organization" title="World Meteorological Organization">World Meteorological Organization</a> (WMO) standards. Comparisons between pyrheliometers for intercalibration are carried out regularly to measure the amount of solar energy received. The aim of the International Pyrheliometer Comparisons,<sup id="cite_ref-2" class="reference"><a href="#cite_note-2"><span class="cite-bracket">[</span>2<span class="cite-bracket">]</span></a></sup> which take place every 5 years at the World Radiation Centre<sup id="cite_ref-3" class="reference"><a href="#cite_note-3"><span class="cite-bracket">[</span>3<span class="cite-bracket">]</span></a></sup> in <a href="/wiki/Davos" title="Davos">Davos</a>, is to ensure the world-wide transfer of the World Radiometric Reference. During this event, all participants bring their instruments, solar-tracking and data acquisition systems to Davos to conduct simultaneous solar radiation measurements with the World Standard Group.<sup id="cite_ref-4" class="reference"><a href="#cite_note-4"><span class="cite-bracket">[</span>4<span class="cite-bracket">]</span></a></sup> </p> <div class="mw-heading mw-heading2"><h2 id="Applications">Applications</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Pyrheliometer&action=edit&section=2" title="Edit section: Applications"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <p>Typical pyrheliometer measurement applications include scientific meteorological and climate observations, material testing research, and assessment of the efficiency of <a href="/wiki/Solar_thermal_collector" title="Solar thermal collector">solar collectors</a> and <a href="/wiki/Photovoltaics" title="Photovoltaics">photovoltaic devices</a>. </p> <div class="mw-heading mw-heading2"><h2 id="Usage">Usage</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Pyrheliometer&action=edit&section=3" title="Edit section: Usage"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <p>Pyrheliometers are typically mounted on a <a href="/wiki/Solar_tracker" title="Solar tracker">solar tracker</a>. As the pyrheliometer only 'sees' the solar disk, it needs to be placed on a device that follows the path of the sun. </p> <div class="mw-heading mw-heading2"><h2 id="See_also">See also</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Pyrheliometer&action=edit&section=4" title="Edit section: See also"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <ul><li><a href="/wiki/Actinometer" title="Actinometer">Actinometer</a></li> <li><a href="/wiki/Active_cavity_radiometer" title="Active cavity radiometer">Active cavity radiometer</a></li> <li><a href="/wiki/Bolometer" title="Bolometer">Bolometer</a></li> <li><a href="/wiki/Pyrometer" title="Pyrometer">Pyrometer</a></li> <li><a href="/wiki/Solar_constant" title="Solar constant">Solar constant</a></li></ul> <div class="mw-heading mw-heading2"><h2 id="References">References</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Pyrheliometer&action=edit&section=5" title="Edit section: References"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <style data-mw-deduplicate="TemplateStyles:r1239543626">.mw-parser-output .reflist{margin-bottom:0.5em;list-style-type:decimal}@media screen{.mw-parser-output .reflist{font-size:90%}}.mw-parser-output .reflist .references{font-size:100%;margin-bottom:0;list-style-type:inherit}.mw-parser-output .reflist-columns-2{column-width:30em}.mw-parser-output .reflist-columns-3{column-width:25em}.mw-parser-output .reflist-columns{margin-top:0.3em}.mw-parser-output .reflist-columns ol{margin-top:0}.mw-parser-output .reflist-columns li{page-break-inside:avoid;break-inside:avoid-column}.mw-parser-output .reflist-upper-alpha{list-style-type:upper-alpha}.mw-parser-output .reflist-upper-roman{list-style-type:upper-roman}.mw-parser-output .reflist-lower-alpha{list-style-type:lower-alpha}.mw-parser-output .reflist-lower-greek{list-style-type:lower-greek}.mw-parser-output .reflist-lower-roman{list-style-type:lower-roman}</style><div class="reflist"> <div class="mw-references-wrap"><ol class="references"> <li id="cite_note-1"><span class="mw-cite-backlink"><b><a href="#cite_ref-1">^</a></b></span> <span class="reference-text"><style data-mw-deduplicate="TemplateStyles:r1238218222">.mw-parser-output cite.citation{font-style:inherit;word-wrap:break-word}.mw-parser-output .citation q{quotes:"\"""\"""'""'"}.mw-parser-output .citation:target{background-color:rgba(0,127,255,0.133)}.mw-parser-output .id-lock-free.id-lock-free a{background:url("//upload.wikimedia.org/wikipedia/commons/6/65/Lock-green.svg")right 0.1em center/9px no-repeat}.mw-parser-output .id-lock-limited.id-lock-limited a,.mw-parser-output .id-lock-registration.id-lock-registration a{background:url("//upload.wikimedia.org/wikipedia/commons/d/d6/Lock-gray-alt-2.svg")right 0.1em center/9px no-repeat}.mw-parser-output .id-lock-subscription.id-lock-subscription a{background:url("//upload.wikimedia.org/wikipedia/commons/a/aa/Lock-red-alt-2.svg")right 0.1em center/9px no-repeat}.mw-parser-output .cs1-ws-icon a{background:url("//upload.wikimedia.org/wikipedia/commons/4/4c/Wikisource-logo.svg")right 0.1em center/12px no-repeat}body:not(.skin-timeless):not(.skin-minerva) .mw-parser-output .id-lock-free a,body:not(.skin-timeless):not(.skin-minerva) .mw-parser-output .id-lock-limited a,body:not(.skin-timeless):not(.skin-minerva) .mw-parser-output .id-lock-registration a,body:not(.skin-timeless):not(.skin-minerva) .mw-parser-output .id-lock-subscription a,body:not(.skin-timeless):not(.skin-minerva) .mw-parser-output .cs1-ws-icon a{background-size:contain;padding:0 1em 0 0}.mw-parser-output .cs1-code{color:inherit;background:inherit;border:none;padding:inherit}.mw-parser-output .cs1-hidden-error{display:none;color:var(--color-error,#d33)}.mw-parser-output .cs1-visible-error{color:var(--color-error,#d33)}.mw-parser-output .cs1-maint{display:none;color:#085;margin-left:0.3em}.mw-parser-output .cs1-kern-left{padding-left:0.2em}.mw-parser-output .cs1-kern-right{padding-right:0.2em}.mw-parser-output .citation .mw-selflink{font-weight:inherit}@media screen{.mw-parser-output .cs1-format{font-size:95%}html.skin-theme-clientpref-night .mw-parser-output .cs1-maint{color:#18911f}}@media screen and (prefers-color-scheme:dark){html.skin-theme-clientpref-os .mw-parser-output .cs1-maint{color:#18911f}}</style><cite class="citation web cs1"><a rel="nofollow" class="external text" href="https://web.archive.org/web/20090412235813/http://www.kippzonen.com/?productgroup%2F881%2FPyrheliometers.aspx">"Pyrheliometer"</a>. <i>kippzonen.com</i>. Archived from <a rel="nofollow" class="external text" href="https://www.kippzonen.com/ProductGroup/8/Pyrheliometers">the original</a> on April 12, 2009.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.genre=unknown&rft.jtitle=kippzonen.com&rft.atitle=Pyrheliometer&rft_id=https%3A%2F%2Fwww.kippzonen.com%2FProductGroup%2F8%2FPyrheliometers&rfr_id=info%3Asid%2Fen.wikipedia.org%3APyrheliometer" class="Z3988"></span></span> </li> <li id="cite_note-2"><span class="mw-cite-backlink"><b><a href="#cite_ref-2">^</a></b></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite class="citation web cs1"><a rel="nofollow" class="external text" href="https://web.archive.org/web/20100416034810/http://www.pmodwrc.ch/pmod.php?topic=ipc_menu">"welcome to pmodwrc"</a>. April 16, 2010. Archived from <a rel="nofollow" class="external text" href="http://www.pmodwrc.ch/pmod.php?topic=ipc_menu">the original</a> on 2010-04-16.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.genre=unknown&rft.btitle=welcome+to+pmodwrc&rft.date=2010-04-16&rft_id=http%3A%2F%2Fwww.pmodwrc.ch%2Fpmod.php%3Ftopic%3Dipc_menu&rfr_id=info%3Asid%2Fen.wikipedia.org%3APyrheliometer" class="Z3988"></span></span> </li> <li id="cite_note-3"><span class="mw-cite-backlink"><b><a href="#cite_ref-3">^</a></b></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite class="citation web cs1"><a rel="nofollow" class="external text" href="https://web.archive.org/web/20070702010053/http://www.pmodwrc.ch/pmod.php?topic=world_radiation_center">"welcome to pmodwrc"</a>. July 2, 2007. Archived from <a rel="nofollow" class="external text" href="http://www.pmodwrc.ch/pmod.php?topic=world_radiation_center">the original</a> on 2007-07-02.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.genre=unknown&rft.btitle=welcome+to+pmodwrc&rft.date=2007-07-02&rft_id=http%3A%2F%2Fwww.pmodwrc.ch%2Fpmod.php%3Ftopic%3Dworld_radiation_center&rfr_id=info%3Asid%2Fen.wikipedia.org%3APyrheliometer" class="Z3988"></span></span> </li> <li id="cite_note-4"><span class="mw-cite-backlink"><b><a href="#cite_ref-4">^</a></b></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite class="citation web cs1"><a rel="nofollow" class="external text" href="https://www.pmodwrc.ch/">"Startseite"</a>. <i>PMOD/WRC</i>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.genre=unknown&rft.jtitle=PMOD%2FWRC&rft.atitle=Startseite&rft_id=https%3A%2F%2Fwww.pmodwrc.ch%2F&rfr_id=info%3Asid%2Fen.wikipedia.org%3APyrheliometer" class="Z3988"></span></span> </li> </ol></div></div> <div class="mw-heading mw-heading2"><h2 id="External_links">External links</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Pyrheliometer&action=edit&section=6" title="Edit section: External links"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <ul><li><span class="noviewer" typeof="mw:File"><a href="/wiki/File:Commons-logo.svg" class="mw-file-description"><img alt="" src="//upload.wikimedia.org/wikipedia/en/thumb/4/4a/Commons-logo.svg/12px-Commons-logo.svg.png" decoding="async" width="12" height="16" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/en/thumb/4/4a/Commons-logo.svg/18px-Commons-logo.svg.png 1.5x, //upload.wikimedia.org/wikipedia/en/thumb/4/4a/Commons-logo.svg/24px-Commons-logo.svg.png 2x" data-file-width="1024" data-file-height="1376" /></a></span> Media related to <a href="https://commons.wikimedia.org/wiki/Pyrheliometer" class="extiw" title="commons:Pyrheliometer">Pyrheliometer</a> at Wikimedia Commons</li></ul>    </div><noscript><img src="https://login.wikimedia.org/wiki/Special:CentralAutoLogin/start?type=1x1" alt="" width="1" height="1" style="border: none; position: absolute;"></noscript> <div class="printfooter" data-nosnippet="">Retrieved from "<a dir="ltr" href="https://en.wikipedia.org/w/index.php?title=Pyrheliometer&oldid=1223867498">https://en.wikipedia.org/w/index.php?title=Pyrheliometer&oldid=1223867498</a>"</div></div> <div id="catlinks" class="catlinks" data-mw="interface"><div id="mw-normal-catlinks" class="mw-normal-catlinks"><a href="/wiki/Help:Category" title="Help:Category">Categories</a>: <ul><li><a href="/wiki/Category:Measuring_instruments" title="Category:Measuring instruments">Measuring instruments</a></li><li><a href="/wiki/Category:Radiometry" title="Category:Radiometry">Radiometry</a></li><li><a href="/wiki/Category:Meteorological_instrumentation_and_equipment" title="Category:Meteorological instrumentation and equipment">Meteorological instrumentation and equipment</a></li></ul></div><div id="mw-hidden-catlinks" class="mw-hidden-catlinks mw-hidden-cats-hidden">Hidden categories: <ul><li><a href="/wiki/Category:Articles_with_short_description" title="Category:Articles with short description">Articles with short description</a></li><li><a href="/wiki/Category:Short_description_is_different_from_Wikidata" title="Category:Short description is different from Wikidata">Short description is different from Wikidata</a></li><li><a href="/wiki/Category:Commons_link_from_Wikidata" title="Category:Commons link from Wikidata">Commons link from Wikidata</a></li></ul></div></div> </div> </main> </div> <div class="mw-footer-container"> <footer id="footer" class="mw-footer" > <ul id="footer-info"> <li id="footer-info-lastmod"> This page was last edited on 14 May 2024, at 21:11<span class="anonymous-show"> (UTC)</span>.</li> <li id="footer-info-copyright">Text is available under the <a href="/wiki/Wikipedia:Text_of_the_Creative_Commons_Attribution-ShareAlike_4.0_International_License" title="Wikipedia:Text of the Creative Commons Attribution-ShareAlike 4.0 International License">Creative Commons Attribution-ShareAlike 4.0 License</a>; additional terms may apply. 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