{"id":9220,"date":"2024-07-17T05:40:17","date_gmt":"2024-07-17T05:40:17","guid":{"rendered":"https:\/\/eko-instruments.com\/us\/product\/str-21g-s0-2\/"},"modified":"2025-07-18T15:18:55","modified_gmt":"2025-07-18T15:18:55","slug":"str-21g-s0","status":"publish","type":"product","link":"https:\/\/eko-instruments.com\/us\/product\/str-21g-s0\/","title":{"rendered":"STR-21G-SH0"},"content":{"rendered":"<p>The STR-21G-SH0 is a turnkey sensor system designed to perform the most accurate solar radiation measurements of direct solar radiation. Compatible with almost all DAQ systems, with multiple analog and digital inputs, the STR-21G-SH0 is equipped with an internal sun-position sensor and GPS receiver for quick and easy set-up. Based on the STR-21G Sun Tracker, in combination with the Class A MS-57SH Pyrheliometer, the STR-21G-SH0 system can be freely configured to measure the required solar radiation components in the most accurate way. The MS-57SH has a heated front window to avoid condensation and ice, which can affect the measurements, ensuring uninterrupted accuracy, whatever the weather.<\/p>\n<p>&nbsp;<\/p>\n<p><strong>Key Features:<\/strong><\/p>\n<ul class=\"f-list product-features-list\">\n<li>Integrated sun-position sensor and GPS for quick, easy and accurate setup<\/li>\n<li>Efficient, Cost-Saving, Low Power Consumption<\/li>\n<li>Easy Integration with any DAQ system<\/li>\n<li>Harmonic Drive\u00ae mechanical gear system, for maximum positioning accuracy<\/li>\n<li>Deployed in Antarctica, proven in extreme climates worldwide<\/li>\n<\/ul>\n","protected":false},"excerpt":{"rendered":"<p>A turnkey solar monitoring station designed for high-precision solar radiation measurement, delivering industry-leading accuracy, reliability and value for solar energy research, monitoring, and meteorological applications.<\/p>\n","protected":false},"featured_media":7679,"comment_status":"open","ping_status":"closed","template":"","meta":{"content-type":""},"product_cat":[200],"product_tag":[],"class_list":{"0":"post-9220","1":"product","2":"type-product","3":"status-publish","4":"has-post-thumbnail","6":"product_cat-solar-monitoring-stations","7":"product_parameters-dni-direct-normal-irradiance","8":"product_parameters-dhi-diffuse-horizontal-irradiance","9":"product_type_cat-systems","10":"product_application_cat-irradiance-measurement","12":"first","13":"instock","14":"shipping-taxable","15":"purchasable","16":"product-type-simple"},"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v26.8 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>STR\u201121G\u2011S0 \u2013 Base Model Sun Tracker | EKO Instruments<\/title>\n<meta name=\"description\" content=\"Cost-effective STR\u201121G\u2011S0 sun tracker for standard irradiance measurements. Dual-axis, easy-to-integrate system for meteorological and solar testing.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/eko-instruments.com\/us\/wp-json\/wp\/v2\/product\/9220\" \/>\n<meta name=\"twitter:label1\" content=\"Est. reading time\" \/>\n\t<meta name=\"twitter:data1\" content=\"1 minute\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"WebPage\",\"@id\":\"https:\/\/eko-instruments.com\/us\/product\/str-21g-s0\/\",\"url\":\"https:\/\/eko-instruments.com\/us\/product\/str-21g-s0\/\",\"name\":\"STR\u201121G\u2011S0 \u2013 Base Model Sun Tracker | EKO Instruments\",\"isPartOf\":{\"@id\":\"https:\/\/eko-instruments.com\/us\/#website\"},\"primaryImageOfPage\":{\"@id\":\"https:\/\/eko-instruments.com\/us\/product\/str-21g-s0\/#primaryimage\"},\"image\":{\"@id\":\"https:\/\/eko-instruments.com\/us\/product\/str-21g-s0\/#primaryimage\"},\"thumbnailUrl\":\"https:\/\/eko-instruments.com\/us\/wp-content\/uploads\/sites\/15\/2024\/12\/STR-21G-SH0-1.png\",\"datePublished\":\"2024-07-17T05:40:17+00:00\",\"dateModified\":\"2025-07-18T15:18:55+00:00\",\"description\":\"Cost-effective STR\u201121G\u2011S0 sun tracker for standard irradiance measurements. Dual-axis, easy-to-integrate system for meteorological and solar testing.\",\"breadcrumb\":{\"@id\":\"https:\/\/eko-instruments.com\/us\/product\/str-21g-s0\/#breadcrumb\"},\"inLanguage\":\"en-US\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\/\/eko-instruments.com\/us\/product\/str-21g-s0\/\"]}]},{\"@type\":\"ImageObject\",\"inLanguage\":\"en-US\",\"@id\":\"https:\/\/eko-instruments.com\/us\/product\/str-21g-s0\/#primaryimage\",\"url\":\"https:\/\/eko-instruments.com\/us\/wp-content\/uploads\/sites\/15\/2024\/12\/STR-21G-SH0-1.png\",\"contentUrl\":\"https:\/\/eko-instruments.com\/us\/wp-content\/uploads\/sites\/15\/2024\/12\/STR-21G-SH0-1.png\",\"width\":1000,\"height\":1000,\"caption\":\"EKO STR-21G-SH0 Sun Tracker with pyrheliometer for precise direct normal irradiance (DNI) measurement in solar monitoring applications\"},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\/\/eko-instruments.com\/us\/product\/str-21g-s0\/#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Home\",\"item\":\"https:\/\/eko-instruments.com\/us\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"Products\",\"item\":\"https:\/\/eko-instruments.com\/us\/products\/\"},{\"@type\":\"ListItem\",\"position\":3,\"name\":\"STR-21G-SH0\"}]},{\"@type\":\"WebSite\",\"@id\":\"https:\/\/eko-instruments.com\/us\/#website\",\"url\":\"https:\/\/eko-instruments.com\/us\/\",\"name\":\"EKO Instruments USA\",\"description\":\"Solar Measurements\",\"publisher\":{\"@id\":\"https:\/\/eko-instruments.com\/us\/#organization\"},\"potentialAction\":[{\"@type\":\"SearchAction\",\"target\":{\"@type\":\"EntryPoint\",\"urlTemplate\":\"https:\/\/eko-instruments.com\/us\/?s={search_term_string}\"},\"query-input\":{\"@type\":\"PropertyValueSpecification\",\"valueRequired\":true,\"valueName\":\"search_term_string\"}}],\"inLanguage\":\"en-US\"},{\"@type\":\"Organization\",\"@id\":\"https:\/\/eko-instruments.com\/us\/#organization\",\"name\":\"EKO Instruments USA\",\"url\":\"https:\/\/eko-instruments.com\/us\/\",\"logo\":{\"@type\":\"ImageObject\",\"inLanguage\":\"en-US\",\"@id\":\"https:\/\/eko-instruments.com\/us\/#\/schema\/logo\/image\/\",\"url\":\"https:\/\/eko-instruments.com\/us\/wp-content\/uploads\/sites\/15\/2024\/05\/04.-CMYK-Primary-Logo-Tagline-Horizontal-SVG-Blue-1.svg\",\"contentUrl\":\"https:\/\/eko-instruments.com\/us\/wp-content\/uploads\/sites\/15\/2024\/05\/04.-CMYK-Primary-Logo-Tagline-Horizontal-SVG-Blue-1.svg\",\"width\":202,\"height\":42,\"caption\":\"EKO Instruments USA\"},\"image\":{\"@id\":\"https:\/\/eko-instruments.com\/us\/#\/schema\/logo\/image\/\"},\"sameAs\":[\"https:\/\/www.facebook.com\/ekoinstruments\/\",\"https:\/\/x.com\/EKO_emPower\"]}]}<\/script>\n<!-- \/ Yoast SEO plugin. -->","yoast_head_json":{"title":"STR\u201121G\u2011S0 \u2013 Base Model Sun Tracker | EKO Instruments","description":"Cost-effective STR\u201121G\u2011S0 sun tracker for standard irradiance measurements. Dual-axis, easy-to-integrate system for meteorological and solar testing.","robots":{"index":"index","follow":"follow","max-snippet":"max-snippet:-1","max-image-preview":"max-image-preview:large","max-video-preview":"max-video-preview:-1"},"canonical":"https:\/\/eko-instruments.com\/us\/wp-json\/wp\/v2\/product\/9220","twitter_misc":{"Est. reading time":"1 minute"},"schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"WebPage","@id":"https:\/\/eko-instruments.com\/us\/product\/str-21g-s0\/","url":"https:\/\/eko-instruments.com\/us\/product\/str-21g-s0\/","name":"STR\u201121G\u2011S0 \u2013 Base Model Sun Tracker | EKO Instruments","isPartOf":{"@id":"https:\/\/eko-instruments.com\/us\/#website"},"primaryImageOfPage":{"@id":"https:\/\/eko-instruments.com\/us\/product\/str-21g-s0\/#primaryimage"},"image":{"@id":"https:\/\/eko-instruments.com\/us\/product\/str-21g-s0\/#primaryimage"},"thumbnailUrl":"https:\/\/eko-instruments.com\/us\/wp-content\/uploads\/sites\/15\/2024\/12\/STR-21G-SH0-1.png","datePublished":"2024-07-17T05:40:17+00:00","dateModified":"2025-07-18T15:18:55+00:00","description":"Cost-effective STR\u201121G\u2011S0 sun tracker for standard irradiance measurements. Dual-axis, easy-to-integrate system for meteorological and solar testing.","breadcrumb":{"@id":"https:\/\/eko-instruments.com\/us\/product\/str-21g-s0\/#breadcrumb"},"inLanguage":"en-US","potentialAction":[{"@type":"ReadAction","target":["https:\/\/eko-instruments.com\/us\/product\/str-21g-s0\/"]}]},{"@type":"ImageObject","inLanguage":"en-US","@id":"https:\/\/eko-instruments.com\/us\/product\/str-21g-s0\/#primaryimage","url":"https:\/\/eko-instruments.com\/us\/wp-content\/uploads\/sites\/15\/2024\/12\/STR-21G-SH0-1.png","contentUrl":"https:\/\/eko-instruments.com\/us\/wp-content\/uploads\/sites\/15\/2024\/12\/STR-21G-SH0-1.png","width":1000,"height":1000,"caption":"EKO STR-21G-SH0 Sun Tracker with pyrheliometer for precise direct normal irradiance (DNI) measurement in solar monitoring applications"},{"@type":"BreadcrumbList","@id":"https:\/\/eko-instruments.com\/us\/product\/str-21g-s0\/#breadcrumb","itemListElement":[{"@type":"ListItem","position":1,"name":"Home","item":"https:\/\/eko-instruments.com\/us\/"},{"@type":"ListItem","position":2,"name":"Products","item":"https:\/\/eko-instruments.com\/us\/products\/"},{"@type":"ListItem","position":3,"name":"STR-21G-SH0"}]},{"@type":"WebSite","@id":"https:\/\/eko-instruments.com\/us\/#website","url":"https:\/\/eko-instruments.com\/us\/","name":"EKO Instruments USA","description":"Solar Measurements","publisher":{"@id":"https:\/\/eko-instruments.com\/us\/#organization"},"potentialAction":[{"@type":"SearchAction","target":{"@type":"EntryPoint","urlTemplate":"https:\/\/eko-instruments.com\/us\/?s={search_term_string}"},"query-input":{"@type":"PropertyValueSpecification","valueRequired":true,"valueName":"search_term_string"}}],"inLanguage":"en-US"},{"@type":"Organization","@id":"https:\/\/eko-instruments.com\/us\/#organization","name":"EKO Instruments USA","url":"https:\/\/eko-instruments.com\/us\/","logo":{"@type":"ImageObject","inLanguage":"en-US","@id":"https:\/\/eko-instruments.com\/us\/#\/schema\/logo\/image\/","url":"https:\/\/eko-instruments.com\/us\/wp-content\/uploads\/sites\/15\/2024\/05\/04.-CMYK-Primary-Logo-Tagline-Horizontal-SVG-Blue-1.svg","contentUrl":"https:\/\/eko-instruments.com\/us\/wp-content\/uploads\/sites\/15\/2024\/05\/04.-CMYK-Primary-Logo-Tagline-Horizontal-SVG-Blue-1.svg","width":202,"height":42,"caption":"EKO Instruments USA"},"image":{"@id":"https:\/\/eko-instruments.com\/us\/#\/schema\/logo\/image\/"},"sameAs":["https:\/\/www.facebook.com\/ekoinstruments\/","https:\/\/x.com\/EKO_emPower"]}]}},"_links":{"self":[{"href":"https:\/\/eko-instruments.com\/us\/wp-json\/wp\/v2\/product\/9220","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/eko-instruments.com\/us\/wp-json\/wp\/v2\/product"}],"about":[{"href":"https:\/\/eko-instruments.com\/us\/wp-json\/wp\/v2\/types\/product"}],"replies":[{"embeddable":true,"href":"https:\/\/eko-instruments.com\/us\/wp-json\/wp\/v2\/comments?post=9220"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/eko-instruments.com\/us\/wp-json\/wp\/v2\/media\/7679"}],"wp:attachment":[{"href":"https:\/\/eko-instruments.com\/us\/wp-json\/wp\/v2\/media?parent=9220"}],"wp:term":[{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/eko-instruments.com\/us\/wp-json\/wp\/v2\/product_cat?post=9220"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/eko-instruments.com\/us\/wp-json\/wp\/v2\/product_tag?post=9220"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}