{"id":9228,"date":"2024-07-17T05:38:22","date_gmt":"2024-07-17T05:38:22","guid":{"rendered":"https:\/\/eko-instruments.com\/in\/product\/str-21g-sun-tracker-2\/"},"modified":"2026-02-09T13:33:23","modified_gmt":"2026-02-09T13:33:23","slug":"str-21g-sun-tracker","status":"publish","type":"product","link":"https:\/\/eko-instruments.com\/in\/product\/str-21g-sun-tracker\/","title":{"rendered":"STR-21G Sun Tracker"},"content":{"rendered":"<p>With an integrated GPS receiver, 4-quadrant precision sun sensor, and Harmonic Drive\u00ae technology, the STR-21G Sun Tracker is built to deliver unparalleled precision, optimal positioning, and reliability, whatever the weather.<\/p>\n<p>Easy to set up, the STR-21G automatically adjusts to the sun\u2019s position, even if the tracker is not perfectly oriented or levelled, and can support a range of Global, Diffuse and Direct Radiation measurement sensors for custom configurations.<\/p>\n<p>The single configurable arm of the STR-21G can mount the MS-57 Class A Pyrheliometer for DNI readings and the optional MD-81-10 shading disk assembly, shielding any top-mounted pyranometer for diffuse solar radiation measurements. For over 20 years, clients who have deployed STR sun-trackers have enjoyed easy set-up, smooth operation, and reliable tracking.<\/p>\n<p>&nbsp;<\/p>\n<p><strong>Key Features:<\/strong><\/p>\n<ul class=\"f-list product-features-list\">\n<li>All-Weather Tracking with Integrated GPS Receiver &amp; 4-Quadrant Sun Sensor<\/li>\n<li>Low Power Consumption<\/li>\n<li>Quick, Easy, Fully Automated Setup<\/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 single-arm, 2-axis sun tracker with an easy, fully automated setup procedure and low power consumption, the STR-21G is built to deliver unparalleled precision, optimal positioning, and reliability, whatever the weather.<\/p>\n","protected":false},"featured_media":7682,"comment_status":"open","ping_status":"closed","template":"","meta":{"content-type":""},"product_cat":[198],"product_tag":[],"class_list":{"0":"post-9228","1":"product","2":"type-product","3":"status-publish","4":"has-post-thumbnail","6":"product_cat-sun-trackers","7":"product_type_cat-instruments","8":"product_application_cat-solar-energy","9":"product_application_cat-meteorology","10":"product_application_cat-irradiance-measurement","11":"product_application_cat-cloud-monitoring","13":"first","14":"instock","15":"shipping-taxable","16":"purchasable","17":"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 Sun Tracker \u2013 Dual-Axis Precision| EKO Instruments<\/title>\n<meta name=\"description\" content=\"STR\u201121G dual-axis sun tracker for optimal solar sensor positioning. 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