{"id":6393,"date":"2025-08-01T00:56:47","date_gmt":"2025-07-31T22:56:47","guid":{"rendered":"https:\/\/www.darrera.com\/?post_type=product&#038;p=6393"},"modified":"2025-08-04T12:24:48","modified_gmt":"2025-08-04T10:24:48","slug":"3s-is-irradiance-sensor","status":"publish","type":"product","link":"https:\/\/www.darrera.com\/en\/product\/3s-is-irradiance-sensor\/","title":{"rendered":"Irradiance Sensor"},"content":{"rendered":"<h3>Precision reference cell for IEC 61724-1 compliance<\/h3>\n<p>The irradiance sensor, also known as a reference cell, is an essential component for monitoring the performance of solar energy systems. It is designed to be mounted on the same plane as the photovoltaic (PV) modules to measure actual solar irradiance and compare it with the energy output of the modules. The instrument complies with IEC 61724-1 requirements for Class A photovoltaic monitoring systems.<\/p>\n<h3>Technical specifications<\/h3>\n<h4>Sensor specifications<\/h4>\n<ul>\n<li>Range: 0 to 1,600 W\/m2<\/li>\n<li>Resolution: 0.1 W\/m2<\/li>\n<li>Accuracy: \u00b12%<\/li>\n<li>Response time: 1 s (max.)<\/li>\n<li>Drift: 0.3% per year (max.)<\/li>\n<\/ul>\n<h4>Electrical specifications<\/h4>\n<ul>\n<li>Power supply voltage: 12 to 30 VDC<\/li>\n<li>Power consumption: 30 mA (max.)<\/li>\n<li>Output signal: 4 to 20 mA, 0 to 1.5 VDC or RS-485<\/li>\n<\/ul>\n<h4>Mechanical specifications<\/h4>\n<ul>\n<li>Working temperature: -40\u00baC to 85\u00baC<\/li>\n<li>Material: aluminium<\/li>\n<li>Dimensions: 140 x 110 x 42 mm<\/li>\n<li>Weight: 0.3 Kg<\/li>\n<\/ul>\n","protected":false},"excerpt":{"rendered":"<p>It is mounted on the same plane as the photovoltaic (PV) modules to measure actual solar irradiance and evaluate the performance of solar energy systems. It complies with IEC 61724-1 requirements for Class A photovoltaic monitoring systems.<\/p>\n","protected":false},"featured_media":6397,"template":"","meta":[],"product_brand":[],"product_cat":[378],"product_tag":[],"class_list":{"0":"post-6393","1":"product","2":"type-product","3":"status-publish","4":"has-post-thumbnail","6":"product_cat-irradiance-sensors","8":"first","9":"instock","10":"taxable","11":"shipping-taxable","12":"product-type-simple"},"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.3 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Irradiance Sensor | Darrera<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.darrera.com\/en\/product\/3s-is-irradiance-sensor\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Irradiance Sensor | Darrera\" \/>\n<meta property=\"og:description\" content=\"It is mounted on the same plane as the photovoltaic (PV) modules to measure actual solar irradiance and evaluate the performance of solar energy systems. 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