{"id":9223,"date":"2024-07-17T05:39:11","date_gmt":"2024-07-17T05:39:11","guid":{"rendered":"https:\/\/eko-instruments.com\/us\/product\/ms-57-pyrheliometer-2\/"},"modified":"2025-07-15T09:42:12","modified_gmt":"2025-07-15T09:42:12","slug":"ms-57-pyrheliometer-2","status":"publish","type":"product","link":"https:\/\/eko-instruments.com\/us\/product\/ms-57-pyrheliometer-2\/","title":{"rendered":"MS-57 Pyrheliometer"},"content":{"rendered":"<p>Ultra-fast and incredibly accurate, with competition-beating long-term stability and exceptional reliability; the ISO 9060:2018 Class A MS-57 Pyrheliometer is a unique, second-to-none, direct normal incidence (DNI) solar irradiance sensor fully traceable to the World Radiometric Reference.<\/p>\n<p>Designed for solar energy research, monitoring, and meteorological applications and built to weather extreme conditions, the MS-57 features an operating temperature range from -40 to +80\u00b0C and comes with an integrated low power heater to prevent dew and frost deposition on the outside window.<\/p>\n<p>Made in Japan, our design and commitment to quality ensure that the MS-57 is best in class, and for every application.<\/p>\n<p>&nbsp;<\/p>\n<p><strong>Key Features:<\/strong><\/p>\n<p>&nbsp;<\/p>\n<ul class=\"f-list product-features-list\">\n<li>ISO 9060:2018 Class A, Spectrally Flat &amp; Fast Response<\/li>\n<li>&lt;0.2s Ultra-fast response for always accurate measurements<\/li>\n<li>Unique &lt;0.5% non-stability change of 5-years<\/li>\n<li>Operating temperature range from -40 to +80\u00b0C<\/li>\n<li>Integrated anti-frost &amp; dew window heater<\/li>\n<li>Efficient, low power consumption<\/li>\n<li>5 Year Warranty &amp; Recommended Recalibration Interval<\/li>\n<\/ul>\n","protected":false},"excerpt":{"rendered":"<p>Ultra-fast and incredibly accurate, the Class A MS-57 is a unique DNI sensor fully traceable to the World Radiometric Reference with competition-beating long-term stability and exceptional reliability.<\/p>\n","protected":false},"featured_media":8025,"comment_status":"open","ping_status":"closed","template":"","meta":{"content-type":""},"product_cat":[212],"product_tag":[],"class_list":{"0":"post-9223","1":"product","2":"type-product","3":"status-publish","4":"has-post-thumbnail","6":"product_cat-pyrheliometers","7":"product_parameters-dni-direct-normal-irradiance","8":"product_type_cat-instruments","10":"first","11":"instock","12":"shipping-taxable","13":"purchasable","14":"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>MS-57 Pyrheliometer \u2013 High Accuracy DNI Sensor | EKO Instruments<\/title>\n<meta name=\"description\" content=\"The MS-57 provides long-term stable DNI measurements. 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