{"id":6535,"date":"2025-12-11T23:43:56","date_gmt":"2025-12-11T22:43:56","guid":{"rendered":"https:\/\/www.darrera.com\/?post_type=product&#038;p=6535"},"modified":"2026-03-24T11:21:12","modified_gmt":"2026-03-24T10:21:12","slug":"mx2502-hobo-mx-underwater-par","status":"publish","type":"product","link":"https:\/\/www.darrera.com\/en\/product\/mx2502-hobo-mx-underwater-par\/","title":{"rendered":"HOBO\u00ae MX Underwater PAR"},"content":{"rendered":"<h3>High accuracy PAR sensor with cosine correction<\/h3>\n<p>HOBO\u00ae MX Underwater PAR records the photosynthetically active radiation, temperature and tilt for both underwater and above water applications. It is specially designed for ecosystem research, protection and restoration studies. It features Bluetooth\u00ae connectivity for easy instrument configuration and data download via the HOBOconnect\u00ae app for iOS and Android devices.<\/p>\n<p>The instrument presents a rugged and reliable housing and a factory-replaceable battery, providing years of continuous operation in harsh aquatic environments.<\/p>\n<h3>Technical specifications<\/h3>\n<h4>Datalogger specifications<\/h4>\n<ul>\n<li>Capacity: 195,000 records<\/li>\n<\/ul>\n<h4>Sensor specifications<\/h4>\n<p>PAR<\/p>\n<ul>\n<li>Spectral response: 400 to 700 nm<\/li>\n<li>Range: 0 to 3,000 umol\/m2\/sec<\/li>\n<li>Resolution: 0.16 umol\/m2\/sec<\/li>\n<li>Accuracy: \u00b15%<\/li>\n<\/ul>\n<p>Temperature<\/p>\n<ul>\n<li>Range: -20\u00baC to 50\u00baC<\/li>\n<li>Resolution: 0.1\u00baC<\/li>\n<li>Accuracy: \u00b10.2\u00baC<\/li>\n<\/ul>\n<p>Tilt<\/p>\n<ul>\n<li>Range: 0\u00ba to 180\u00ba<\/li>\n<li>Resolution: 1\u00ba<\/li>\n<li>Accuracy: \u00b15\u00ba<\/li>\n<\/ul>\n<h4>Electrical specifications<\/h4>\n<ul>\n<li>Battery life: 6 years (approx.)<\/li>\n<li>Output signal: Bluetooth\u00ae<\/li>\n<\/ul>\n<h4>Mechanical specifications<\/h4>\n<ul>\n<li>Working temperature: -20\u00baC to 50\u00baC<\/li>\n<li>Depth: 30 m (max.)<\/li>\n<li>Material: high strength plastic<\/li>\n<li>Dimensions: \u2205 43.1 x 182.6 mm<\/li>\n<li>Weight: 274 g<\/li>\n<\/ul>\n","protected":false},"excerpt":{"rendered":"<p>It records the photosynthetically active radiation, temperature and tilt. It features Bluetooth\u00ae connectivity for easy instrument configuration and data download.<\/p>\n","protected":false},"featured_media":6536,"template":"","meta":[],"product_brand":[],"product_cat":[260],"product_tag":[],"class_list":{"0":"post-6535","1":"product","2":"type-product","3":"status-publish","4":"has-post-thumbnail","6":"product_cat-water-quality-loggers-onset-computer","8":"first","9":"instock","10":"taxable","11":"shipping-taxable","12":"purchasable","13":"product-type-simple"},"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.4 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>HOBO\u00ae MX Underwater PAR | 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\/mx2502-hobo-mx-underwater-par\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"HOBO\u00ae MX Underwater PAR | Darrera\" \/>\n<meta property=\"og:description\" content=\"It records the photosynthetically active radiation, temperature and tilt. 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