{"id":45598,"date":"2025-06-30T01:13:02","date_gmt":"2025-06-29T15:43:02","guid":{"rendered":"https:\/\/onetemp.c2szky.ap-southeast-2.wpstaqhosting.com\/product\/li-cor-li-191r-line-quantum-sensor\/"},"modified":"2026-10-30T13:38:11","modified_gmt":"2026-10-30T03:08:11","slug":"li-cor-li-191r-line-quantum-sensor","status":"publish","type":"product","link":"https:\/\/www.onetemp.com.au\/nz\/product\/li-cor-li-191r-line-quantum-sensor\/","title":{"rendered":"LI-COR LI-191R &#8211; Line Quantum Sensor"},"content":{"rendered":"<p>Used to measure sunlight under a plant canopy where the light field is non-uniform, the LI-191R Line Quantum Sensor measures PAR with a single detector integrating measurements over its 1-meter length. The LI-191R makes it easy to measure under-canopy light in many plots quickly and consistently. It measures light in units of Photosynthetic Photon Flux Density (PPFD), which is expressed as \u03bcmol s-1 m-2.<\/p>\n<h2>Why choose the LI-191R PAR Light Sensor?<\/h2>\n<ul style=\"list-style-type: disc;\">\n<li>Improved water resistance for long-term outdoor deployment<\/li>\n<li>Integrated measurements using a single detector prevents variance found in sensors that use multiple detectors<\/li>\n<li>Selected by the National Ecological Observatory Network (NEON\u00ae) for integrated PAR measurements<\/li>\n<li>Compatible with the HOBOnet Analog Mote that transmits data automatically to cellular RX stations and LI-COR Cloud remote monitoring platform.<\/li>\n<\/ul>\n<p>&nbsp;<\/p>","protected":false},"excerpt":{"rendered":"<p>The LI-191R Line Quantum Sensor integrates below-canopy photosynthetically active radiation measurements over a 1-meter length in units of Photosynthetic Photon Flux Density (PPFD). Millivolt output.<\/p>\n<h4 class=\"product-important-information-title\">Important Information<\/h4>\n<div class=\"clearfix text-formatted field field--name-field-important-information field--type-text-long field--label-hidden field__item field__item__odd field__item__first field__item__last\" tabindex=\"0\">\n<p>This sensor requires a Millivolt adapter and HOBOnet Analog Mote for connection to the RX3000 remote monitoring station.<\/p>\n<\/div>","protected":false},"featured_media":34285,"template":"","meta":{"_acf_changed":false,"om_disable_all_campaigns":false,"inline_featured_image":false,"_exactmetrics_skip_tracking":false,"_monsterinsights_skip_tracking":false},"product_brand":[],"product_cat":[15],"product_tag":[],"application":[514],"connectivity-output":[],"environment":[87],"instrument-type":[213],"manufacturer":[371],"measurement-input":[130],"class_list":["post-45598","product","type-product","status-publish","has-post-thumbnail","product_cat-products","application-greenhouse-cea","environment-outdoor-monitoring","instrument-type-sensors","manufacturer-li-cor","measurement-input-light-par","first","instock","taxable","shipping-taxable","product-type-grouped"],"composite_virtual":false,"composite_aggregate_weight":false,"composite_layout":"","composite_add_to_cart_form_location":"","composite_editable_in_cart":false,"composite_sold_individually_context":"","composite_shop_price_calc":"","composite_components":[],"composite_scenarios":[],"bundled_by":[],"bundle_stock_status":"instock","bundle_stock_quantity":null,"bundle_virtual":false,"bundle_layout":"","bundle_add_to_cart_form_location":"","bundle_editable_in_cart":false,"bundle_sold_individually_context":"","bundle_item_grouping":"","bundle_min_size":"","bundle_max_size":"","bundle_price":[],"bundled_items":[],"bundle_sell_ids":[],"bundle_sells_title":"","bundle_sells_discount":"","acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.8 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>LI-COR LI-191R - Line Quantum Sensor - OneTemp<\/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.onetemp.com.au\/nz\/product\/li-cor-li-191r-line-quantum-sensor\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"LI-COR LI-191R - Line Quantum Sensor - OneTemp\" \/>\n<meta property=\"og:description\" content=\"The LI-191R Line Quantum Sensor integrates below-canopy photosynthetically active radiation measurements over a 1-meter length in units of Photosynthetic Photon Flux Density (PPFD). Millivolt output. Important Information   This sensor requires a Millivolt adapter and HOBOnet Analog Mote for connection to the RX3000 remote monitoring station.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.onetemp.com.au\/nz\/product\/li-cor-li-191r-line-quantum-sensor\/\" \/>\n<meta property=\"og:site_name\" content=\"OneTemp\" \/>\n<meta property=\"article:publisher\" content=\"https:\/\/www.facebook.com\/OneTempAust\/\" \/>\n<meta property=\"article:modified_time\" content=\"2026-10-30T03:08:11+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/www.onetemp.com.au\/wp-content\/uploads\/2026\/10\/LI-191R-PAR-Light-Sensor-.png\" \/>\n\t<meta property=\"og:image:width\" content=\"1200\" \/>\n\t<meta property=\"og:image:height\" content=\"675\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/png\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"Est. reading time\" \/>\n\t<meta name=\"twitter:data1\" content=\"3 minutes\" \/>\n<!-- \/ Yoast SEO plugin. -->","yoast_head_json":{"title":"LI-COR LI-191R - Line Quantum Sensor - OneTemp","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:\/\/www.onetemp.com.au\/nz\/product\/li-cor-li-191r-line-quantum-sensor\/","og_locale":"en_US","og_type":"article","og_title":"LI-COR LI-191R - Line Quantum Sensor - OneTemp","og_description":"The LI-191R Line Quantum Sensor integrates below-canopy photosynthetically active radiation measurements over a 1-meter length in units of Photosynthetic Photon Flux Density (PPFD). 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