[{"sku":"LI-200R-BL-x","title":"LI-COR LI-200R Pyranometer, Bare Leads","subtitle":null,"variant_product_name":"Pyranometer, Bare Leads, 50 Meter Cable","unit_price":"360.00","brands":["HOBO"],"region":null,"service_plans":[],"parcel_length":"13.00","parcel_width":"12.00","parcel_height":"5.00","parcel_weight":"4.00","sellable":true,"published":true,"product_page_url":"\/products\/sensors\/li-200r-bl-x","nid":"23216","product_description":"<p>The LI-200R Pyranometer is meant to be used outdoors under unobstructed natural daylight conditions. It measures global solar radiation\u2014the combination of direct and diffuse solar radiation\u2014in the 400 to 1100 nm range. Measurement units are in watts per square meter (W m<sup>2<\/sup>).<\/p><p>Ideal for agricultural, meteorological, solar energy, and environmental research, the LI-200R is available with a variety of cable lengths and compatibility with most data loggers.<\/p><h3>Why choose the LI-200R Light Sensor?<\/h3><ul><li data-list-item-id=\"e0784dbb9658bf002f681b2c35c8cb65e\">Weather resistant and durable in long-term outdoor deployments<\/li><li data-list-item-id=\"e7f396932281712693821d5d386952cc2\">Measures global solar radiation under unobstructed natural daylight conditions<\/li><li data-list-item-id=\"e13a1547f31cec339c7db0d6ac2f5e94a\">Uniform sensitivity up to 82\u00b0 incident angle<\/li><li data-list-item-id=\"edcb6f64c4fe2c5e4bbdede58728d9b2b\">Detachable sensor simplifies installation and removal, making it ideal for platforms with complex cabling<\/li><\/ul><h3> <\/h3><h3>How does it work? <\/h3><drupal-media style=\"max-width:30rem;\" data-entity-type=\"media\" data-entity-uuid=\"0ccd839b-cd72-40d2-aa3f-b71adfb735f2\" data-align=\"left\"> <\/drupal-media><p> <\/p><h6>The LI-200R measures global solar radiation with an unfiltered silicon photodiode. Its measurements correspond closely to first-class thermopiles when used outdoors under unobstructed natural daylight conditions.<\/h6><h6>The crown of the sensor rapidly sheds water, and also physically blocks light from outside the hemisphere of sensitivity, providing a precise cosine response.<\/h6><p class=\"text-align-center\"> <\/p><p class=\"text-align-center\"><a class=\"small secondary-button\" href=\"https:\/\/www.licor.com\/products\/light\/science\" target=\"_blank\">Learn More About the Science Behind the Design<\/a><\/p>","applications":["Environmental Research & Protection","Climate","Environmental Compliance","Renewable Energy","Green Space","Ecology","Agricultural Monitoring","Agricultural Research","Crop Production","Orchard & Vineyard","Cannabis Cultivation","Disease and Pest"],"brand":"HOBO","compatible_items":{"Accessory":{"Mounting_Accessories":{"items":["2003S"]}},"Sensor Adapter":{"Analog_Input_Adapter":{"items":["RXMOD-A1","RXW-ANA","RXW-ANA-900","RXW-ANA-868","RXW-ANA-922","RXW-ANA-921"]},"Voltage_Input_Adapters":{"items":["2420-BL"]}}},"country":"US","field_documents":[{"nid":26001}],"environment":["Outdoor"],"important_information":"This sensor requires a 2420-BL Amplifier and HOBOnet Analog Mote (with HOBOnet Manager) or 4-Channel Analog Module for connection to the HOBO RX remote monitoring station. We highly recommend deployment with an optional LI-COR 2003S Mounting and Leveling Fixture. , basic_html","licor_part_class":"E607","li_cor_product_category":["Pyranometer Light Sensor"],"measurement":["Solar Radiation "],"message_boxes":"290656, 2166106","not_a_sku":"0","page_type":"add-to-cart","parcel_status":"default","primary_measurement":"Light","product_family_series":"RX Family","product_information_tab":"290661, 2166111","specifications":[{"type":"Product Specifications","revision_default":"1","revision_translation_affected":"1","field_hide_in_compare":"0","field_hide_on_specs_tab":"0","field_specification_group_label":"BLANK","field_specification_items":[{"type":"Product Specifications - Item","revision_default":"1","revision_translation_affected":"1","field_specification_label":"Absolute Calibration","field_specification_values":[{"type":"Product Specification - Value","revision_default":"1","revision_translation_affected":"1","field_specification_value":"Calibrated against an Eppley Precision Spectral Pyranometer (PSP) under natural daylight conditions. Calibration uncertainty under these conditions is estimated as \u00b1 3% typical, within \u00b1 60\u00b0 angle of incidence.*"}]},{"type":"Product Specifications - Item","revision_default":"1","revision_translation_affected":"1","field_specification_label":"Sensitivity","field_specification_values":[{"type":"Product Specification - Value","revision_default":"1","revision_translation_affected":"1","field_specification_value":"Typically 75 \u03bcA per 1,000 W m-2"}]},{"type":"Product Specifications - Item","revision_default":"1","revision_translation_affected":"1","field_specification_label":"Linearity","field_specification_values":[{"type":"Product Specification - Value","revision_default":"1","revision_translation_affected":"1","field_specification_value":"Maximum deviation of 1% up to 3,000 W m-2"}]},{"type":"Product Specifications - Item","revision_default":"1","revision_translation_affected":"1","field_specification_label":"Response Time","field_specification_values":[{"type":"Product Specification - Value","revision_default":"1","revision_translation_affected":"1","field_specification_value":"Less than 1\u03bcs (2 m cable terminated into a 147 Ohm load)"}]},{"type":"Product Specifications - Item","revision_default":"1","field_specification_label":"Temperature Dependence","field_specification_values":[{"type":"Product Specification - Value","revision_default":"1","field_specification_value":"\u00b1 0.15% per \u00b0C maximum"}]},{"type":"Product Specifications - Item","revision_default":"1","field_specification_label":"Cosine Correction","field_specification_values":[{"type":"Product Specification - Value","revision_default":"1","field_specification_value":"Cosine corrected up to 82\u00b0 angle of incidence"}]},{"type":"Product Specifications - Item","revision_default":"1","field_specification_label":"Azimuth","field_specification_values":[{"type":"Product Specification - Value","revision_default":"1","field_specification_value":"< \u00b1 1% error over 360\u00b0 at a 45\u00b0 elevation"}]},{"type":"Product Specifications - Item","revision_default":"1","field_specification_label":"Tilt","field_specification_values":[{"type":"Product Specification - Value","revision_default":"1","field_specification_value":"No error induced from orientation"}]},{"type":"Product Specifications - Item","revision_default":"1","field_specification_label":"Operating Temperature Range","field_specification_values":[{"type":"Product Specification - Value","revision_default":"1","field_specification_value":"\u221240 \u00b0C to 65 \u00b0C"}]},{"type":"Product Specifications - Item","revision_default":"1","field_specification_label":"Relative Humidity Range","field_specification_values":[{"type":"Product Specification - Value","revision_default":"1","field_specification_value":"0% to 100% RH, Non-Condensing"}]},{"type":"Product Specifications - Item","revision_default":"1","field_specification_label":"Detector","field_specification_values":[{"type":"Product Specification - Value","revision_default":"1","field_specification_value":"High stability silicon photovoltaic detector (blue enhanced)"}]},{"type":"Product Specifications - Item","revision_default":"1","field_specification_label":"Sensor Housing","field_specification_values":[{"type":"Product Specification - Value","revision_default":"1","field_specification_value":"Weatherproof anodized aluminum body with acrylic diffuser and stainless steel hardware; O-ring seal on the sensor base"}]},{"type":"Product Specifications - Item","revision_default":"1","field_specification_label":"Size","field_specification_values":[{"type":"Product Specification - Value","revision_default":"1","field_specification_measurement":[{"type":"Product Specification - Measurement","revision_default":"1","field_spec_imperial_value":"0.93\u201d diameter \u00d7 1.43\u201d","field_spec_metric_value":"2.36 cm diameter \u00d7 3.63 cm"}]}]},{"type":"Product Specifications - Item","revision_default":"1","field_specification_label":"Weight","field_specification_values":[{"type":"Product Specification - Value","revision_default":"1","field_specification_value":"24 g head; 60 g base\/cable (2 m) with screws"}]},{"type":"Product Specifications - Item","revision_default":"1","field_specification_label":"Cable Length","field_specification_values":[{"type":"Product Specification - Value","revision_default":"1","field_specification_measurement":[{"type":"Product Specification - Measurement","revision_default":"1","field_spec_imperial_value":"6.5\u2019, 16.4\u2019, 49.2\u2019, 164\u2019","field_spec_metric_value":"2 m, 5 m, 15 m, 50 m"}]}]}]}],"product_status":"active","product_type":"Sensors","product_variants":{"variation_label":"Cable Length","items":[{"sku":"LI-200R-BL-2","title":"Pyranometer, Bare Leads, 2 Meter Cable","variation":"2 meters","variant_status":"active","price":"360.00","non_shippable":false},{"sku":"LI-200R-BL-5","title":"Pyranometer, Bare Leads, 5 Meter Cable","variation":"5 meters","variant_status":"active","price":"370.00","non_shippable":false},{"sku":"LI-200R-BL-15","title":"Pyranometer, Bare Leads, 15 Meter Cable","variation":"15 meters","variant_status":"active","price":"400.00","non_shippable":false},{"sku":"LI-200R-BL-50","title":"Pyranometer, Bare Leads, 50 Meter Cable","variation":"50 meters","variant_status":"active","price":"480.00","non_shippable":false}]},"promote_measurement":["Light Intensity "],"search_keys":"LI-COR, light, solar, radiation","warranty":"0","warranty_premium":"0","digital_item":"0"},[{"nid":"26001","uuid":"0f08ace4-1a44-4682-98f8-36825557a167","vid":"104031","langcode":"en","revision_timestamp":"1769536891","status":"1","title":"HOBO\u00ae Mounting Accessories for LI-COR\u00ae Light Sensors Install Guide","created":"1769536559","changed":"1769536891","promote":"0","sticky":"0","default_langcode":"1","revision_default":"1","revision_translation_affected":"1","path":{"alias":"\/resources\/documentation\/hobor-mounting-accessories-for-li-corr-light-sensors-install-guide","pid":"66486","langcode":"en"},"applications":["Environmental Research & Protection","Climate","Environmental Compliance","Renewable Energy","Green Space","Ecology","Water Resource Management","Aquatic Ecology","Water Quality & Compliance","Hydrology & Groundwater Monitoring","Watershed Management","Wetland & Stormwater","Dam Management","Building Performance","Energy Monitoring","Agricultural Monitoring","Agricultural Research","Crop Production","Orchard & Vineyard"],"archive_resource":"0","brand":"HOBO","documentation_files":{"English":"https:\/\/dev-d9.onsetcomp.com\/sites\/default\/files\/2026-01\/30033-A%20INSTALL-LIGHT-ACC.pdf"},"documentation_hoboconnect":"0","documentation_intemp_app":"0","documentation_is_datasheet":"0","environment":["Outdoor","Water"],"hoboconnect_docs_sorting":"0","hobomobile_docs_sorting":"0","intemp_cx_docs_sorting":"0","resource_type":"Documentation"}]]
LI-200R-BL-x
LI-COR LI-200R Pyranometer, Bare Leads
The LI-200R Pyranometer is meant to be used outdoors under unobstructed natural daylight conditions. It measures global solar radiation—the combination of direct and diffuse solar radiation—in the 400 to 1100 nm range. Measurement units are in watts per square meter (W m2).
Ideal for agricultural, meteorological, solar energy, and environmental research, the LI-200R is available with a variety of cable lengths and compatibility with most data loggers.
Why choose the LI-200R Light Sensor?
Weather resistant and durable in long-term outdoor deployments
Measures global solar radiation under unobstructed natural daylight conditions
Uniform sensitivity up to 82° incident angle
Detachable sensor simplifies installation and removal, making it ideal for platforms with complex cabling
How does it work?
The LI-200R measures global solar radiation with an unfiltered silicon photodiode. Its measurements correspond closely to first-class thermopiles when used outdoors under unobstructed natural daylight conditions.
The crown of the sensor rapidly sheds water, and also physically blocks light from outside the hemisphere of sensitivity, providing a precise cosine response.