[{"sku":"MX2308","title":"HOBO MX2308 Temp\/RH\/PAR Data Logger","subtitle":"Measures Temperature, RH & Photosynthetically Active Radiation (PAR) with LI-COR PAR sensor","variant_product_name":null,"unit_price":"600.00","brands":["HOBO"],"region":null,"service_plans":[],"parcel_length":"13.00","parcel_width":"5.50","parcel_height":"3.50","parcel_weight":"0.59","sellable":true,"published":true,"product_page_url":"\/products\/data-loggers\/mx2308","nid":"23396","product_description":"<p>Rugged and Bluetooth-enabled, the MX2308 delivers research-grade monitoring of key growing conditions\u2014photosynthetically active radiation (PAR), temperature and relative humidity\u2014all in a single device. Whether you\u2019re growing plants in a commercial greenhouse, managing indoor vertical farms, fine-tuning conditions in hydroponic systems, or conducting agricultural or ecological research, the MX2308 gives you the data you need to optimize conditions for growth, health, and productivity.<\/p><p>Built for simplicity and flexibility, this all-in-one logger integrates with the <a href=\"\/node\/23156\" target=\"_blank\" data-entity-type=\"node\" data-entity-uuid=\"42630cdb-9767-46d6-b845-4973289c3ad2\" data-entity-substitution=\"canonical\">LI-COR\u00ae 190R PAR sensor<\/a>, the industry standard for light measurement that's trusted by researchers worldwide for its precision in measuring photosynthetically active radiation (PAR). <\/p><p><strong>IMPORTANT NOTE:<\/strong> For mounting, an <a href=\"\/node\/26041\" target=\"_blank\" data-entity-type=\"node\" data-entity-uuid=\"ca01152d-ae79-4636-9684-79e81c5c14e4\" data-entity-substitution=\"canonical\">M-PLT<\/a> and <a href=\"\/node\/23231\" target=\"_blank\" data-entity-type=\"node\" data-entity-uuid=\"ce3ab1f4-5c1e-4720-afc0-f7b4f3f2b522\" data-entity-substitution=\"canonical\">2003S Leveling Fixture<\/a> are required. Mounting to poles or pipes require an <a href=\"\/node\/26036\" target=\"_blank\" data-entity-type=\"node\" data-entity-uuid=\"742fd24c-2d09-4085-a8c8-85324be2613d\" data-entity-substitution=\"canonical\">M-BRK <\/a>and 2003S. <\/p><p>This versatile logger is designed to operate reliably across diverse environments, from high-tech vertical farming racks to outdoor experimental plots to support informed decisions around lighting, ventilation, and irrigation without the complexity or high costs of traditional monitoring systems:<\/p><h4>Examples of Monitoring Applications for the MX2308 Temp\/RH\/PAR Logger<\/h4><ul class=\"inline-items\"><li><h4>Growers, Farmers & Producers:<\/h4><p>Helps optimize growing conditions, improve yield consistency, and reduce disease risk for commercial greenhouse and indoor farming operators and hydroponic\/aquaponic growers by monitoring where it matters most.<\/p><\/li><li><h4>Researchers & Educators:<\/h4><p>Wireless setup and data retrieval enable flexible deployment across experimental sites, with data quality ideal for agricultural researchers, plant scientists, and university programs without the budgetary or logistical barriers typical of research-grade systems. <\/p><\/li><li><h4>Ag Tech & Innovation Teams:<\/h4><p>Ease of deployment and integration-ready data formats make an ideal sensor platform for prototyping or scaled trials needed for companies innovating in lighting optimization and climate control solutions.<\/p><\/li><\/ul><p>Setup and data retrieval are seamlessly simple\u2014no cables or additional download devices needed using the free <a href=\"\/node\/13586\" target=\"_blank\" data-entity-type=\"node\" data-entity-uuid=\"376293db-28ae-4b1e-8d2a-71154366d7ed\" data-entity-substitution=\"canonical\">HOBOconnect app<\/a> on your phone or tablet. Effortlessly configure the logger and download data via Bluetooth (up to a 100 ft range), which allows you to deploy in and download data from hard-to-reach spots.<\/p><p>Expand your remote monitoring by adding an <a href=\"\/node\/22186\" target=\"_blank\" data-entity-type=\"node\" data-entity-uuid=\"966bd229-b4ee-4a18-bd57-2b0f44176651\" data-entity-substitution=\"canonical\">MX Data Plan<\/a>, which allows you to upload data to <a href=\"\/node\/15531\" target=\"_blank\" data-entity-type=\"node\" data-entity-uuid=\"7079a80e-e3c0-4257-b212-3ffc9d4632b8\" data-entity-substitution=\"canonical\">LI-COR Cloud<\/a> remote software for further analysis, sharing, and more. <\/p>","add_on_products":{"title":"Required Accessory","items":["2003S"]},"applications":["Environmental Research & Protection","Climate","Environmental Compliance","Renewable Energy","Green Space","Ecology","Agricultural Monitoring","Agricultural Research","Crop Production","Orchard & Vineyard","Disease and Pest"],"application_product_image":"env-190R-Quantum-Sensor_HOBO-MX2308.jpg","brand":"HOBO","cart_message":"Note: The new MX2308 currently has an extended lead time. Orders may take longer than usual to ship. Thank you for your patience!, basic_html","compatibility_callout":["HOBOconnect"],"compatible_items":{"Communications":{"Software":{"items":["MX-Speed","MX-Data"]},"Wireless_Communications":{"items":["MXGTW1"]}},"Accessory":{"Mounting_Accessories":{"items":["2003S","MX2300-RS-BRACKET","M-BRK","M-PLT","M-LBB"]},"Solar_Radiation_Shields":{"items":["RS1","M-RSA"]},"Compliance_Certificates":{"items":["COMPLIANCE CERT"]},"Accessories":{"items":["ME-BP"]}}},"compliance_marks":["Conformit\u00e9 Europ\u00e9ene (CE)","Federal Communications Commission (FCC)","UK Conformity Assessed (UKCA)","KC Certification","Japanese Telecommunication and Radio Certification"],"country":"US","field_documents":[{"nid":8451},{"nid":23976},{"nid":26001}],"environment":["Outdoor"],"important_information":"Requires a compatible mobile device or Windows computer and the HOBOconnect app. System requirements for the app can be found at bottom of the HOBOconnect software page.[custom-onset:insert-block:5636]","li_cor_product_category":["Light Measurements","Datalogger & Light Meter"],"logger_sensor_type":"int_ext_sensors","measurement":["Light Intensity ","PAR ","Relative Humidity ","Temperature "],"message_boxes":"292031, 2258961","not_a_sku":"0","page_type":"add-to-cart","primary_measurement":"Light","product_family_series":"MX2300","features":"product_features_icons","product_information_tab":"292036, 2259006","product_price":"600.00","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":"Temperature Sensor","field_specification_items":[{"type":"Product Specifications - Item","revision_default":"1","field_specification_label":"Range","field_specification_values":[{"type":"Product Specification - Value","revision_default":"1","field_specification_measurement":[{"type":"Product Specification - Measurement","revision_default":"1","field_spec_single_value":"-40 to 65 \u00b0C (-40 to 149 \u00b0F) "}]}]},{"type":"Product Specifications - Item","revision_default":"1","field_specification_label":"Accuracy","field_specification_values":[{"type":"Product Specification - Value","revision_default":"1","field_specification_measurement":[{"type":"Product Specification - Measurement","revision_default":"1","field_spec_single_value":"\u00b10.2 \u00b0C (typical) within -40 to 65 \u00b0C"}]}]},{"type":"Product Specifications - Item","revision_default":"1","field_specification_label":"Resolution","field_specification_values":[{"type":"Product Specification - Value","revision_default":"1","field_specification_measurement":[{"type":"Product Specification - Measurement","revision_default":"1","field_spec_single_value":"0.008\u00b0C (.014 \u00b0F)"}]}]},{"type":"Product Specifications - Item","revision_default":"1","field_specification_label":"Drift ","field_specification_values":[{"type":"Product Specification - Value","revision_default":"1","field_specification_measurement":[{"type":"Product Specification - Measurement","revision_default":"1","field_spec_single_value":"<0.01\u00b0C (0.018\u00b0F) per year"}]}]}]},{"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":"Relative Humidity (RH) Sensor","field_specification_items":[{"type":"Product Specifications - Item","revision_default":"1","field_specification_label":"Range","field_specification_values":[{"type":"Product Specification - Value","revision_default":"1","field_specification_measurement":[{"type":"Product Specification - Measurement","revision_default":"1","field_spec_single_value":"0 to 100% RH, -40\u00b0 to 65 \u00b0C (-40\u00b0 to 149 \u00b0F); exposure to conditions below -20\u00b0C (-4\u00b0F) or above 95% RH may temporarily increase the maximum RH sensor error by an additional 1%"}]}]},{"type":"Product Specifications - Item","revision_default":"1","field_specification_label":"Accuracy","field_specification_values":[{"type":"Product Specification - Value","revision_default":"1","field_specification_measurement":[{"type":"Product Specification - Measurement","revision_default":"1","field_spec_single_value":"\u00b12.5% from 10% to 90% (typical) to a maximum of \u00b13.5% including hysteresis at 25\u00b0C (77\u00b0F); below 10% RH and above 90% RH \u00b15% typical"}]}]},{"type":"Product Specifications - Item","revision_default":"1","field_specification_label":"Resolution","field_specification_values":[{"type":"Product Specification - Value","revision_default":"1","field_specification_measurement":[{"type":"Product Specification - Measurement","revision_default":"1","field_spec_single_value":"0.01% RH"}]}]},{"type":"Product Specifications - Item","revision_default":"1","field_specification_label":"Drift","field_specification_values":[{"type":"Product Specification - Value","revision_default":"1","field_specification_measurement":[{"type":"Product Specification - Measurement","revision_default":"1","field_spec_single_value":"<1% per year typical"}]}]}]},{"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":"Photosynthetically Active Radiation (PAR) Sensor","field_specification_items":[{"type":"Product Specifications - Item","revision_default":"1","revision_translation_affected":"1","field_specification_label":"Range","field_specification_values":[{"type":"Product Specification - Value","revision_default":"1","revision_translation_affected":"1","field_specification_measurement":[{"type":"Product Specification - Measurement","revision_default":"1","revision_translation_affected":"1","field_spec_single_value":"0 to 3,000 \u03bcmol\/m\u00b2\/s (full sunlight)"}]}]},{"type":"Product Specifications - Item","revision_default":"1","revision_translation_affected":"1","field_specification_label":"Accuracy","field_specification_values":[{"type":"Product Specification - Value","revision_default":"1","revision_translation_affected":"1","field_specification_measurement":[{"type":"Product Specification - Measurement","revision_default":"1","revision_translation_affected":"1","field_spec_single_value":"\u00b15% typical (LI-COR LI-190R factory calibration)"}]}]},{"type":"Product Specifications - Item","revision_default":"1","revision_translation_affected":"1","field_specification_label":"Offset","field_specification_values":[{"type":"Product Specification - Value","revision_default":"1","revision_translation_affected":"1","field_specification_measurement":[{"type":"Product Specification - Measurement","revision_default":"1","revision_translation_affected":"1","field_spec_single_value":"+\/-1 \u03bcmo"}]}]},{"type":"Product Specifications - Item","revision_default":"1","revision_translation_affected":"1","field_specification_label":"Resolution","field_specification_values":[{"type":"Product Specification - Value","revision_default":"1","revision_translation_affected":"1","field_specification_measurement":[{"type":"Product Specification - Measurement","revision_default":"1","revision_translation_affected":"1","field_spec_single_value":"0.1 \u03bcmol\/m\u00b2\/s"}]}]},{"type":"Product Specifications - Item","revision_default":"1","revision_translation_affected":"1","field_specification_label":"Spectral Range","field_specification_values":[{"type":"Product Specification - Value","revision_default":"1","revision_translation_affected":"1","field_specification_measurement":[{"type":"Product Specification - Measurement","revision_default":"1","revision_translation_affected":"1","field_spec_single_value":"400\u2013700 nm (PAR waveband)"}]}]},{"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_measurement":[{"type":"Product Specification - Measurement","revision_default":"1","revision_translation_affected":"1","field_spec_single_value":"Maximum deviation of 1% up to 3,000umol\/m2 \/s"}]}]},{"type":"Product Specifications - Item","revision_default":"1","field_specification_label":"Stability","field_specification_values":[{"type":"Product Specification - Value","revision_default":"1","field_specification_measurement":[{"type":"Product Specification - Measurement","revision_default":"1","field_spec_single_value":"<= 2% change over one year"}]}]},{"type":"Product Specifications - Item","revision_default":"1","field_specification_label":"Temperature Dependence","field_specification_values":[{"type":"Product Specification - Value","revision_default":"1","field_specification_measurement":[{"type":"Product Specification - Measurement","revision_default":"1","field_spec_single_value":"\u00b10.15% per \u02daC 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_measurement":[{"type":"Product Specification - Measurement","revision_default":"1","field_spec_single_value":"Cosine corrected up to 82\u02da 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_measurement":[{"type":"Product Specification - Measurement","revision_default":"1","field_spec_single_value":"<\u00b11% error over 360\u02da at 45\u02da elevation"}]}]},{"type":"Product Specifications - Item","revision_default":"1","field_specification_label":"Tilt","field_specification_values":[{"type":"Product Specification - Value","revision_default":"1","field_specification_measurement":[{"type":"Product Specification - Measurement","revision_default":"1","field_spec_single_value":"No error induced from orientation"}]}]},{"type":"Product Specifications - Item","revision_default":"1","field_specification_label":"Detector","field_specification_values":[{"type":"Product Specification - Value","revision_default":"1","field_specification_measurement":[{"type":"Product Specification - Measurement","revision_default":"1","field_spec_single_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_measurement":[{"type":"Product Specification - Measurement","revision_default":"1","field_spec_single_value":"Weatherproof anodized aluminum case with acrylic diffuser and stainless steel hardware. O-ring seal on the sensor base."}]}]},{"type":"Product Specifications - Item","revision_default":"1","field_specification_label":"Sensor Size","field_specification_values":[{"type":"Product Specification - Value","revision_default":"1","field_specification_measurement":[{"type":"Product Specification - Measurement","revision_default":"1","field_spec_single_value":"2.36 cm diameter x 3.63 cm (095\u201d x 1.43\u201d)"}]}]},{"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_single_value":"1.8 m"}]}]}]},{"type":"Product Specifications","revision_default":"1","revision_translation_affected":"1","field_hide_in_compare":"0","field_hide_on_specs_tab":"0","field_specification_group_descri":"Accumulated PAR in mol\/m\u00b2, Daily Light Integral (DLI) in mol\/m\u00b2\/day, Vapor Pressure Deficit (VPD) in kPa, and Dew Point (computed from logged data)","field_specification_group_label":"Calculated Metrics","field_specification_items":[{"type":"Product Specifications - Item","revision_default":"1","field_items_indent_level":"0","field_specification_label":"Response Time (typical, to 90% of change)","field_specification_values":[{"type":"Product Specification - Value","revision_default":"1","field_specification_measurement":[{"type":"Product Specification - Measurement","revision_default":"1"}]}]},{"type":"Product Specifications - Item","revision_default":"1","field_items_indent_level":"1","field_specification_label":"Temperature","field_specification_values":[{"type":"Product Specification - Value","revision_default":"1","field_specification_measurement":[{"type":"Product Specification - Measurement","revision_default":"1"}]}]},{"type":"Product Specifications - Item","revision_default":"1","field_items_indent_level":"2","field_specification_label":"Without Solar Radiation Shield","field_specification_values":[{"type":"Product Specification - Value","revision_default":"1","field_specification_measurement":[{"type":"Product Specification - Measurement","revision_default":"1","field_spec_single_value":"17 minutes in air moving 1 m\/sec"}]}]},{"type":"Product Specifications - Item","revision_default":"1","field_items_indent_level":"2","field_specification_label":"With RS1\/M-RSA Solar Radiation Shield","field_specification_values":[{"type":"Product Specification - Value","revision_default":"1","field_specification_measurement":[{"type":"Product Specification - Measurement","revision_default":"1","field_spec_single_value":"24 minutes in air moving 1 m\/sec"}]}]},{"type":"Product Specifications - Item","revision_default":"1","field_items_indent_level":"1","field_specification_label":"RH","field_specification_values":[{"type":"Product Specification - Value","revision_default":"1","field_specification_measurement":[{"type":"Product Specification - Measurement","revision_default":"1"}]}]},{"type":"Product Specifications - Item","revision_default":"1","field_items_indent_level":"2","field_specification_label":"Without Solar Radiation Shield","field_specification_values":[{"type":"Product Specification - Value","revision_default":"1","field_specification_measurement":[{"type":"Product Specification - Measurement","revision_default":"1","field_spec_single_value":"30 seconds in air moving 1 m\/sec"}]}]},{"type":"Product Specifications - Item","revision_default":"1","field_items_indent_level":"2","field_specification_label":"With RS1\/M-RSA Solar Radiation Shield","field_specification_values":[{"type":"Product Specification - Value","revision_default":"1","field_specification_measurement":[{"type":"Product Specification - Measurement","revision_default":"1","field_spec_single_value":"40 seconds in air moving 1 m\/sec"}]}]}]},{"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":"Response Time (typical, to 90% of charge)","field_specification_items":[{"type":"Product Specifications - Item","revision_default":"1","revision_translation_affected":"1","field_specification_label":"Temperature","field_specification_values":[{"type":"Product Specification - Value","revision_default":"1","field_specification_measurement":[{"type":"Product Specification - Measurement","revision_default":"1","field_spec_single_value":"Without Solar Radiation Shield: 17 minutes in air moving 1 m\/sec"}]},{"type":"Product Specification - Value","revision_default":"1","revision_translation_affected":"1","field_specification_measurement":[{"type":"Product Specification - Measurement","revision_default":"1","revision_translation_affected":"1","field_spec_single_value":"With RS1\/M-RSA Solar Radiation Shield: 24 minutes in air moving 1 m\/sec"}]}]},{"type":"Product Specifications - Item","revision_default":"1","revision_translation_affected":"1","field_specification_label":"Relative Humidity (RH)","field_specification_values":[{"type":"Product Specification - Value","revision_default":"1","field_specification_measurement":[{"type":"Product Specification - Measurement","revision_default":"1","field_spec_single_value":"Without Solar Radiation Shield: 30 seconds in air moving 1 m\/sec"}]},{"type":"Product Specification - Value","revision_default":"1","revision_translation_affected":"1","field_specification_measurement":[{"type":"Product Specification - Measurement","revision_default":"1","revision_translation_affected":"1","field_spec_single_value":"With RS1\/M-RSA Solar Radiation Shield: 40 seconds in air moving 1 m\/sec"}]}]}]},{"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":"Logger","field_specification_items":[{"type":"Product Specifications - Item","revision_default":"1","field_specification_label":"Operating Range","field_specification_values":[{"type":"Product Specification - Value","revision_default":"1","field_specification_measurement":[{"type":"Product Specification - Measurement","revision_default":"1","field_spec_single_value":"-40 to 65 \u00b0C (-40 to 149 \u00b0F)"}]}]},{"type":"Product Specifications - Item","revision_default":"1","field_specification_label":"Radio Power","field_specification_values":[{"type":"Product Specification - Value","revision_default":"1","field_specification_measurement":[{"type":"Product Specification - Measurement","revision_default":"1","field_spec_single_value":"0.4mW (-4 dBm)"}]}]},{"type":"Product Specifications - Item","revision_default":"1","field_specification_label":"Transmission Range","field_specification_values":[{"type":"Product Specification - Value","revision_default":"1","field_specification_measurement":[{"type":"Product Specification - Measurement","revision_default":"1","field_spec_single_value":"Approximately 30.5 m (100 ft) line-of-sight"}]}]},{"type":"Product Specifications - Item","revision_default":"1","field_specification_label":"Wireless Data Standard","field_specification_values":[{"type":"Product Specification - Value","revision_default":"1","field_specification_measurement":[{"type":"Product Specification - Measurement","revision_default":"1","field_spec_single_value":"Bluetooth Low Energy (Bluetooth Smart)"}]}]},{"type":"Product Specifications - Item","revision_default":"1","field_specification_label":"Logging Rate ","field_specification_values":[{"type":"Product Specification - Value","revision_default":"1","field_specification_measurement":[{"type":"Product Specification - Measurement","revision_default":"1","field_spec_single_value":"1 second to 18 hours"}]}]},{"type":"Product Specifications - Item","revision_default":"1","field_specification_label":"Logging Modes","field_specification_values":[{"type":"Product Specification - Value","revision_default":"1","field_specification_measurement":[{"type":"Product Specification - Measurement","revision_default":"1","field_spec_single_value":"Fixed interval (normal, statistics) or burst"}]}]},{"type":"Product Specifications - Item","revision_default":"1","field_specification_label":"Memory Modes","field_specification_values":[{"type":"Product Specification - Value","revision_default":"1","field_specification_measurement":[{"type":"Product Specification - Measurement","revision_default":"1","field_spec_single_value":"Wrap when full or stop when full"}]}]},{"type":"Product Specifications - Item","revision_default":"1","field_specification_label":"Start Modes","field_specification_values":[{"type":"Product Specification - Value","revision_default":"1","field_specification_measurement":[{"type":"Product Specification - Measurement","revision_default":"1","field_spec_single_value":"Immediate, push button, date & time, or next interval"}]}]},{"type":"Product Specifications - Item","revision_default":"1","field_specification_label":"Stop Modes","field_specification_values":[{"type":"Product Specification - Value","revision_default":"1","field_specification_measurement":[{"type":"Product Specification - Measurement","revision_default":"1","field_spec_single_value":"When memory is full, push button, date & time, or after a set logging period"}]}]},{"type":"Product Specifications - Item","revision_default":"1","field_specification_label":"Time Accuracy","field_specification_values":[{"type":"Product Specification - Value","revision_default":"1","field_specification_measurement":[{"type":"Product Specification - Measurement","revision_default":"1","field_spec_single_value":"\u00b11 minute per month 0\u00b0 to 50\u00b0C (32\u00b0 to 122\u00b0F)"}]}]},{"type":"Product Specifications - Item","revision_default":"1","field_specification_label":"Battery Type","field_specification_values":[{"type":"Product Specification - Value","revision_default":"1","field_specification_measurement":[{"type":"Product Specification - Measurement","revision_default":"1","field_spec_single_value":"2\/3 AA 3.6 Volt lithium, user replaceable"}]}]},{"type":"Product Specifications - Item","revision_default":"1","field_specification_label":"Battery Life","field_specification_values":[{"type":"Product Specification - Value","revision_default":"1","field_specification_measurement":[{"type":"Product Specification - Measurement","revision_default":"1","field_spec_single_value":"2 years, typical with logging interval of 1 minute and Bluetooth Always On enabled; 5 years, typical with logging interval of 1 minute and Bluetooth Always On disabled. Faster logging intervals and statistics sampling intervals, burst logging, remaining c"}]}]},{"type":"Product Specifications - Item","revision_default":"1","field_specification_label":"Memory","field_specification_values":[{"type":"Product Specification - Value","revision_default":"1","field_specification_measurement":[{"type":"Product Specification - Measurement","revision_default":"1","field_spec_single_value":"195,000 measurements, maximum"}]}]},{"type":"Product Specifications - Item","revision_default":"1","field_specification_label":"Full Memory Download Time","field_specification_values":[{"type":"Product Specification - Value","revision_default":"1","field_specification_measurement":[{"type":"Product Specification - Measurement","revision_default":"1","field_spec_single_value":"Approximately 4-5 minutes; may take longer the further the device is from the logger"}]}]},{"type":"Product Specifications - Item","revision_default":"1","field_specification_label":"Dimensions","field_specification_values":[{"type":"Product Specification - Value","revision_default":"1","field_specification_measurement":[{"type":"Product Specification - Measurement","revision_default":"1","field_spec_single_value":"Logger housing: 10.8 x 5.08 x 2.24 cm (4.25 x 2.0 x 0.88 in.)"}]},{"type":"Product Specification - Value","revision_default":"1","field_specification_measurement":[{"type":"Product Specification - Measurement","revision_default":"1","field_spec_single_value":"LI-190R: 2.36 cm diameter \u00d7 3.63 cm (0.93 \u00d7 1.43 in.)"}]}]},{"type":"Product Specifications - Item","revision_default":"1","field_specification_label":"Weight","field_specification_values":[{"type":"Product Specification - Value","revision_default":"1","field_specification_measurement":[{"type":"Product Specification - Measurement","revision_default":"1","field_spec_single_value":"Logger: 149 g (5.26 oz)"}]}]},{"type":"Product Specifications - Item","revision_default":"1","field_specification_label":"Materials","field_specification_values":[{"type":"Product Specification - Value","revision_default":"1","field_specification_measurement":[{"type":"Product Specification - Measurement","revision_default":"1","field_spec_single_value":"Acetal, silicone gasket, stainless steel screws"}]}]},{"type":"Product Specifications - Item","revision_default":"1","field_specification_label":"Environmental Rating","field_specification_values":[{"type":"Product Specification - Value","revision_default":"1","field_specification_measurement":[{"type":"Product Specification - Measurement","revision_default":"1","field_spec_single_value":"NEMA 6 and IP67"}]}]}]}],"product_status":"active","product_type":"Data Loggers","search_keys":"PAR, Temperature, RH, light","warranty":"1","warranty_premium":"1","digital_item":"0"},[{"nid":"8451","uuid":"06d988f9-071c-4896-867e-7b047f012e74","vid":"155121","langcode":"und","revision_timestamp":"1790111618","status":"1","title":"Getting Started with MX Data Loggers","created":"1644354703","changed":"1790111618","promote":"1","sticky":"1","default_langcode":"1","revision_default":"1","revision_translation_affected":"1","path":{"alias":"\/resources\/documentation\/getting-started-mx-data-loggers","pid":"16211","langcode":"und"},"body":"<h2>Get Started with Your HOBO\u00ae MX Data Logger<\/h2><p>Everything you need to set up your new data logger and start collecting data with confidence is right here.<\/p><p>Complete the short form below to access step-by-step guidance for:<\/p><ul><li data-list-item-id=\"e2133eab3bed93ef1382fec0f604eaeb4\">Downloading and setting up the HOBOconnect\u00ae app<\/li><li data-list-item-id=\"e282b98aa28045aafdcfa11ce4fae1afd\">Configuring and starting your data logger<\/li><li data-list-item-id=\"e260ec1866dabe5281b564664b0960c72\">Viewing current conditions<\/li><li data-list-item-id=\"e801170d04655525bdbe2475bafb39908\">Downloading, exporting, and sharing your data<\/li><li data-list-item-id=\"e69b11aab7d1342b5db0af2d2e939822b\">Connecting your logger to LI-COR Cloud\u00ae<\/li><\/ul>","archive_resource":"0","associated_products":["MX1101"],"brand":"HOBO","documentation_hoboconnect":"0","documentation_intemp_app":"0","documentation_is_datasheet":"0","environment":["Indoor","Outdoor","Water"],"form_type":"webform","hoboconnect_docs_sorting":"0","hobomobile_docs_sorting":"0","intemp_cx_docs_sorting":"0","layout_style":"two_column","files":{"media_image":"https:\/\/dev-d9.onsetcomp.com\/sites\/default\/files\/2022-09\/Featured%5B1%29_HOBO-MX2300-Series.jpg"},"videos":{"media_video":"https:\/\/youtu.be\/EvU7_hFxVL0"},"FIELDS":[["field_media_video","entity_reference","remote_video"]],"meta_tags":"a:2:{s:11:\"description\";s:174:\"Learn the basic steps of data logging, setting up your new data logger, downloading and sharing data, and the option to upload your data to the cloud using HOBOlink software.\";s:5:\"title\";s:76:\"Getting Started Guide for HOBO\u00ae MX Data Loggers | [current-brand:site-name]\";}","resource_topic":["Getting Started","Software"],"resource_type":"Documentation","resource_webform":{"target_id":"mx_getting_started","default_data":"","status":"open","open":"","close":""}},{"nid":"23976","uuid":"c834fd28-c4b5-4b04-ab62-89598797bdb9","vid":"155026","langcode":"en","revision_timestamp":"1788975176","status":"1","title":"MX2308 Temp\/RH\/PAR Data Logger User Manual","created":"1750444233","changed":"1788975176","promote":"0","sticky":"0","default_langcode":"1","revision_default":"1","path":{"alias":"\/resources\/documentation\/29433-mx2308-manual","pid":"61516","langcode":"en"},"archive_resource":"0","associated_products":["MX2308"],"brand":"HOBO","documentation_files":{"English":"https:\/\/dev-d9.onsetcomp.com\/sites\/default\/files\/2026-09\/29433-C%20MX2308%20Manual.pdf"},"documentation_hoboconnect":"0","documentation_id":"29433-mx2308-manual","documentation_intemp_app":"0","documentation_is_datasheet":"0","documentation_short_title":"MX2308 User Manual","hoboconnect_docs_sorting":"0","hobomobile_docs_sorting":"0","intemp_cx_docs_sorting":"0","product_family_series":"MX Family","related_products":["MX2308"],"resource_topic":["Getting Started"],"resource_type":"Documentation"},{"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"}]]
MX2308
HOBO MX2308 Temp/RH/PAR Data Logger
Rugged and Bluetooth-enabled, the MX2308 delivers research-grade monitoring of key growing conditions—photosynthetically active radiation (PAR), temperature and relative humidity—all in a single device. Whether you’re growing plants in a commercial greenhouse, managing indoor vertical farms, fine-tuning conditions in hydroponic systems, or conducting agricultural or ecological research, the MX2308 gives you the data you need to optimize conditions for growth, health, and productivity.
Built for simplicity and flexibility, this all-in-one logger integrates with the LI-COR® 190R PAR sensor, the industry standard for light measurement that's trusted by researchers worldwide for its precision in measuring photosynthetically active radiation (PAR).
IMPORTANT NOTE: For mounting, an M-PLT and 2003S Leveling Fixture are required. Mounting to poles or pipes require an M-BRK and 2003S.
This versatile logger is designed to operate reliably across diverse environments, from high-tech vertical farming racks to outdoor experimental plots to support informed decisions around lighting, ventilation, and irrigation without the complexity or high costs of traditional monitoring systems:
Examples of Monitoring Applications for the MX2308 Temp/RH/PAR Logger
Growers, Farmers & Producers:
Helps optimize growing conditions, improve yield consistency, and reduce disease risk for commercial greenhouse and indoor farming operators and hydroponic/aquaponic growers by monitoring where it matters most.
Researchers & Educators:
Wireless setup and data retrieval enable flexible deployment across experimental sites, with data quality ideal for agricultural researchers, plant scientists, and university programs without the budgetary or logistical barriers typical of research-grade systems.
Ag Tech & Innovation Teams:
Ease of deployment and integration-ready data formats make an ideal sensor platform for prototyping or scaled trials needed for companies innovating in lighting optimization and climate control solutions.
Setup and data retrieval are seamlessly simple—no cables or additional download devices needed using the free HOBOconnect app on your phone or tablet. Effortlessly configure the logger and download data via Bluetooth (up to a 100 ft range), which allows you to deploy in and download data from hard-to-reach spots.
Expand your remote monitoring by adding an MX Data Plan, which allows you to upload data to LI-COR Cloud remote software for further analysis, sharing, and more.