[{"sku":"U24-002-C","title":"HOBO Saltwater Conductivity\/Salinity Data Logger","subtitle":"Salt Water","variant_product_name":null,"unit_price":"1075.00","brands":["HOBO"],"region":null,"service_plans":[],"parcel_length":"5.00","parcel_width":"1.50","parcel_height":"5.50","parcel_weight":"0.50","sellable":true,"published":true,"product_page_url":"\/products\/data-loggers\/u24-002-c","nid":"12441","product_description":"<p>A cost-effective data logger for measuring salinity, conductivity, and temperature in saltwater environments with relatively small changes in salinity (\u00b15,000 \u03bcS\/cm) such as saltwater bays, or to detect salinity events such as upwelling, rainstorm, and discharge events. Data from this logger can be used with data from the <a href=\"\/products\/data-loggers\/u26-001\" rel=\"noopener\" target=\"_blank\">HOBO U26 Dissolved Oxygen Logger<\/a> for monitoring percent dissolved oxygen saturation.<\/p>\r\n\r\n<p><strong>Note:<\/strong> When monitoring salinity in waters with more than \u00b15,000 uS\/cm variation, refer to the accuracy shown in Plot C in the product specifications to determine if the accuracy is acceptable for your needs. Monthly field calibration readings are typically required to achieve the best accuracy.<\/p>\r\n","applications":["Environmental Research & Protection","Environmental Compliance","Renewable Energy","Water Resource Management","Aquatic Ecology","Water Quality & Compliance","Hydrology & Groundwater Monitoring","Watershed Management","Wetland & Stormwater","Dam Management","Building Performance","Construction Compliance"],"brand":"HOBO","communication":"Optic\/USB","compatible_items":{"Accessory":{"Data_Offload_Base_Stations_Shuttles_Couplers":{"items":["COUPLER2-C","U-DTW-1"]},"Protective_Covers_and_Boots":{"items":["U22-U24-CAP"]},"Protective_Enclosures":{"items":["HOUSING-U2X"]},"Stainless_Steel_Cable_Crimps":{"items":["CABLE-1-300","CABLE-1-50","CABLE-1-CRIMP"]},"Well_Caps":{"items":["WELL-CAP-01"]},"Compliance_Certificates":{"items":["COMPLIANCE CERT"]},"Accessories":{"items":["ME-BP"]}},"Required Communications":{"Data_Offload_Base_Stations_Shuttles_Couplers":{"items":["BASE-U-4","U-DTW-1"]}},"Required Software":{"Graphing_Analysis":{"items":["BHW-PRO-DLD","BHW-PRO-USB"]}}},"compliance_marks":["Conformit\u00e9 Europ\u00e9ene (CE)"],"country":"US","customers_also_bought":["MX2001","U-DTW-1","U20L-0x","U26-001"],"field_documents":[{"nid":9496},{"nid":10351}],"environment":["Water"],"important_information":"Requires HOBOware Pro software and either a U-DTW-1 Waterproof Shuttle or the Base-U-4 Optic USB Base Station for configuration and data offload. Please see compatible items below.","logger_sensor_type":"integrated_sensors","measurement":["Conductivity\/Salinity ","Water Temperature "],"media_remote_videos":["https:\/\/www.youtube.com\/watch?v=HsZ3uYWyQNM"],"not_a_sku":"0","parcel_status":"default","product_battery":"factory_replacement","product_family_series":"U24","features":"<ul>\n\t<li>\u200bNon-contact sensor provides long life<\/li>\n\t<li>Easy access to sensor for cleaning and shedding air bubbles<\/li>\n\t<li>Two user-selectable ranges provide measurements from 100 to 55,000 uS\/cm.<\/li>\n\t<li>Delrin housing will not corrode in saltwater<\/li>\n\t<li>HOBOware Pro software enables start\/end-point calibration to compensate for any fouling and provides easy conversion to specific conductance and salinity using the Practical Salinity Scale 1978 (PSS-78)<\/li>\n\t<li>USB optical interface provides high-speed, reliable salinity data offload in wet environments<\/li>\n\t<li>Compatible with the HOBO Waterproof Shuttle for easy and reliable data retrieval and transport<\/li>\n\t<li>Non-contact sensor with titanium pentoxide coating keeps the sensor from coming in contact with the water, thereby preventing tarnishing or corrosion associated with traditional electrode sensors; sensor coating is inert, so fouling can be wiped off easily<\/li>\n<\/ul>\n","product_price":"1075.00","specifications":[{"type":"Product Specifications","revision_default":"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","field_specification_label":"Measurements","field_specification_values":[{"type":"Product Specification - Value","revision_default":"1","field_specification_value":"Actual Conductivity, Temperature, Specific Conductance at 25C (calculated), Salinity (calculated using PSS-78, the Practical Salinity Scale 1978)"}]},{"type":"Product Specifications - Item","revision_default":"1","field_specification_label":"Conductivity Measurement Ranges","field_specification_values":[{"type":"Product Specification - Value","revision_default":"1","field_specification_value":"Low range: 100 to 10,000 uS\/cm"},{"type":"Product Specification - Value","revision_default":"1","field_specification_value":"High range: 5000 to 55,000 uS\/cm"}]},{"type":"Product Specifications - Item","revision_default":"1","field_specification_label":"Conductivity Calibrated Range - Temperature Range","field_specification_values":[{"type":"Product Specification - Value","revision_default":"1","field_specification_measurement":[{"type":"Product Specification - Measurement","revision_default":"1","field_spec_imperial_value":"41\u00b0 to 95\u00b0F","field_spec_metric_value":"5\u00b0 to 35\u00b0C"}]}]},{"type":"Product Specifications - Item","revision_default":"1","field_specification_label":"Conductivity Extended Ranges","field_specification_values":[{"type":"Product Specification - Value","revision_default":"1","field_specification_value":"Low range: 100 to 10,000 uS\/cm"},{"type":"Product Specification - Value","revision_default":"1","field_specification_value":"High range: 5000 to 55,000 uS\/cm"},{"type":"Product Specification - Value","revision_default":"1","field_specification_value":"(readings below these ranges reported as 0)"}]},{"type":"Product Specifications - Item","revision_default":"1","field_specification_label":"Temperature Measurement Range","field_specification_values":[{"type":"Product Specification - Value","revision_default":"1","field_specification_measurement":[{"type":"Product Specification - Measurement","revision_default":"1","field_spec_imperial_value":"28\u00b0 to 97\u00b0F","field_spec_metric_value":"-2\u00b0 to 36\u00b0C"}]}]},{"type":"Product Specifications - Item","revision_default":"1","field_specification_label":"Specific Conductance Accuracy (in Calibrated Range using Conductivity Assistant and Calibration Measurements)","field_specification_values":[{"type":"Product Specification - Value","revision_default":"1","field_specification_value":"Low range: 3% of reading or 50 \u00b5S\/cm, whichever is greater"},{"type":"Product Specification - Value","revision_default":"1","field_specification_value":"High range: 5% of reading, in waters within a range of \u00b13,000 \u00b5S\/cm; waters with greater variation can have substantially greater error"}]},{"type":"Product Specifications - Item","revision_default":"1","field_specification_label":"Conductivity Resolution","field_specification_values":[{"type":"Product Specification - Value","revision_default":"1","field_specification_value":"2 uS\/cm (typical)"}]},{"type":"Product Specifications - Item","revision_default":"1","field_specification_label":"Temperature Accuracy","field_specification_values":[{"type":"Product Specification - Value","revision_default":"1","field_specification_value":"0.1\u00b0C (0.2\u00b0F) at 25\u00b0C (77\u00b0F)"}]},{"type":"Product Specifications - Item","revision_default":"1","field_specification_label":"Temperature Resolution","field_specification_values":[{"type":"Product Specification - Value","revision_default":"1","field_specification_measurement":[{"type":"Product Specification - Measurement","revision_default":"1","field_spec_imperial_value":"0.02\u00b0F","field_spec_metric_value":"0.01\u00b0C"}]}]},{"type":"Product Specifications - Item","revision_default":"1","field_specification_label":"Conductivity drift","field_specification_values":[{"type":"Product Specification - Value","revision_default":"1","field_specification_value":"Up to 12% sensor drift per month, exclusive of drift from fouling. Monthly start- and end-point calibration should be used with the HOBOware Conductivity Assistant to achieve the specified Specific Conductance accuracy."}]},{"type":"Product Specifications - Item","revision_default":"1","field_specification_label":"Response time","field_specification_values":[{"type":"Product Specification - Value","revision_default":"1","field_specification_value":"1 second to 90% of change (in water)"}]},{"type":"Product Specifications - Item","revision_default":"1","field_specification_label":"Operating range","field_specification_values":[{"type":"Product Specification - Value","revision_default":"1","field_specification_value":"-2\u00b0 to 36\u00b0C (28\u00b0 to 97\u00b0F) \u2013 non-freezing"}]},{"type":"Product Specifications - Item","revision_default":"1","field_specification_label":"Memory","field_specification_values":[{"type":"Product Specification - Value","revision_default":"1","field_specification_value":"18,500 temperature and conductivity measurements when using one conductivity range; 11,500 sets of measurements when using both conductivity ranges (64 KB total memory)"}]},{"type":"Product Specifications - Item","revision_default":"1","field_specification_label":"Sample rate","field_specification_values":[{"type":"Product Specification - Value","revision_default":"1","field_specification_value":"1 second to 18 hrs, fixed or multiple-rate sampling with up to 8 user-defined sampling intervals"}]},{"type":"Product Specifications - Item","revision_default":"1","field_specification_label":"Clock accuracy","field_specification_values":[{"type":"Product Specification - Value","revision_default":"1","field_specification_value":"+\/- 1 minute per month"}]},{"type":"Product Specifications - Item","revision_default":"1","field_specification_label":"Battery life","field_specification_values":[{"type":"Product Specification - Value","revision_default":"1","field_specification_value":"3 years (@ 1 min logging)"}]},{"type":"Product Specifications - Item","revision_default":"1","field_specification_label":"Maximum depth","field_specification_values":[{"type":"Product Specification - Value","revision_default":"1","field_specification_measurement":[{"type":"Product Specification - Measurement","revision_default":"1","field_spec_imperial_value":"225'","field_spec_metric_value":"70 m"}]}]},{"type":"Product Specifications - Item","revision_default":"1","field_specification_label":"Weight","field_specification_values":[{"type":"Product Specification - Value","revision_default":"1","field_specification_value":"193 gm (6.82 ounces), buoyancy in freshwater: -59.8 gm (-2.11 ounces)"}]},{"type":"Product Specifications - Item","revision_default":"1","field_specification_label":"Size","field_specification_values":[{"type":"Product Specification - Value","revision_default":"1","field_specification_value":"3.18 cm diameter x 16.5 cm, with 6.3 mm mounting hole (1.25\" diameter x 6.5\", \u00bc\" hole)"}]},{"type":"Product Specifications - Item","revision_default":"1","field_specification_label":"Wetted housing materials","field_specification_values":[{"type":"Product Specification - Value","revision_default":"1","field_specification_value":"Delrin\u00ae, epoxy, stainless steel retaining ring, polypropylene, Buna rubber O-ring, titanium pentoxide (inert coating over sensor) \u2013 all materials are suitable for long-term use in saltwater."}]},{"type":"Product Specifications - Item","revision_default":"1","field_specification_label":"Environmental Rating","field_specification_values":[{"type":"Product Specification - Value","revision_default":"1","field_specification_value":"IP68"}]}]}],"product_status":"active","product_type":"Data Loggers","search_keys":"water temperature","solution":["Stand-alone Data Loggers ","Stand-alone Optical Data Loggers ","Waterproof Stand-alone Data Loggers "],"warranty":"1","warranty_premium":"1","whats_in_the_box":["HOBO U24-002-C Conductivity Data Logger","Communications window protective cap"],"wireless":"non_wireless","digital_item":"0"},[{"nid":"9496","uuid":"4b47dbef-8bee-44f5-959f-1576c1e13b2c","vid":"10341","langcode":"und","revision_timestamp":"1645725751","status":"1","title":"HOBO U24 Conductivity Logger (U24-002-C) User's Manual","created":"1369754981","changed":"1645725751","promote":"0","sticky":"0","default_langcode":"1","revision_default":"1","revision_translation_affected":"1","path":{"alias":"\/resources\/documentation\/16844-man-u24-002-c","pid":"18436","langcode":"und"},"archive_resource":"0","associated_products":["U24-002-C"],"brand":"HOBO","documentation_files":{"English":"https:\/\/dev-d9.onsetcomp.com\/sites\/default\/files\/resources-documents\/16844-G%20U24-002-C%20Manual.pdf","German":"https:\/\/dev-d9.onsetcomp.com\/sites\/default\/files\/resources-documents\/18521-E%20U24-002-C%20Manual%20German.pdf"},"documentation_id":"16844-MAN-U24-002-C","documentation_is_datasheet":"0","resource_type":"Documentation"},{"nid":"10351","uuid":"31ae94b5-3d51-4f72-81b1-e12e1ef23b46","vid":"11196","langcode":"und","revision_timestamp":"1645725702","status":"1","title":"HOBO U24 Conductivity Logger (U24-001 and U24-002-C) Quick Start","created":"1516404564","changed":"1645725702","promote":"0","sticky":"0","default_langcode":"1","revision_default":"1","revision_translation_affected":"1","path":{"alias":"\/resources\/documentation\/22140-man-u24-qsg","pid":"20941","langcode":"und"},"archive_resource":"0","associated_products":["U24-001","U24-002-C"],"brand":"HOBO","documentation_files":{"English":"https:\/\/dev-d9.onsetcomp.com\/sites\/default\/files\/resources-documents\/22140-B%20MAN-U24-QSG-web.pdf"},"documentation_id":"22140-MAN-U24-QSG","documentation_is_datasheet":"0","documentation_short_title":"HOBO U24 Quick Start","resource_type":"Documentation"}]]