Check the listing for details. Onset MX2302A HOBO Weatherproof External Temperature/RH Data Logger. Condition: New. Listed at 235.00 USD. Subscribe to Our NewsletterOnset MX2302A HOBO Weatherproof External Temperature and Relative Humidity (RH) Data Logger Brand:OnsetModel No:MX2302AOur Model No:MX2302A Product OverviewFeaturesNOTE: This product requires the HOBOmobile App to operateConvenient wireless setup and download via Bluetooth Low EnergyRetrieve data in hard-to-reach locationsVisual alarms alert you to out-of-range conditionsCompact, weatherproof housing with built-in mountingView current data in real time with Onset's free HOBOmobile appShare downloaded data easily from your mobile deviceTemperature SensorRange: -40 to 70�C (-40 to 158�F)Accuracy: �0.25�C from -40 to 0�C (�0.45 from -40 to 32�F); �0.2�C from 0 to 70�C (�0.36 from 32 to 158�F)Rsolution: 0.04�C (0.072�F)Drift: Response Time with RS1/M-RSA (Optional) Solar Shield: 7 minutes, 45 seconds in air moving 1 m/secResponse Time with RS3-B (Optional) Solar Shield: 6 minutes, 30 seconds in air moving 1 m/secResponse Time without Solar Shield: 3 minutes, 45 seconds in air moving 1 m/secRH SensorRange: 0 to 100% RH, -40� to 70�C (-40� to 158�F); exposure to conditions below -20�C (-4�F) or above 95% RH may temporarily increase the maximum RH sensor error by an additional 1%Accuracy: �2.5% from 10% to 90% (typical) to a maximum of �3.5% including hysteresis at 25�C (77�F); below 10% RH and above 90% RH �5% typicalResolution: 0.01%Drift: Memory: 128 KB (63,488 measurements, maximum)Response Time with RS1/M-RSA (Optional) Solar Shield: 30 seconds in air moving 1 m/secResponse Time with RS3-B (Optional) Solar Shield: 30 seconds in air moving 1 m/secResponse Time without Shield: 15 seconds in air moving 1 m/secLoggerRadio Power: 1 mW (0 dBm)Transmission Range: Approximately 30.5 m (100 ft) line-of-sightWireless Data: Standard Bluetooth Smart (Bluetooth Low Energy, Bluetooth 4.0)Logger Operating Rang:e -40� to 70�C (-40� to 158�F)Logging Rate: 1 second to 18 hoursMemory: 128 KB (63,488 measurements, maximum)Time Accuracy: �1 minute per month 0�to 50�C (32� to 122�F)Battery Type 2/3 AA 3.6 Volt lithium, user replaceableDescription The Onset MX2302A HOBO Weatherproof External Temperature and Relative Humidity (RH) Data Logger has external temperature and relative humidity sensors. Leveraging Bluetooth Low Energy, the logger enables easy, fast set up and data download directly from your mobile device, and provides high accuracy measurements in harsh outdoor environments.Included Components1 - Pack of Screws1 - Pack of Cable TiesTerms & ConditionsPlease note estimated delivery time above. Contact us for details or if you have a delivery requirement. We ask for your patience while striving to ensure your shipment arrives quickly and accurately.Domestic ShippingFREE Standard Shipping on items OVER $75 and less than 30lbs to continental U.S. Add $36 for AK, HI, or PR. Please contact us for shipping rates to any overseas US territories including: Northern Mariana Islands, Guam, Puerto Rico, U.S. Virgin Islands and American Samoa.PO Boxes/APOs require USPS shipping and may therefore experience longer lead times6.25% Sales Tax for shipping to MAInternational ShippingDue to international voltage requirements, please ask us prior to purchasing to confirm your product will operate correctly in your country.Please contact us for shipping rates to any overseas U.S. territories.International customers are responsible for all shipping charges, including any duties or taxes.