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Onset HOBO U23 Weatherproof Temperature Humidity Data Logger with External Sensors



Pro V2 Weatherproof Temperature & Humidity Data Logger with External Sensors

Onset HOBO 2 External Channel Data Logger Measuring and Recording Temperature and Relative Humidity

Part Number: U23-002

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  • External Temperature and Humidity Sensors

  • -40°C to 70°C Temperature Measurement Range with ±0.2°C Accuracy

  • 0 to 100% RH Measurement Range with ±2.5% RH Accuracy

  • 3 Year User-Replaceable 1/2 AA 3.6 Volt Lithium Battery

  • Stores up to 42,000 Recorded Temperature Readings

  • Weatherproof Housing for Use in Outdoor or Condensing Environments


Requires Communication Device BASE-U-4 Optic USB Base Station or U-DTW-1 Waterproof Shuttle (U-DTW-1 Requires HOBOware Pro BHW-PRO-DLD)

Please allow 3-5 days for this item to ship.

$199.00

All Calibration Orders Have a 5 to 7 Business Day Lead Time
1 Year Calibration Due Date Unless Otherwise Specified

* Required Fields

$199.00

Onset HOBO® U23-002 Pro V2 Weatherproof Data Logger Specifications

Temperature Range: -40°C to 70°C (-40°F to 158°F)
Accuracy:± 0.21°C from 0°C to 50°C (±0.38°F from 32°F to 122°F
Resolution: 0.02°C at 25°C (0.04°F at 77°F)
Relative Humidity Range: 0-100% RH, -40°C to 70°C (-40 to 158 F)
Accuracy:± 0.21°C from 0°C to 50°C (±0.38°F from 32°F to 122°F
Resolution: 0.02°C at 25°C (0.04°F at 77°F)
Data Storage Capacity 21,000 Temperature and RH Readings
Sampling Rate 1 Second to 18 Hours (Fixed Rate or Multiple Logging Intervals, with up to 8 User Defined Logging Intervals and Durations)
Real-time Clock ±1 Min/Month 0°C to 50°C (-32°F to 122°F)
Response Time 5 Minutes (Typical to 90% in Air Moving 1 m/sec)
Stability (Drift) <1% and <0.1°C per Year Typical
Battery Life 3 Years Typical (with Sample Rate of 1 Minute or Greater)
Battery 1/2 AA 3.6 Volt Lithium Battery, User-Replaceable
Software Compatibility HOBOware PRO Version 3.5+
OS Compatibility Windows: Windows 10, 8.1, 8 and 7
Mac: OS X 10.9.x, 10.10.x and 10.11.x
Materials ASA Styrene Polymer Housing; Modified Hydrophobic Polyethersulfone Membrane
Standards Compliance NEMA 4 Equivalent (Splash-Resistant), CE
Weight 118 grams (3.1 oz)
Dimensions 102 x 38 mm (4.0" x 1.5")

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