HOBO Temperature/Relative Humidity 3.5% Data Logger - eucatech Store
HOBO Temperature/Relative Humidity 3.5% Data Logger - eucatech Store
HOBO Temperature/Relative Humidity 3.5% Data Logger - eucatech Store


HOBO Temperature/Relative Humidity 3.5% Data Logger

Sale priceR 3,297.28
SKU: UX100-003



Integrated sensors to measure and record temperature and relative humidity (within 3.5% accuracy) in indoor environments. This logger is ideal for monitoring occupant comfort in office buildings, tracking food storage conditions in warehouses, logging temperature trends in server rooms, and measuring humidity levels in museums.



Data Sheet
User Manual


Highlighted Features

  • Easy-to-view LCD display
  • Large memory capacity
  • Visual high & low alarm thresholds
  • Burst and Statistics logging modes
  • User-replaceable Relative Humidity sensor
  • Compatible with HOBOware and HOBOware Pro software for logger setup and graphing & analysis


Temperature Sensor:

  • Range: -20°C to 70°C / -4°F to 158°F
  • Accuracy: ±0.21°C from 0°C to 50°C / ±0.38°F from 32°F to 122°F, see manual for plot
  • Resolution: 0.024°C at 25°C / 0.04°F at 77°F, see manual for plot
  • Response Time: 4 minutes in air moving 1 m/s (2.2 mph)
  • Drift: <0.1°C per year / 0.18°F per year

RH Sensor:

  • Range: 15% to 95% (non-condensing)
  • Accuracy: ±3.5% from 25% to 85% including hysteresis at 25°C (77°F); below 25% and above 85% ±5% typical
  • Resolution: 0.07% at 25°C (77°F) and 30% RH
  • Response Time: 43 seconds to 90% in airflow of 1 m/s (2.2 mph)
  • Drift: <1% per year typical


  • Logger Operating Range:

    • Logging: -20°C to 70°C / -4°F to 158°F; 0 to 95% RH (non-condensing)
    • Launch/Readout: 0°C to 50°C / 32°F to 122°F per USB specification
  • Logging Rate: 1 second to 18 hours, 12 minutes, 15 seconds

  • Logging Modes: Fixed interval (normal), burst, or statistics

  • Memory Modes: Wrap when full or stop when full

  • Start Modes: Immediate, push button, date & time, or next interval

  • Stop Modes: When memory full, push button, or date & time

  • Restart Mode: Push button

  • Time Accuracy: ±1 minute per month at 25°C (77°F)

  • Power Source: One 3V CR2032 lithium battery and USB cable

  • Battery Life: 1 year, typical with logging rate of 1 minute and sampling interval of 15 seconds or greater

  • Memory: 128 KB (84,650 measurements, maximum)

  • Download Type: USB 2.0 interface

  • Full Memory Download Time: 20 seconds

  • LCD: LCD is visible from 0°C to 50°C / 32°F to 122°F; the LCD may react slowly or go blank in temperatures outside this range

  • Size: 3.66 x 8.48 x 1.52 cm / 1.44 x 3.34 x 0.6 in.

  • Environmental Rating: IP50


In what environment does this data logger operate?

This data logger operates in an indoor environment.

What measurements does this data logger support?

The UX100-003 data logger supports the following measurements: Relative Humidity and Temperature

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