Hobo U14 Temp/RH Logger w/ alarm output

The HOBO U14 LCD Temperature/Relative Humidity (RH) Data Logger has a display and built-in relay for use with a remote alarm or autodialer to assure timely notification of alarm conditions.


  • Real-time display of Temperature and RH
  • Alarm display and output ensure timely notification of out-of-range conditions
  • Two models to choose from - internal Temp/RH (U14-001) or external Temp or Temp/RH (U14-002)



  • High and low set points for both temperature and relative humidity
  • Selectable delays for each set point.
  • Alert conditions reset on offload or return to normal range.
  • Selectable Contact Relay: Normally Closed or Normally Open
  • Wire size range is 22AWG to 14AWG
  • 0% Low Battery Range Communications
  • Offloads data to PC or U-Shuttle via USB cable



  • Capacity:Temp and RH: 21,500 measurements; Temp Only: 43,000 measurements
  • Size: 33 x 50.8 mm
  • Displays temperature and relative humidity simultaneously
  • Displays °C or °F (selectable within host software)
  • Displays memory remaining and battery level
  • Displays flashing ALERT for out-of-limits conditions (selectable within host software) and stops flashing on offload or return to normal range.
  • Operating temperature range -20°C to +50°C,  0 to 100% RH non-condensing
  • Operating relative humidity range 0 to 95%, non-condensing, noncorrosive environment
  • 3 AAA Alkaline batteries, user-replaceable

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U14 LCD logger

File Size 245KB   Filename onset_hobo_u14_data_loggers.pdf   Download

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