• Real-time display of temperature and relative humidity
  • Internal Temp/Humidity or External Temp/Humidity sensors
  • 43,000 measurements
  • Measuring range:
    • Temp; -4 to 122°F (-20 to 50°C)
    • RH; 5% to 95% RH (non-condensing)
  • Accuracy:
    • Temp; ±0.36 from 32 to 122°F (±0.2°C from 0 to 50°C)
    • RH; ±3.5% RH from 25% to 95% over range of 41 to 131°F
  • Sampling rate: 1 sec to 18 hr, recording times up to 1 year


The HOBO U14 Series Data Loggers display, record, and provide alarm notifications of temperature and humidity conditions. Receive out-of-range alarm notifications with the optional Auto Dialer, or remote Audible Alarm. These loggers are well-suited for use in manufacturing, processing, and storage environments where reliable monitoring and documentation of specific temperature and relative humidity conditions are critical.