Choosing an Occupancy and Light On/Off Data Logger – 5 Important Considerations

Learn how to select the right logger for identifying ideal locations in your building where permanent changes in lighting could result in cost savings up to 80%.

The HOBO UX90 Occupancy & Light data loggers monitor room occupancy and indoor light changes to identify occupancy patterns and determine energy usage and potential savings. The UX90 is available in a standard 128 KB memory model (UX90-006) capable of 84,650 measurements and an expanded 512KB memory version (UX90-006M) capable of over 346,795 measurements.

  • Measures room occupancy up to 12 meters away
  • Auto-calibration of ON and OFF thresholds ensures reliable readings
  • LCD screen displays signal strength, enabling proper logger placement
  • Highly recommended light pipe accessory eliminates effects of ambient light to ensure the most accurate readings


Download the white paper for tips on choosing an occupancy and light on-off data logger.


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