Light On/Off Data Logger - UX90-002
Light On/Off Data Logger - UX90-002
Light On/Off Data Logger - UX90-002


Light On/Off Data Logger

Sale priceR 2,420.00
Do you require extended memory?:No

The HOBO Light On/Off data logger monitors indoor light changes with an internal sensor and records light on and off conditions, making it ideal for building energy audits and light usage analysis.

The HOBO UX90-002 Light On/Off Data Logger is available in a standard 128 KB memory model (UX90-002) capable of 84,650 measurements and an expanded 512KB memory version (UX90-002M) capable of over 346,795 measurements.

Download the specification documents

Data Sheet

User Manual

Highlighted Features


  • Auto-calibration of ON and OFF thresholds ensures reliable readings
  • User adjustable sensitivity control for low/high light level conditions
  • Highly recommended light pipe accessory eliminates effects of ambient light to ensure the most accurate readings
  • Compatible with HOBOware and HOBOware Pro software for logger setup, graphing and analysis



In what environment does this data logger operate?

This data logger operates in an indoor environment.

What measurements does this data logger support?

The UX90-002 data logger supports the following measurement: Light On/Off


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