Optional with calibration
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UX90-002
Light ON/OFF data logger
The Hobo UX90-002 is a Light On / Off data logger. The UX90-002 records indoor light changes with an internal sensor, ideal for building energy audits and light usage analysis.
Technical specifications
Environment: Indoor
Measurements: Light On/Off
Range: Light Threshold: 65 lux - Light Type: LED, CFL, fluorescent, HID, incandescent, natural
Operating Logging Range: -20° to 70°C (-4° to 158°F): 0 to 95% RH (non-condensing)
Launch/readout: 0° to 50°C (32° to 122°F) per USB specification
Memory: 128KB (84,650 measurements) or 512KB (346,795 measurements)
Additional information: Auto-calibration of ON and OFF thresholds ensures reliable readings
User adjustable sensitivity control for low/high light level conditions
Optional light pipe eliminates effects of ambient sunlight or other
lighting sources
Replacement for: H06-002-02, U9-002