HOBO Light On/Off Data Logger
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H06-002-02 HOBO Light On/Off Data Logger
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Part # H06-002-02

HOBO Light On/Off Data Logger




The light intensity threshold monitored is adjustable from approximately 10 to 100 lumens. The HOBO's light sensitivity is peaked in the forward direction and can be taken advantage of to minimize the effect of other light sources when trying to determine the on/off state of a particular light source.

  • Time resolution: 0.5 second
  • Time accuracy: ±1 minute per week at +20°C (+68°F)
  • Programmable start time/date


In what environment does this data logger operate?

This data logger operates in an indoor environment.

What measurements does this data logger support?

The H06-002-02 data logger supports the following measurement: Light On/Off

The country of origin for this product is the United States. To see the full specifications for this product, please see our product manual found under the documentation tab if available.

Minimum state duration: 0.5 seconds
Time accuracy: approx. ±1 minute per week (±100 ppm at +68°F), accuracy detail shown in plot in manual
Capacity: 2,000 state changes (requires 8K of memory in HOBO Shuttle to fully offload)
Operating temperature: -4°F to +158°F (-20°C to +70°C)
Relative humidity range: 0 to 95%, non-condensing, non-fogging
Size/weight: 2.4" x 1.9" x 0.8"/approximately 1 oz.
Battery: CR-2032 (lithium); provides one year of continuous use; user-replaceable
Storage temperature: -40°F to +167°F (-40°C to +75°C)

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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.

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