HOBO Light On/Off Data Logger (346.795 measurements)

Reference UX90-002M

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.

Description
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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

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

Light threshold: > 65 lux
Light type: LED, CFL, fluorescent, HID, incandescent, natural
Time accuracy: ±1 minute per month at 25°C (77°F) (see Plot A)
Battery life: 1 year typical use

Memory
UX90-002: 128 KB (84,650 measurements, maximum)
UX90-002M: 512 KB (346,795 measurements, maximum)

Download type: USB 2.0 interface
Download time: 10 seconds for 128 KB; 30 seconds for 512 KB

Logger Operating Range
Logging: -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

LCD: LCD is visible from: 0° to 50°C (32° to 122°F); the LCD may react slowly or go blank in temperatures outside this range
Size: 3.66 x 5.94 x 1.52 cm (1.44 x 2.34 x 0.6 in.)
Weight: 23 g (0.81 oz)
Environmental rating: IP50

Description: ce - The CE Marking identifies this product as complying with all relevant directives in the European Union (EU)

UX90-002M Data Logger Datasheet

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UX90-002 Manual

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Onset

UX90-001

The HOBO State/Pulse/Event/Runtime data logger records state changes,electronic pulses and mechanical or electrical contact closures from external sensing devices. This data logger is ideal for monitoring energy consumption, mechanical equipment operation, and water and gas flow. The HOBO UX90-001 State Data Logger is available in a standard 128 KB memory...

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