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-B 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

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