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.
Item number UX90-002M has been discontinued.
Auto-calibration of ON and OFF thresholds ensuresreliable readings
User adjustable sensitivity control for low/highlight level conditions
Highly recommended lightpipe accessory eliminates effects of ambient light toensure the most accurate readings
Compatible with HOBOware and HOBOware Pro softwarefor 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
Light threshold: > 65 lux
Light type: LED, CFL, fluorescent, HID, incandescent, natural
UX90-002- Temperature Specification ChartTime accuracy: ±1 minute per month at 25°C (77°F) (see Plot A)
Battery life: 1 year typical use
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)