HOBO Light On/Off Data Logger

Important Info

Overview

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.

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

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

Specifications

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

Compatible Items

SOFTWARE
Graphing & Analysis

• BHW-PRO HOBOware Pro CD or USB Drive (USB Cable Included) Software 

Kilowatt Hours

• T-WNB-3D-240 WattNode 208/240 VAC 3-phase Delta/Wye kWh Transducer Sensor 
• T-WNB-3D-480 WattNode 480 VAC 3-phase Delta/Wye kWh Transducer Sensor 
• T-WNB-3Y-208 WattNode 208/240 VAC 1,2, or 3 Phase Wye kWh Transducer Sensor

 Motor On/Off

• CSV-A8 AC Current Switch Sensor

Water Flow

• T-MINOL-130-NL No-lead Water Flow Meter Sensor

COMMUNICATIONS
Communication Cables

• CABLE-USBMB USB Cable

Data Offload - Base Stations - Shuttles - Couplers

• U-DT-1 HOBO U-Shuttle

MAINTENANCE
Batteries

• HRB-TEMP-1 Replacement batteries (Pack of 5)

Video