1 Channel Light On/Off Data Logger
Onset HOBO Logger Recording Light On and Off Conditions
U9 Light On/Off data logger can record up to 43,000 light (on/off) changes using the built-in light sensor. The logger features push-button or programmable start times, 1 year user-replaceable battery and a sensitivity threshold
adjustable from 10 to 100 lumens/m2 . Best used when trying to determine the on and off
states of a particular light source.
Required with the Light Data Logger HOBOware™ Software Kit
Included with each Light Data Logger
NOTE: Large Quantity Discounts Are Available!
Features Specifications Software Tutorials
Description Part Number Qty 1-9 Qty 10+
HOBO U9 Light On-Off Data Logger
U9-002
$75.00
$69.00
Required Software Kits - 1 Required (Compare HOBOWare Versions )
**OPEN BOX** HOBOware Lite Software and USB Cable for Windows/Mac - (Limited Quantity - 1 Available)
BHW-LITE-CD--U--
$45.00 $36.00 call
HOBOware Lite Software Kit for Windows/Mac (includes Software and Cable)
BHW-LITE-CD
$45.00
call
HOBOware Pro Software Kit for Windows/Mac (includes Software and Cable)
BHW-PRO-CD
$99.00
$92.00
Optional Accessories
Real-Time Alarm Software for notifications (email,pager,cell,text) - Requires HOBOware Pro software
BHW-T-ALRM
$55.00
call
Onset U-Shuttle Data Transporter (Requires HOBOware Pro Software)
U-DT-1
$260.00
call
Extra/Replacement Batteries (pack of 5) - CR2032 Lithium Batteries
HRB-TEMP-5
$10.00
$8.00
Keyspan USB Server for connecting USB-based Devices ( Data Logger ) over a LAN
US-4A
$129.00
call
Custom USB Interface Cable
Cable-USBMB-HS
$9.00
$8.00
Glacier Clear Xtreme Protective Case (3.93" x 2.4" x 0.94")
T1000.1
$9.00
call
Blue Xtreme Protective Case (3.93" x 2.4" x 0.94")
T1000.4
$9.00
call
Light On/Off Data Logger Features
Numerous event types (button push/release, host PC connection, low battery)
stored to data file asynchronously during logging
Requires HOBOware Software and USB Kit ( Available in PC and MAC Versions)
Light On/Off Data Logger Specifications
Channels 1 Light On-Off Channel
Light Threshold Adjustable from 10 to 100 lumens/m² at 25°C (fluorescent light).
The sensor’s sensitivity to incandescent light is about ten
times greater.
Time Accuracy Approximately ±1 minute per month at 25°C (77°F)
Operating Range Logging : -20°C to 70°C (-4°F to 158°F); 0 to 95% RH,
non-condensingLaunch/Readout : 0°C to 50°C (32°F to 122°F), per USB
Battery CR2032 Type Lithium Battery
Battery Life 1 Year Typical Use (User Replaceable)
Data Storage Capacity 43,000 State On/Off Changes (Samples)
Standards Compliance CE
Weight 25 g (0.8 oz)
Dimensions 2.4 x 1.9 x 0.8"(6.0 x 4.7 x 1.9 cm)
HOBOWare Software Video Tutorials
How to Launch a HOBO Data Logger using HOBOware Pro Software
How to Readout a HOBO Data Logger using HOBOware Pro
Check Out More HOBOWare Software Tutorials.
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All prices are in U.S. Dollars.
The 
Programmable start time/date or push-button start 