Error
  • JUser: :_load: Unable to load user with ID: 42

HOBO U9 Light On-Off Data Logger

 

The 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
>> Mounting Kit with Magnet 
>> Hook and Loop Tape 
>> 3/8" Double-Sided Tape

NOTE: Large Quantity Discounts Are Available!

Light On/Off Data Logger Features

  • Programmable start time/date or push-button start
  • 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-condensing
Launch/Readout: 0°C to 50°C (32°F to 122°F), per USB
specification
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)


Description Part Number
HOBO U9 Light On-Off Data Logger U9-002
Required Software Kits - 1 Required (Compare HOBOWare Versions)
HOBOware Lite Software Kit for Windows/Mac (includes Software and Cable) BHW-LITE-CD
HOBOware Pro Software Kit for Windows/Mac (includes Software and Cable) BHW-PRO-CD
Optional Accessories
Onset U-Shuttle Data Transporter (Requires HOBOware Pro Software) U-DT-1
Extra/Replacement Batteries (pack of 5) - CR2032 Lithium Batteries HRB-TEMP-5
Custom USB Interface Cable CABLE-USBMB-HS
Glacier Clear Xtreme Protective Case (3.93" x 2.4" x 0.94") T1000.1
Blue Xtreme Protective Case (3.93" x 2.4" x 0.94") T1000.4

Application Notes (pdf)

Understanding the Differences Between State, Event and Pulse Datalogging