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U9-002

HOBO® Light On/Off Data Logger
 
Quantity
1-9
10-99
100+
$US
$70
$65
$59

Note: A complete system requires a logger and software. Sold Separately.


Overview

The HOBO U9 Light On/Off records light on and off status, the light threshold is adjustable from 10 to 100 lumens/m2. The large memory records up to 43,000 on/off changes, making the logger a great tool for monitoring light usage for energy audits.

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Features:
  • Choice of four models that record state changes, lights on/off, motor run-times, and/or events
  • Internal light, motor, and magnetic reed switch sensors
  • State and event channels with external inputs provide extra reliability
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Environment: Indoor
Measurement: Light On/Off
   
 
Product ID: U9-002
Product Name: Light On/Off
Product Type: Data Loggers

Specs

Light threshold: Adjustable from 10 to 100 lumens/m² at 25°C (fluorescent light)

U9-002 Plot A Time accuracy: Approximately ± 1 minute per month at 25°C (77°F); see Plot A

Operating temperature:
Logging: -20° to 70°C (-4° to 158°F)
Launch/readout: 0° to 50°C (32° to 122°F), per USB specification

Humidity range: 0 to 95% RH, non-condensing

Battery life 1 year typical use

Memory 64K bytes (up to 43,000 state changes)

Weight: 25 g (0.8 oz)

Dimensions: 45 x 60 x 20 mm (1.8 x 2.38 x 0.77 inches)

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

Required Items

  • Choice of four models that record state changes, lights on/off, motor run-times, and/or events
  • Internal light, motor, and magnetic reed switch sensors
  • State and event channels with external inputs provide extra reliability

1 Compatible Sensors

  External sensors are not needed for this product.

2 Communications

  Measurement Part #/Name
Communications for the U9-002 
CABLE-USBMB
USB Cable
Qty
1-9
10-99
100+
$US
$9
$8
$7
 
U-DT-1
HOBO® U-Shuttle
Qty
1-9
10-99
100+
$US
$249
$230
$212
 
SERVER-US-4
Ethernet Server for HOBO U-series loggers
Qty
1-9
10-99
100+
$US
$145
$130
$130
 

3 Software

Part #/Name Photo Pricing Buy
Required Software for the U9-002 
BHW-XXXX ->
   
Part #/Name Photo Pricing Buy
BHW-PC
HOBOware® Pro for Windows
Qty
1-9
10-99
100+
$US
$99
$92
$84
Click to view Essential Components and Accessories for the BHW-PC

   
Part #/Name Photo Pricing Buy
Accessories for the BHW-PC 
BHW-DA-GDD-CD
Growing Degree Days
Available for free download
 
BHW-DA-GPP-CD
Grains Per Pound Data Assistant
Available for free download
 
BHW-T-ALRM
Alarm and Readout Tool
Qty
1-9
10-99
100+
$US
$49
$45
$42
 
 
   
BHW-Mac
HOBOware® Pro for Mac
Qty
1-9
10-99
100+
$US
$99
$92
$84
Click to view Essential Components and Accessories for the BHW-Mac

   
Part #/Name Photo Pricing Buy
Accessories for the BHW-Mac 
BHW-DA-GDD-CD
Growing Degree Days
Available for free download
 
BHW-DA-GPP-CD
Grains Per Pound Data Assistant
Available for free download
 
BHW-T-ALRM
Alarm and Readout Tool
Qty
1-9
10-99
100+
$US
$49
$45
$42
 
 
   
BHW-LITE
HOBOware® Lite
Qty
1-9
10-99
100+
$US
$39
$36
$33
 

CLOSE   
 
   

Accessories

Accessories for the U9-002 
HRB-TEMP
Replacement batteries for several loggers (Box of 6)
Qty
1-9
10-99
100+
$US
$14
$13
$12
 

Support

Manual

Part Number Image Name Manuals
U9-002 A MAN U9 002 PDF

Maintenance

  No maintenance items for this product

FAQs

What should I do if the logger's internal board gets wet? [show/hide]

If possible, remove the board from the case and the battery from the board. Dry the board completely using a hair dryer. If the board was exposed to salt water, rinse the board with fresh water and then dry the board. You may try inserting a new battery and downloading the data. If you are unable to access the data, or see any sign of corrosion or tarnishing on the board, contact the place of purchase for a return number. The data may be retrievable, and the logger may be repairable. Charges will apply and are dependent on the amount of damage.

I just bought a Data Logger. When I first plugged them into the USB port, a popup menu for Digital Signature concerning Microsoft asked if I wanted to continue: YES or NO. I said YES to all but one of them and now the computer won't recognize the logger. [show/hide]

Open HOBOWare, plug the logger back in, then click on Start->Settings->Control Panel->System. Click on Hardware->Device Manager and look for the logger listed under: Other Devices or Human Interface Devices — there could be a minus sign beside one of the categories or a yellow exclamation point through the device. The description listed should indicate if it is a HOBO or not. If it is not a HOBO, do not uninstall it, as it may be another USB device. Delete the "other device," then unplug the logger, wait 15 seconds and plug it back in.

Can the data be retrieved from a logger that is not communicating, or a logger that was accidentally re-launched prior to the data being downloaded? [show/hide]

There are two common reasons for data loss:

  1. Relaunching a logger before the data has been saved
  2. Technical problem with the logger itself.

 

The following section discusses data loss and its causes; it also discusses methods of retrieving lost data, and how to insure against data-loss problems.