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HOBO Occupancy/Light Data Logger (UX90-005x/-006x) Manual 

1-800-LOGGERS 3 

www.onsetcomp.com 

Mounting Loops:

 Use the two mounting loops to mount the 

logger with the hook-and-loop strapping (see 

Mounting the 

Logger

). 

Occupancy Sensor:

 This sensor determines whether the room is 

occupied or unoccupied. The UX90-005x model is shown here. 

USB Port:

 Use this port to connect the logger to the computer 

or the HOBO U-Shuttle via USB cable (see 

Setting up the Logger 

and 

Reading Out the Logger

). 

LCD Screen:

 This logger is equipped with an LCD screen that 

displays details about the current status. This example shows all 
symbols illuminated on the LCD screen followed by definitions 
of each symbol in the following table. 

 

LCD Symbol 

Description 

 

The logger is waiting to be launched. Press and 
hold the Start/Stop button for 3 seconds to launch 
the logger. 

 

The logger has been launched with a push button 
stop enabled; press and hold the Start/Stop 
button for 3 seconds to stop the logger. 

Note

: If 

you also launched the logger with a push button 
Start, this symbol will not appear on the display 
for 5 minutes. 

 

The battery indicator shows the approximate 
battery power remaining. 

 

 
 
 

 

If the logger has been configured to stop logging 
when memory fills, the memory bar indicates the 
approximate space remaining in the logger to 
record data. In this example, the logger memory is 
almost full. 

If the logger has been configured to never stop 
logging (wrapping enabled), then a single block 
will blink starting at the left and moving right over 
time. Each block represents a segment of memory 
where the data is being recorded. In this example, 
the middle block is blinking. 

 

The room is occupied. 

 

The room is unoccupied. 

 

The light is on. 

 

The light is off. 

 

The logger is currently logging. 

 

The logger can be calibrated. See 

Calibrating the 

Light Sensor

 for more details. 

 

This shows the signal strength of the light being 
monitored. In this example, the signal strength is 
at full scale. See 

Calibrating the Light Sensor 

for 

more details. 

LCD Symbol 

Description 

Time display when logger is logging: 

This shows the total amount of time the room has 
been occupied or the light has been on since 
logging began, ranging from seconds to days. This 
example indicates the room has been occupied or 
the light has been on for a total of 5 minutes and 
38 seconds. The logger must be launched with the 
LCD set to show “Time” for this symbol to display. 

Time display when logger is stopped: 

This indicates the logger has been configured to 
start logging on a particular date/time. The display 
will count down to the start date/time until 
logging begins. In this example, 5 minutes and 38 
seconds remain until logging will begin. 

 

This shows the percentage of time the room has 
been occupied or the light has been on since 
logging began. This example indicates the room 
has been occupied or the light has been on for a 
total of 24% of the time since logging began. The 
logger must be launched with the LCD set to show 
“%” for this symbol to display. 

The logger has been stopped. 

Notes: 

 

You can disable the LCD screen when logging. Select “Turn 
LCD Off” when setting up the logger as described in the 
next section. When this option is enabled, you can still 
temporarily view the LCD screen by pushing the Start/Stop 
button or Calibration button for 1 second. The LCD will 
then remain on for 10 minutes. 

 

When the logger has stopped logging, the LCD screen will 
remain on until the logger is offloaded to a computer or 
HOBO U-Shuttle (unless launched with the “Turn LCD Off” 
option). Once the logger has been offloaded and 
disconnected from the computer, the LCD will turn off 
automatically after 2 hours. The LCD will turn back on the 
next time the logger is connected to the computer. 

 

If the logger is recording both occupancy and light, the 
LCD screen will cycle between both channels every 10 
seconds. 

 

To save battery life when the occupancy channel is 
enabled, the LCD will shut down if no motion is detected. 
Upon entering the detection zone of the sensor, the LCD 
will turn back on within 1 second of detection. 

Setting up the Logger 

Use HOBOware to set up the logger, including configuring the 
sensor and selecting the start and stop logging options.  

1.

 

Connect the logger and open the Launch Logger window

. To 

connect the logger to a computer, plug the small end of the 
USB cable into the side of the logger and the large end into a 
USB port on the computer. Click the Launch icon on the 
HOBOware toolbar or select Launch from the Device menu.

 

Summary of Contents for UX90-005

Page 1: ...Memory Modes Wrap when full or stop when full Start Modes Immediate push button date time or next interval Stop Modes When memory full push button or date time Time Accuracy 1 minute per month at 25 C 77 F see Plot A Battery Life 1 year typical use Battery Type One 3V CR2032 lithium battery Memory UX90 005 006 128 KB 84 650 measurements maximum UX90 005M 006M 512 KB 346 795 measurements maximum Do...

Page 2: ...ecording Internal Logger Events or to turn the LCD screen on if the option to turn off the LCD has been enabled see Setting up the Logger Battery door Open the battery door not visible in the diagram on the top of the logger to access the logger battery see Battery Information Calibration Button Press this button to calibrate the logger for the light you will be monitoring See Calibrating the Ligh...

Page 3: ... has been on since logging began ranging from seconds to days This example indicates the room has been occupied or the light has been on for a total of 5 minutes and 38 seconds The logger must be launched with the LCD set to show Time for this symbol to display Time display when logger is stopped This indicates the logger has been configured to start logging on a particular date time The display w...

Page 4: ...eading out the logger 6 Set the units to display on the LCD screen Select either Time or 7 If the logger is configured to record runtime choose a logging interval from 1 second to a maximum of 18 hours 12 minutes and 15 seconds 8 Choose when to start logging Now Logging begins immediately At Interval Logging will begin at the next even interval available when logging runtime only On Date Time Logg...

Page 5: ... Recording battery voltage reduces storage capacity and is generally not used except for troubleshooting Calibrating the Light Sensor Each time you place the logger in a new lighted environment you should calibrate it to the light level that you will be monitoring This ensures the logger is accurately determining when the light changes between ON and OFF states There are two calibration methods av...

Page 6: ...p recording data from HOBOware or by pushing the Start Stop button Internal Calibration The logger was calibrated via auto calibration button calibration Host Calibration The logger was calibrated via HOBOware Calibration Failure Calibrating the logger has failed Button Up Button Down The Start Stop button was pressed for 1 second Safe Shutdown The battery level dropped below 2 5 V the logger perf...

Page 7: ...mputer click the Readout button on the toolbar and save the data as prompted Replace the battery before launching the logger again To replace the battery 1 Open the battery door on the top of the logger 2 Use the tab on the built in battery removal tool inside the compartment to remove the battery 3 Place the circular battery removal tool around the negative side of the new battery with the tab up...

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