HOBO MX Temp/RH Data Logger (MX1101) Manual
1-508-759-9500 (U.S. and International) 2
www.onsetcomp.com
1-800-LOGGERS (U.S. only)
Specifications (continued)
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
Size
3.66 x 8.48 x 2.29 cm (1.44 x 3.34 x 0.9 in.)
Weight
56 g (1.98 oz)
Environmental Rating
IP50
The CE Marking identifies this product as complying with all relevant
directives in the European Union (EU).
See last page
*Per RH sensor manufacturer data sheet
Logger Components and Operation
Start/Stop Button:
Press this button for 3 seconds to start or
stop logging data, or to resume logging on the next even
logging interval. This requires configuring the logger in the app
with a push button start or stop, and with Allow Button Restart
selected (see
Configuring the Logger
). You can also press this
button for 1 second to record an internal event (see
Logger
Events
), to silence a beeping alarm (see
Setting up Alarms
),
or
to turn the LCD screen on if the option to turn off the LCD has
been enabled (see
Configuring the Logger
).
Press both the Start/Stop button and the Alarm/Stats button
simultaneously for 3 seconds to reset a logger password.
Alarm/Stats Button
: Press this button for 1 second to switch
between statistics, alarm readings, and the current sensor
readings as applicable or to silence a beeping alarm. Press this
button for 3 seconds to clear a visual alarm if the logger is
configured in the app to maintain the visual alarm until the
alarm button is pressed (see
Setting up Alarms
).
Mounting Loops:
Use the two mounting loops (only one visible
in the diagram) to mount the logger with the hook-and-loop
strap (see
Mounting the Logger
).
Temperature Sensor:
This sensor is located in the lower left
corner of the raised panel to the right of the LCD screen.
RH Sensor:
This sensor is located behind the vented panel in
the logger case to the right of the LCD screen and the
temperature sensor.
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 table on the next page.
LCD Symbol
Description
The logger is waiting to be started or restarted.
Press and hold the Start/Stop button for 3 seconds
to start the logger.
Plot A: Temperature
Accuracy and Resolution
Plot B: Time Accuracy
Alarm/Stats Button
Start/Stop Button
Mounting
Loop
LCD Screen
RH Sensor (behind panel)
Temperature
Sensor
