Specifications

InTemp CX450 Temperature/RH Logger Manual
1-800-LOGGERS 2 www.onsetcomp.com
Logger Components and Operation
Logger Front View
Logger Back View
Start Button: Press this button for 3 seconds to start the logger
when it is configured to start “on button push.” You can also
press this button for 1 second to bring the logger to the top of
the list in the app. Press and hold both buttons on the logger
simultaneously for 3 seconds to clear the minimum and
maximum values on the LCD (see Minimum and Maximum
Values).
Next or Mute Button: Press this button for 1 second to switch
between the temperature and humidity readings on the LCD.
You can also press this button for 1 second to mute a beeping
alarm (see Logger Alarms). Press and hold both buttons on the
logger simultaneously for 3 seconds to clear the minimum and
maximum values (see Minimum and Maximum Values).
Sensor Housing: Both the temperature and RH sensors are
located within the housing that protrudes from the case.
Audible Alarm Speaker: This is the speaker for the audible
alarm that beeps when an alarm is tripped. See Logger Alarms.
Alarm LED: This LED blinks every 5 seconds when an alarm is
tripped. See Logger Alarms.
Magnets: Use the four magnets on the back for mounting the
logger.
Vent: This is a membrane-covered vent for proper sensor
operation. Do not remove the protective membrane.
LCD: This screen shows the latest sensor readings and other
status information. The LCD screen refreshes at the same rate
as the logging interval. The example shows all symbols
illuminated on the LCD screen followed by a table with
descriptions of each symbol.
LCD Symbol
Description
An alarm has tripped because the sensor reading
is outside the specified range. See Logger Alarms.
This indicates how much memory has been used
for the current configuration. In this example,
approximately 40 percent of the memory has been
used.
This shows the approximate battery power
remaining.
The logger is currently logging.
The logger is currently connected to a phone or
tablet via Bluetooth. The more bars there are, the
stronger the signal.
The logger is waiting to be started. Press and hold
the Start button for 3 seconds to start the logger.
This is an example of a temperature reading.
This is an example of an RH reading.
These are examples of minimum temperature and
RH readings. Press and hold both buttons on the
logger simultaneously for 3 seconds to clear the
minimum and maximum values on the LCD. See
Minimum and Maximum Values for additional
details.
These are examples of the maximum temperature
and RH readings. Press and hold both buttons on
the logger simultaneously for 3 seconds to clear
the minimum and maximum values on the LCD.
See Minimum and Maximum Values for additional
details.
or
MUTE indicates an alarm is beeping. Turn off the
beeping alarm by pressing the Mute button. The
LCD then changes to MUTED.
The audible alarm has been muted.
The logger has been configured to start logging on
a delay. The display will count down in days,
hours, minutes, and seconds until logging begins.
In this example, 5 minutes and 38 seconds remain
until logging will begin.
The profile settings are being loaded onto the
logger from the app.
An error occurred while loading the profile
settings onto the logger from the app. Try
reconfiguring the logger.
The logger was paged from the app.
The logger has been downloaded and stopped
with the app or because the memory is full.
Mute or Next
button
Magnets
LCD
Alarm LED
Start button
Audible
alarm
speaker
Magnets
Sensor Housing