InTemp® CX400 Series Temperature Logger Manual
InTemp CX400 series loggers measure temperature in indoor monitoring applications. Designed
to meet World Health Organization (WHO) and Centers for Disease Control and Prevention
(CDC) guidelines, this logger is ideal for clinical applications, such as vaccine storage and
pharmaceutical manufacturing. This Bluetooth® Low Energy-enabled logger is designed for
wireless communication with a mobile device. Using the InTemp app, you can easily configure
the logger with one of four preset configurations designed for ambient storage, clinical
refrigerator, freezer, or refrigerator monitoring or you can set up a custom configuration for
other applications. You can also quickly perform daily logger checks, download reports, and
monitor tripped alarms. Use the built-in LCD screen to check the current temperature, daily
maximum or minimum temperatures, logging status, battery use, and more. You also have the
option to use InTempConnect™ to track logger deployments and automatically upload logger
data to build custom reports for further analysis. The CX402 model uses a 2- or 4-meter probe
and is available with a 5, 15, or 30 mL glycol bottle (bottle holder included). It also contains an
internal sensor for ambient temperature monitoring. The CX403 model is available with an
internal sensor only.
InTemp CX400 Temperature
Loggers
Models:
• CX402-T205 & CX402-VFC205,
2 meter probe and 5 mL glycol
bottle
• CX402-T215 & CX402-VFC215,
2 meter probe and 15 mL
glycol bottle
• CX402-T230 & CX402-VFC230,
2 meter probe and 30 mL
glycol bottle
• CX402-T405 & CX402-VFC405,
4 meter probe and 5 mL glycol
bottle
• CX402-T415 & CX402-VFC415,
4 meter probe and 15 mL
glycol bottle
• CX402-T430 & CX402-VFC430
4 meter probe and 30 mL
glycol bottle
• CX402-T2M, CX402-B2M, &
CX402-VFC2M, 2 meter probe
• CX402-T4M, CX402-B4M, &
CX402-VFC4M, 4 meter probe
• CX403
Included Items:
• Double-sided tape (for models
with glycol bottles)
• Two AAA 1.5 V alkaline
batteries
• Battery door and screw
• NIST Certificate of Calibration
Required Items:
• InTemp app
• Device with iOS or Android™
and Bluetooth
Specifications
External Temperature Probe
Range -40° to 100°C (-40° to 212°F)
Accuracy CX40x-Txxx and CX402-BxM:
Resolution 0.024°C at 25°C (0.04°F at 77°F)
Drift <0.1°C (0.18°F) per year
Response Time Probe only: 1 minute 30 seconds typical to 90% in air moving 1 m/s
NIST Calibration CX40x-Txx and CX402-BxM: Single point NIST calibration, probe and
Cable Length 2 or 4 meter (6.56 or 13.12 feet) flat ribbon cable
Probe Dimensions Food-grade stainless steel probe with pointed tip, 53.34 mm (2.1 inches)
Ambient Temperature Sensor
Range -30° to 70°C (-22° to 158°F)
Accuracy CX40x-Txxx and CX402-BxM:
Resolution 0.024°C at 25°C (0.04°F at 77°F)
Drift <0.1°C (0.18°F) per year
Response Time 15 minutes typical to 90% in air moving 1 m/s
Logger
Radio Power 1 mW (0 dBm)
Transmission Range Approximately 30.5 m (100 ft) line-of-sight
Wireless Data Standard Bluetooth Low Energy (Bluetooth Smart)
±1.0°C from -40° to -15°C (±1.8°F from -40° to 5°F)
±0.5°C from -15° to 80°C (±0.9°F from 5° to 176°F)
±0.7°C from 80° to 100°C (±1.3°F from 176° to 212°F)
CX40x-VFCxxx:
±1.0°C from -40° to -22°C (±1.8°F from -40° to -8°F)
±0.5°C from -22° to 50°C (±0.9°F from -8° to 122°F)
±1.0°C from 50° to 100°C (±1.8°F from 122° to 212°F)
With 5 mL bottle: 10 minutes typical to 90% in air moving 1 m/s
With 15 mL bottle: 20 minutes typical to 90% in air moving 1 m/s
With 30 mL bottle: 25 minutes typical to 90% in air moving 1 m/s
logger body
CX40x-VFCxxx: Single point NIST calibration, probe only
long, 3.18 mm (0.125 inches) diameter
±0.5°C from -15° to 70°C (±0.9°F from 5° to 158°F)
±1.0°C from -30° to -15°C (±1.8°F from -22° to 5°F)
CX40x-VFCxxx:
±1.0°C from -30° to -22°C (±1.8°F from -22° to -8°F)
±0.5°C from -22° to 50°C (±0.9°F from -8° to 122°F)
±1.0°C from 50° to 70°C (±1.8°F from 122° to 158°F)
19996-H
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InTemp CX400 Series Temperature Logger Manual
Specifications (continued)
Logger Operating Range -30° to 70°C (-22° to 158°F), 0 to 95% RH (non-condensing)
Logging Rate 1 second to 18 hours
Time Accuracy ±1 minute per month at 25°C (77°F)
Battery Type Two AAA 1.5 V alkaline or lithium batteries, user replaceable
Battery Life 1 year, typical with logging interval of 1 minute. Faster logging intervals,
Memory 128 KB (84,650 measurements, maximum)
Full Memory Download
Time
LCD LCD is visible from 0° to 50°C (32° to 122°F); the LCD may react slowly or
Dimensions 9.4 x 4.5 x 2.59 cm (3.7 x 1.77 x 1.02 inches)
Weight 90.2 g (3.18 oz)
Environmental Rating IP54
Passed RTCA DO160G, part 21H
remaining connected with the InTemp app, excessive report generation,
numerous audible alarms, and paging all impact battery life.
Approximately 60 seconds; may take longer the farther the device is
from the logger
go blank in temperatures outside this range
The CE Marking identifies this product as complying with all relevant
directives in the European Union (EU).
See last page
Logger Components and Operation
Alarm LED
LCD
Audible alarm
speaker
Start button
External
temperature
probe (CX402
models only)
Start Button: Press this button for 1 second to start the logger
when it is configured to start “on button push.”
Mute or Next Button: Press this button for 1 second to mute a
beeping alarm (see Logger Alarms). For CX402 loggers, press
this button for 1 second to switch between the external probe
and ambient internal sensor temperature readings.
Magnets: There are four magnets on the back of the logger (not
shown in diagram) for mounting.
Temperature Sensor: This internal sensor measures ambient
temperature.
External Temperature Probe: This is the probe that is plugged
into the logger for measuring temperature (CX402 models
only).
Audible Alarm Speaker: This is the speaker for the audible
alarm that beeps when an alarm is tripped or the external
probe is removed (if applicable).
Temperature
sensor (behind
rectangular
plug)
One of four
magnets (on
back of logger)
Mute or Next
button
Alarm LED: This LED blinks every 5 seconds when an alarm is
tripped or the external probe is removed (if applicable). See
Logger Alarms.
LCD: This screen shows the latest temperature reading 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 temperature
reading is outside the specified range
The logger has been configured to perform daily or
twice daily checks (twice daily is shown in this
example), but no checks have been performed yet.
The once daily or twice daily logger check (twice in
this example) has been performed.
This indicates how much memory has been used
for the current deployment. In this example,
approximately 40 percent of the memory has been
used.
This shows the approximate battery power
remaining.
1-800-LOGGERS 2
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