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InTemp® CX450 Temp/RH Logger Manual 

25186-C 

The InTemp CX450 logger measures temperature and relative humidity (RH) for storage and 
transportation monitoring in the pharmaceutical, life science, and medical industries. 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, download reports, and 
monitor tripped alarms. Or, you can use InTempConnect® to configure and download the 
logger via the CX5000 Gateway. InTempVerify™ app is also available to easily download loggers 
and automatically upload reports to InTempConnect. Use the built-in LCD screen on the logger 
to view the current temperature and humidity, logging status and battery usage, and also to 
check and clear maximum and minimum readings. Once data is uploaded to InTempConnect, 
you can track logger configurations and automatically upload logger data to build custom 
reports for further analysis. 

Specifications 

Temperature Sensor

 

Range 

-30° to 70°C (-22° to 158°F) 

Accuracy 

±0.5°C from -30° to 70°C (±0.9°F from -22° to 158°F) 

Resolution 

0.024°C at 25°C (0.04°F at 77°F) 

Drift 

<0.1°C (0.18°F) per year 

RH Sensor 

Range 

0 to 95% (non-condensing) 

Accuracy 

±3% from 0% to 90% and ±3.5% from greater than 90% typical at 25°C 
(77°F) 

Resolution 

0.01% 

Drift 

<1% per year typical 

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) 

Logger Operating Range 

-30° to 70°C (-22° to 158°F), 0 to 95% RH (non-condensing) 

NIST Calibration 

Two-point NIST calibration included 

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, 
remaining connected with the InTemp app, excessive report generation, 
numerous audible alarms, and paging all impact battery life. 

Memory 

178 KB (103,400 total measurements or 51,700 temp & RH paired 
measurements) 

Full Memory Download 
Time 

Approximately 60 seconds; may take longer the farther the device is 
from the logger 

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 

Dimensions 

9.4 x 5.6 x 2.59 cm (3.7 x 2.21 x 1.02 inches) 

Weight 

90.2 g (3.18 oz) 

Environmental Rating 

IP54 

 

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

 

 

See last page 

 

 

 

InTemp CX450 Temp/RH 
Logger 

Included Items: 

 

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 

 

 

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