Part Number - CX501

InTemp Bluetooth Low Energy 15 Day Single-Use Temperature Data Logger


Compatible with


The InTemp CX501 Bluetooth® Low Energy data logger is a single-use logger that records temperature data for up to 15 days. Designed for Cold Chain and CRT shipments, the CX501 is ideal for parcel shipments, clinical trials, and expedited risk pharmaceutical shipments.

Using the InTemp app on your mobile device, you can easily configure the CX501 with one of multiple preset configurations, or set up a custom configuration. The logger has a built-in alarm to alert you to excursions. And logger reports can be quickly downloaded to your phone or tablet and uploaded to an InTempConnect® account, where you can analyze and export data as needed.

With the optional CX Gateway, you can get remote notifications of temperature excursions and automatically download data from loggers within range of the device. Learn more about the CX Gateway here.

A 3-Point Certificate of Calibration, valid for one year from date of purchase, provides assurance that the data can be trusted when making important product-disposition decisions.


  • Integrates with mobile and cloud platforms for a 21CFR Part 11 compliant solution
  • Enables fast, remote data transfer; ideal for clinical logistics
  • Eliminates need to open sealed containers to retrieve data
  • Real-time alerts and automatic data downloads with optional CX Gateway device
  • Shortens logger-handling times; no PC or cables required
  • Ensures secure data via encrypted technology
  • Meets GDP requirements for NIST traceable calibration
Country of Origin
United States



Logger Operating Range

-10° to 70°C (-14° to 158°F)

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)

Logging Rate

1 second to 18 hours


CR2032 (CX501) or CR2450 (CX502 and CX503) 3V lithium, not replaceable. Battery for CX501 and CX502 lasts for duration specified when logger is used within the 1-year shelf life. Battery life for the CX503 model is 1 year, typical with logging interval of 1 minute. Faster logging intervals, remaining connected with the InTemp app, excessive downloads, and paging may impact battery life.


Single Use


15 Days

Shelf Life

Up to 1 year


8,800 measurements

Full Memory Download Time

Approximately 30 seconds; may take longer the farther the device is from the logger


6.9 x 4.5 x 1.1 cm (2.71 x 1.76 x 0.42 inches)


22.1 g (0.78 oz)

Environmental Rating


Description: ce

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

Temperature Sensor

Sensor Range

-10° to 70°C (14° to 158°F)


±1.0°C from -10° to -5°C (±1.8°F from 14° to 23°F)
±0.5°C from -5° to 50°C (±0.9°F from 23° to 122°F)
±1.0°C from 50° to 70°C (±1.8°F from 122° to 158°F)


0.04°C (0.072°F)


InTemp CX500 Series Temperature Logger (CX501, CX502, CX503) Manual

InTemp CX500 series loggers measure temperature in transportation monitoring applications.

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Quick Start for the InTemp CX500 Series Loggers (CX501, CX502, CX503)

A quick start guide on how to set-up, configure, start, and deploy your CX500 series logger.

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InTemp System User’s Guide

CX series loggers, the InTemp® app, and InTempConnect™ web-based software work together to form the InTemp temperature monitoring solution.

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