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The InTemp CX502 Bluetooth® Low Energy data logger is a single-use logger that records temperature data for up to 90 days. Designed for Cold Chain, CRT, and Frozen shipments, the CX502 is ideal for sea container, long haul, and parcel shipments.

Using the InTemp app on your mobile device, you can easily configure the CX502 with one of multiple preset configurations, or set up a custom configuration. The logger has a built-in alarm to alert you to excursions. 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 5000 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.

Highlighted Features;

  • 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


Download Literature

    HH Solutions CX 500 Data Sheet

    HH Solutions CX 500 Series Quick Setup Guide

    HH Solutions CX 500 Series 21 CFR Part 11 Compatability



Logger Operating Range

-30° to 70°C (-22° 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


90 Days

Shelf Life

Up to 1 year


14,000 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) 


25.5 g (0.90 oz)

Environmental Rating


CE Compliant

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



Temperature Sensor

Sensor Range

-30° to 70°C (-22° to 158°F) 


±1.0°C from -30° to -5°C (±1.8°F from -22° 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) 


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