Reliable RF Loggers

RF loggers are small, credit-card sized devices that are able to automatically measure various environmental conditions

Reasons to Choose Blulog RF Loggers


Be Confident of Measurements

Our Swiss-made, sensitive sensors have a 0,2°C precision between 0°C and 30°C and 0,4°C between -30°C and +70°C

big memory, big battery

Less Replacements, Less Hassle

Our RF loggers can last even 5 years (with a 10 minute measurement interval) and store up to 5,000 measurements, saving you time


Verified Quality, Less Headache

Our RF loggers are compliant with CE standards


Prevent from Data Stealing or Modification

Thanks to the HTTPS protocol with SSL your data is secure

small size

Easy-to-Integrate Size

Directly integrate the logger inside any kind of container or pallet. It’s small, it’s convenient and it’s secure


Convenient Wireless Connection

Our loggers can send the signal within 700 meters in free space to the hub via radio frequency


Save Money on Replacements

The loggers are resistant to weather conditions and mechanical damage giving you peace of mind

simple installation

Enjoy Plug & Play Simplicity

With already pre-configured and added to the cloud devices, installation couldn’t be easier!

What’s Currently Available?


USB Single-Use Loggers

Although a low cost solution, it comes with a couple of disadvantages, like manual PDF exporting and limited customization


Wired Systems

Big performance and stability, but usually complicated installation and rather high total cost including subscription


NFC Loggers

Low cost but it comes with its own inconveniences, like it requires to scan the loggers manually in order to read data and upload it to the cloud

Play Video

How RF Monitoring System Works?

This video will guide you for the installation of the Blulog RF temperature monitoring solution, whether for monitoring of fridges, cold rooms, or during transport.

Sensor Types









Competitors Blulog
Temperature precision 0.5°C - 1°C 0.1°C
Battery life typically up to 2 years or need big batteries 1 - 5 years
range Typically limited from 10 to 300 meters Up to 700 meters in free range
Real-time alerts Many do not Via email or SMS
Delayed start
Customizable programming limited
Memory typically <1,000 measurements Up to 5,000 measurements
Resistant to weather conditions typically
Resistant to mechanical damage limited
security typically AES128 encryption, SSL and HTTPS protocols
Availability usually limited areas and countries all areas and countries
Personalization typically Own logo printed on the logger label
Daria Roszczyk-Krowicka
Sales & Marketing

Embrace End-to-End Visibility with RF Technology—Don’t Wait!

Data Sheets

Technical Specs
Temperature range -40°C to +60°C or -30°C to +70°C or 0°C to +100°C or +20°C to +120°C or -100°C to +100°C
Humidity range 0% to 100%
Temperature accuracy +/- 0.2°C from 0°C to +30°C (typically) and
+/- 0.5°C for the rest of the range
or +/- 0.5°C for the whole range
or +/- 0.6% of temperature
Humidity accuracy +/- 2% from 20% to 80% (typically)
RF frequency 869.0 MHz for Europe
920.9 MHz for USA, Asia, Brasil, etc.
Validity 1 year - 5 years
Resolution 0.1°C
Probes Sharp, flat, standard or PT-1000
Intervals From 1 min to 2 hours (custom set up)
Radio range Up to 700m in free space
Memory 5,000 records with automatic rollover
Power supply Internal battery
Dimensions 98mm x 70mm x 15mm or 80mm x 50mm x 5mm or 40mm x 80mm x 20mm or 103mm x 60mm x 12mm
IP 67 or 44
Housing material Polycarbonate or Pet g or plastic or ABS
Equipment Needed 2G hub, Ethernet hub, NFC reader, Android smartphone with NFC or iPhone with NFC
  • Resistant to mechanical damage
  • Automated measurements stored in internal memory
  • Immediate/delayed start
  • Waterproof probe
  • NFC & RF technology

5 Mistakes to Avoid

While Choosing Your Monitoring Solution

Confused which monitoring solution to choose? Get this no-fluff report with valuable insights to save time & money!

The administrator of your personal data will be “Blulog Sp. z o.o.”, Konarzewska 4 street, 60-101 Poznań, Poland, Tax Identification Number: 7792427403. You can find details regarding data processing in the Privacy Policy. You will be able to withdraw your consent at any time.

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The administrator of your personal data will be Jérémy Laurens, who runs a business under the name "Blulog Sp. z o.o.", Konarzewska 4 Street, 60-101 Poznań, Poland, Tax Identification Number: X. You can find details regarding data processing in the Privacy Policy. You will be able to withdraw your consent at any time.