Sensor technology: Reliable recording of quality data.

Thanks to over 60 years’ experience in the manufacture of measurement solutions and sensors, Testo offers all the instruments you need for the monitoring of environmental parameters – whether in manufacturing and storage or along the cold chain. These include temperature and humidity data loggers for automatic temperature recording and alarms.

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Do you have questions, or would you like to experience testo Saveris live on site at your business?


  • Extensive measurement data management of up to 150 probes
  • Intuitive operation thanks to graphic display and intuitive operating concept
  • Flexible interfaces: Radio, Ethernet, USB
  • Reliable alarm management via SMS, e-mail and audible notifications

Radio data loggers

  • Extensive range with internal or external temperature and humidity sensors
  • Flexible positioning of data loggers through wireless communication
  • Available with or without display
  • Real-time measurement data, battery status, and radio transmission quality are shown on the display
  • Storage of measurement data also without connection to base or in case of power loss

Ethernet data loggers

  • Extensive range with internal or external temperature and humidity sensors
  • Ethernet connection for data transfer over large distances
  • Available with or without display 
  • Real-time measurement data, battery status and limit value violations are shown on the display. 
  • Backup storage of measurement data

Analog probes

  • The perfect probe for any application
  • Fast and reliable humidity and temperature measurement in liquids, semi-solid media, ultra-deep-freezers etc.

WiFi data logger

  • Quick installation thanks to the use of already existing WiFi structures
  • The WiFi data loggers can be installed practically anywhere and can be repositioned without effort.
  • Backup storage of measurement data


Digital probes

  • The perfect probe for any application
  • Exchangable probes make calibration and replacement fast and easy



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