No surprises.
Monitor relevant environmental parameters in your facilities automatically, reliably and safely. For stable processes, efficient operations and full control over your business.

Reliable climate monitoring
for industrial environments.
Accurate measurement of critical environmental parameters is an important prerequisite for stable processes, consistent quality and efficient energy use.
Testo's monitoring solutions enable effective and reliable control over the indoor environment.

Ensure safety in the warehouse
The right environmental conditions help protect sensitive goods and enable compliance with documentation requirements.

Increasing comfort in the office
A comfortable indoor climate promotes concentration, contributes to a healthy work environment and increases well-being.

Optimizing production
Stable environmental conditions enable smooth processes and consistent product quality.

Protecting systems in server rooms
Controlled conditions ensure stable IT operations, prevent downtime and protect sensitive data.

Maximum reliability. Minimum effort.
Connected data logger system.
Climate monitoring that takes care of itself: the connected data loggers connect to testo Smart Connect - a cloud service for real-time measurements, smooth documentation and full traceability. Thanks to automatic and continuous data logging as well as alarms via push notifications or e-mail, you can detect deviations immediately and act in time. All data is also available in the testo Smart App.
Simple and precise.
The testo 174 mini data loggers are designed for reliable monitoring of temperature and humidity in applications with a small number of measuring points. They offer easy installation and stable data collection without the need for a connected infrastructure.
- Compact and efficient: temperature and humidity monitoring for a small number of measuring points - independent of WLAN and cloud services.
- Accurate and flexible: fast data transfer via app or USB-C for further analysis.
- Intuitive and self-contained: get up and running quickly with reliable measurement from the start, without the need for connectivity.
- Discreet design: compact logger in black or white for smooth integration into different environments.


Maximum control. Full security.
The testo Saveris 1 measurement system is an on-premise solution for reliable and safe environmental monitoring. The system is designed for operations where continuous control, high data security and stable operation are essential - even in critical environments.
- Uninterrupted monitoring: 24/7 measurement without data loss.
- Automatic alarms: immediate notification of anomalies via email, SMS or local alarm signal.
- On-premise solution: local data storage on your own network for full control and high data security.
- Fast reporting: measurement data available at the click of a button - for transparent and audit-proof documentation.
- Seamless integration: easy connectionto existing IT and operational environment for unified monitoring and smooth data and alarm management.

Find the right data logger
Download the brochure with all our data loggers to easily compare features, measurement parameters and applications. Get a clear overview and find the measurement solution that fits your needs.

testo Smart App
Check your data loggers directly on your mobile. The app connects to the loggers via Bluetooth or the cloud service testo Smart Connect and provides you with real-time data, alarms via push notifications and easy data management for analysis and reports.
Precision you can rely on.
Calibrated data loggers provide you with accurate measurements that lay the foundation for stable processes, reliable environmental monitoring and high quality. We offer accredited calibration in our laboratory or on site if you cannot or do not want to ship your instruments.

| Calibrated from the start: testo data loggers can be supplied with accredited calibration on request, for traceability and compliance with regulatory requirements. |
| Accuracy assured: Regular calibration ensures high measurement accuracy and confidence that your readings are correct. So you can rely on every single measurement. |
| Long-term reliability: Reliable measurement data for your environmental parameters provides the basis for stable monitoring and control of your processes over time. |
We help you ensure effective and reliable monitoring.
Ove Södergren
Product Specialist
Ove Södergren
Product Specialist
Amanda Lööv Miljevic
Product Specialist
Amanda Lööv Miljevic
Product Specialist
Maria Almestål
Lab manager calibration
Maria Almestål
Lab manager calibration