Designed to measure in harsh conditions
High-efficiency validation of your sterilization, freeze-drying, disinfection, and pasteurization processes with the testo 190 and testo 191
Looking for reliable measurements under any conditions?
When it comes to validation in pharmaceutical or industrial environments, precision is non-negotiable. Processes such as sterilization, freeze drying, disinfection and pasteurization must run under extreme conditions, with no room for compromise on compliance or product quality.
The testo 190 and testo 191 data loggers are engineered to perform far beyond standard operating limits. They deliver reliable data, intuitive handling and full traceability even under high pressure, low temperatures or intense steam heat. Curious to see how they perform? Explore our endurance studies and discover proven reliability in the toughest environments.
Proven tough
Our test series confirms the resilience of our data loggers, even under extreme pressure, heat, and humidity.
testo 190 endurance test
The laboratory study demonstrates how the testo 190 data loggers withstand the rigorous demands of pharmaceutical validation.
testo 191 endurance test
The industrial application study proves the testo 191 data loggers remain precise and reliable in even the most challenging production environments.
testo 190
Precision for pharmaceutical validation
The testo 190 CFR data logger is the ideal solution for mandatory validation processes in the pharmaceutical sector. Thanks to the seamless interaction between logger, software, and practical accessories, you can focus on safety and quality rather than complexity.
Suitable for validating:
Sterilization
Freeze-drying
Cleaning and disinfection
Benefits
Designed to perform where precision matters
Robust
Temperature range: –50 to +140 °C
Pressure range: 1 mbar to 4 bar
IP68 protection against water
Flexible
Five logger types for every application
Rigid and flexible probes for hard-to-reach areas
Slim design: 20 mm diameter for measurements in confined spaces
Time-saving
Tool-free battery replacement
Minimal preparation before measurements
Program and read out up to eight data loggers in parallel
Powerful,
compact design
The testo 190 CFR data loggers
Their hermetically sealed measurement technology is enclosed in a separate stainless steel housing, ensuring maximum reliability and robustness. Compact and precise, they help qualify your systems in accordance with EN 285, EN 17665, and EN 15883.
Where to use testo 190?
One system.
Many applications.
Whatever the task, testo 190 delivers - designed for GxP and CFR 21 Part 11 compliance.
There’s more inside
Discover additional system components and services
Multifunction case
Rugged case for safe transport
Integrated readout unit for fast results
Configure up to eight loggers in parallel
Easy, guided programming and read out
testo 190 CFR software
Guided workflows and user-friendly interface
Easy calculation of holding time, lethality, and saturated steam
Audit-ready reporting with just a click
Services
Validation of your processes and Testo software
Calibration of your loggers and systems
Qualification of your systems
Seminars and staff training
More testo 190 knowledge
Discover real-life test results and detailed information in our study and product brochure
Reliable, versatile, HACCP-compliant
The testo 191 HACCP data loggers are designed for use across a wide range of industrial environments. With robust stainless steel housings and hermetically sealed measurement technology, they deliver precise results even under extreme temperature and pressure conditions. Compact, durable, and easy to handle, perfectly suited to process validation and monitoring in accordance with HACCP requirements.
Where to use testo 191?
One system.
Many applications.
Whatever the process, testo 191 ensures precise monitoring and HACCP compliance.
There’s more inside
Discover additional system components and services
Multifunction case
Rugged case for safe transport
Integrated readout unit for fast results
Configure up to eight loggers in parallel
Easy, guided programming and read out
testo 191 Software Professional
Guided workflows and user-friendly interface
Easy calculation of holding time, lethality, and saturated steam
Audit-ready reporting with just a click
Services
Validation of your processes and Testo software
Calibration of your loggers and systems
Qualification of your systems
Seminars and staff training
