The testo 400 is ideal for high-precision measurements of all climate-relevant parameters in cleanrooms and laboratories.

In order to qualify cleanrooms according to their areas of use and quality requirements, the use of precise measurement methods is essential. This is where the testo 400 comes in:

- Ensuring a constant cleanroom environment thanks to precise and reliable measurements.
- Continuous compliance with defined cleanroom conditions thanks to calibrated probes with long-term stable accuracy.
- Providing customized services from the qualification of your cleanrooms to the calibration of measuring devices.

It's not just about meeting standards, but in particular about the first-class quality of your products and processes.