Comprehensive services in areas of testing, inspection, certification and training.

SZU‘s measures in connection with Covid-19

We are constantly monitoring and evaluating the COVID-19 situation. We have taken a number of measures to help minimize the risk of infection. We do everything we can to ensure that these measures have the least impact on the operation of our business and on running orders. Our main goal in this situation is to protect the health of our employees and customers.

More information:

climatic and corrosion tests

Our accredited testing laboratory has the necessary equipment for performing climatic and corrosion tests. In addition to the procedures listed below, we can help you with other specific cases. Do not hesitate to contact our experts for more information.

Climatic tests

Climatic tests (chill, dry and moist heat, temperature changes, moisture) as per EN 60068-2-x).


Volume of test space: 750 dm3 

Temperature and climatic parameters:

Corrosion tests

Corrosion resistance tests are performed in our laboratory in Jablonec nad Nisou on modern LIEBISH and QLAB chambers. The QLAB cycling chamber can alternate between environments (NSS, condensed water, air, shower) and can also be set to different temperatures and humidity levels. The LIEBISH chamber is designed primarily for NSS testing.

QLAB chamber:

Volume of test space: 1 100 dm3. Temperature range: 20°C - 70°C, according to the chosen test.

Examples of procedures:

LIEBISH chamber:

 What is tested:

What is assessed:


Examples of procedures:

Who can you reach out to?

Blanka Firstová

Blanka Firstová

department guarantor
Jablonec nad Nisou
+420 483 348 226
+420 602 276 941


Are you interested in this service?



If you are interested in any of our services, please contact us.




Our experts will contact you soon and specify the details of your inquiry.




After clarifying the details we will prepare a final offer for you.




You will then fill in a binding order.




After signing the contract, we will start to execute your order.