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Catalog and registration

Our proficiency tests

In the following sections you can get an overview of our round robin tests. Here we explain terms, processes and much more.

If you would like to find out more about our range of products and services, you will find the entire range of proficiency tests in our catalogue.

 

Participation
Participation in our proficiency tests is not limited by specific guidelines. Knowledge and facilities for the implementation of the procedure are sufficient for participation.The objective of the proficiency tests is to give participants the opportunity to...
Accreditation
We are a DIN ISO/IEC 17043 accredited provider of proficiency testing. The scope of our accreditations can be found in the corresponding annexes to our certificates. You can find the certificate and annex to DIN...
Online-Portal
Our new online portal allows you to contact us immediately and at any time, provides you with all the information you need to carry out your tests, serves as a fast exchange medium for current...
Reference Material
Whether for training purposes, for checking and in order to support the calibration of instruments or for internal method checks: you can rely on our reference materials. Our samples have been qualified within the scope...
Statistics
In addition to excellent sample quality, we consider the application of appropriate statistical methods, which not only meet the objective of the interlaboratory comparison but can also be understood intuitively by the participants, to be...
About Us
Interlaboratory comparisons of the Kunststoff-Institut Lüdenscheid Your accredited provider of international proficiency testing in the plastics sector   The Kunststoff-Institut Lüdenscheid is a DIN ISO/IEC 17043 accredited provider of proficiency tests – founded in 1988,...
Our clients
Of course, every interlaboratory test is anonymous – nobody but you will know your performance. Nevertheless, it may not be bad to know that you are in the best of company: Our clientele includes global...
Our Team
Together we are strong. We work hand in hand to offer our proficiency tests in an efficient and cost-effective manner. If you have any questions or suggestions regarding our offer or if you need further...
FAQ
FAQ: Frequently Asked Questions What is an interlaboratory comparison, what is a proficiency test? An interlaboratory comparison (or “Round Robin” test) is understood to mean that a certain measuring or testing task is carried out...