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What is the IECEx proficiency testing scheme (PTS)?

organization, performance and evaluation of measurements or tests on the same or similar
items by two or more laboratories in accordance with predetermined conditions (see also
ISO/IEC 17043) 

Scope 

The primary goal of the IECEx PTS is to increase the mutual confidence among the IECEx
test laboratories operating within the IECEx System. In support of this goal the IECEx PTS
has been designed to improve the consistency and reproducibility of test results.

IECEx test laboratory
Includes all IECEx ExTLs, IECEx Applicant ExTLs, IECEx Additional Testing Facilities (ATFs)
and IECEx Applicant ATFs, as defined in IECEx 02

Participation

In accordance with IECEx ExMC Decision 2014/53 and IECEx 02, participation in the IECEx
PTS is mandatory for all the IECEx test laboratories, as defined in Clause 4 of OD 202
document. Laboratory participation is according to their scope of application and/or of their
scope of acceptance in the IECEx System and is a condition for continued acceptance. 

For further information review OD 202 - IECEx Proficiency Testing Scheme

IECEx Proficiency Testing Provider

IECEx Proficiency Testing Provider

The programmes are coordinated and processed by an IECEx PTS Provider that is
independent of the participating testing laboratories and operates in coordination with ExTAG
Working Group 10, Proficiency Testing (ExTAG WG 10).

Physikalisch-Technische Bundesanstalt (PTB) of Germany has been reconfirmed as the IECEx Proficiency Testing Scheme provider for the IECEx . 

For further information go to the PTB website for the IECEx Proficiency Testing Scheme programs and information.  You can also contact the PTS provider coordinator under contacts for further information.