Re-certification Certified Lubrication Specialist (CLS)
Your knowledge should remain up-to-date in the long term!
Have you spared neither expense nor effort and successfully passed the internationally recognised ‘Certified Lubrication Specialist (CLS)’ examination in the past?
By becoming a Certified Lubrication Specialist (CLS), you will be one of more than 1500 lubrication professionals worldwide who not only keep an eye on the lubricant, but also on the application and, above all, on the customer.
The validity of the CLS certificate is limited to 3 years by the STLE.
A recertification fee must be paid to the STLE.
This is $185 for STLE members and $350 for non-members (as of June 2024).
Alternatively, there is of course always the option of taking the CLS exam again.
If you keep an eye on points 1, 2, 5, 7 and 12, which are easy to fulfil, right from the start, you will find it easy to recertify!
Re-certification
You do not have to take another written examination if you fulfil at least four of the following 12 conditions and provide written proof to the STLE before the end of the 3-year period.
Conditions for re-certification without a new written examination:
- Confirmation letter from the employer about your continuous activity in the fields of lubrication, tribology, lubricant technology. (Example: letter from the HR department or supervisor confirming active employment).
- Letter of confirmation from two CLS-certified persons about your continuous activities in the fields of lubrication, tribology and lubricant technology.
Your list of participants from the OilDoc seminar may help you here! (Example: Letter in which the activity in at least one of the required areas is confirmed by a CLS-certified person with their certification number). - Proof of receipt of at least 4.5 CEU (Continuing Education Units) on pertinent courses in the areas of lubrication, tribology, lubrication engineering. (Example: college transcript of course work; certificate with earned CEU hours from an accredited institution).
- Proof of participation in six STLE ‘Section Meetings’
Participation also possible online. (Example: paid receipts for participation; letter from the local section leadership confirming participation - Proof of participation and certification in one (1) training programme by a third-party company or a further training seminar organised by the employer.
OilDoc seminars. and OilDoc online training courses (min. 8 modules) are accepted by the STLE! (Example: confirmation of registration; certificate of participation incl. seminar title and date). - Proof of reading six (6) relevant technical articles published in recognised technical publications (e.g. bibliography with title, publication and date of issue of the article; copy of the article from the publication).
- Proof of participation in an annual meeting or conference in the fields of lubrication, tribology, lubricant technology by the following providers: STLE, SME, SAE, NLGI, AISE, or SMRP.
OilDoc symposia and the OilDoc conference and exhibition are also recognised by the STLE! (Example: confirmation of registration or invoice showing the name of the conference, the date and the venue). - Holding a technical presentation). at a conference or seminar in the field of lubrication, tribology, lubricant technology – e.g. also the OilDoc Conference and Exhibition! Presentations focussing on sales or marketing will not be accepted. (Example: copy of the presentation with date/location; confirmation letter from the organisation confirming the title/date of the presentation).
- Publication of an article on the topics of lubrication, tribology, lubricant technology (e.g. bibliography with title, publication and date of issue of the article; copy of the article from the publication), e.g. in the journal Schmierstoff+Schmierung.
- Author or co-author of a book or a chapter in a book on the topics of lubrication, tribology, lubricant technology (e.g. extract from the list of authors showing the name of the author and the chapter of the article).
- Proof of your active participation in a technical committee or body on the topics of lubrication, tribology, lubricant technology (example: Overview of the organisation showing participation; letter from the organisation stating active participation and the name of the committee/group).
- Proof of your participation in at least 8 hours of further training on the topics of lubrication, tribology and lubricant technology.
OilDoc seminars and OilDoc online training courses (min. 8 modules) are accepted by the STLE!
(Errors excepted, binding information on recertification can be obtained from the Society of Tribologists and Lubrication Engineers (STLE))
Just think how quickly 3 years can pass!
So stay tuned on lubrication and tribology.
We will be happy to support you with your re-certification.
Order our CLS renewal service now!
For only € 59.- plus VAT VAT you will receive the
complete CLS extension package from the OilDoc Academy
CLS extension service from the OilDoc Academy
You are one of approximately 1,500 CLS-certified lubrication professionals around the world who not only keep an eye on the lubricant, but also always use it to extend your machine life, improve productivity and save money?
The validity of your CLS certificate by the STLE is limited to 3 years!
However, you do not have to take another written exam for the Certified Lubrication Specialist if you fulfil at least four of the 12 conditions!
Included in the CLS extension package of the OilDoc Academy:
Template for the employer certificate
Template for the confirmation letter from your employer about your continuous work in the areas of lubrication, tribology, lubricant technology.
Confirmation letter from a Certified Lubrication Specialist (CLS)
Signed letter of confirmation from a CLS certified person on your ongoing activities in the areas of lubrication, tribology, lubricant technology
Participant list
Training Participation Confirmations as PDF
Your participation confirmations to all OilDoc training events since your CLS certification as PDF