Adding value with our service portfolio
Adding value with our service portfolio
This certification mark applies to the ergonomics of office work chairs.
The certification mark is based on the EN 1335-1, -2 and -3 standards. These standards define the basic dimensions of office work chairs and the safety rules and test criteria applying to them. Compliance with ergonomic dimensions is verified with the help of a seat measurement device known as a “sedometer” and a harmonized and recognized test method based on sedometer test specifications issued by the Ergonomie Institut München (Ergonomics Institute of Munich) Dr. Heidinger, Dr. Jaspert & Dr. Hocke GmbH. The sedometer simulates a sitting person, facilitating analysis of the office work chair with respect to human-oriented measurements and movements.
Periodic surveillance and/or monitoring of the manufacture of a product constitutes the basic premise for certification that includes the award of a certification mark. Certification always requires product testing and regular factory inspections.
As a third-party expert organisation, TÜV SÜD Product Service verifies that the manufacturer is able to maintain consistent quality in line with the requirements throughout high-volume production and has established the necessary quality system, including incoming goods inspections, lists of materials and final product testing.
In addition, calibration of the necessary measuring and monitoring equipment must be ensured. Surveillance and/or monitoring covers the testing of safety-critical components and other materials used. If unauthorised changes are made to the product, the certificate will become invalid (withdrawn) and the TÜV SÜD certification mark may no longer be used.
TÜV SÜD Product Service tests the shoe lasts that form the basis of shoe manufacturing for various criteria, including length and heel width. Subsequently, the interior dimensions of the prototype shoes manufactured on the basis of the lasts are verified.
At regular intervals certified products will be bought in the market to perform spot checks and verify that the product is still meeting the requirements defined on the certification mark.
For the statement "Tested for harmful substances", TÜV SÜD tested the product for hazardous substances. The test is based on legal requirements, specific national requirements and own specifications.
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