Measuring instruments for pressure and temperature are used in almost all areas of industrial manufacturing. As a result of continuous mechanical, chemical and thermal loading, these instruments age and can therefore not guarantee the correctness of the measured values …
Declaration of conformity
RoHS marking and certificates
| Peter Ottens | Know-howI am often asked, “How is a RoHS marking actually carried out?” The quick answer: EU RoHS will, from 22nd July 2017, be visible in the CE marking and the declaration of conformity linked to it. China RoHS conformant instruments carry a green logo. Non-conformant …
For which substances do the RoHS restrictions apply?
| Peter Ottens | Know-howTo protect human health and the environment, the EU RoHS and China RoHS directives demand the avoidance of six substances – heavy metals as well as brominated fire retardants and plasticisers. The restrictions, or permissible highest concentrations in homogeneous …
What does RoHS really mean?
| Peter Ottens | Know-howRoHS is an abbreviation for “Restriction of (the use of certain) Hazardous Substances in electrical and electronic Equipment”. Originally the abbreviation RoHS was used for the EC directive 2002/95/EC. Significant changes – for the benefit of greater clarity …
About the “jungle” of documentation in the calibration world
| Christian Elbert | Know-howDue to a modification in the Measures and Verification Ordinance and the metrological traceability policy of the German Accreditation Body DakkS, evolved structures have been considerably muddled up. At first glance, it looks inscrutable and impenetrable. But on closer …