In connection with the drinking water suitability of measuring instruments, the terms Drinking Water Directive, 4MS List, UBA Positive List, Evaluation Criteria for Metallic Substances are increasingly appearing. This article should shed some light on the suitability …
The range of combined heat and power plants (CHP) is very large, as is the high variance of different plant types. The distinction is made by the generated power/heat output on the one hand and by the energy source used on the other. For all CHP plants, a large number …
Welding pressure gauges offer several safety features in order to enable the operator to work safely. The DIN EN ISO 5171 standard (Gas welding equipment - Pressure gauges used in welding, cutting and allied processes - ISO 5171:2009) describes the requirements …
The word certification is derived from joining together two Latin words, “certe” (meaning certain) and “facere” (to make). Certification describes the common practice with which the fulfilment and compliance with certain standards or requirements should be …
When pressure sensors come into contact with hydrogen, this often results in difficulties. Unfortunately, I very often notice in my job that our customers are not aware of this prior to use. This is why they often do not even tell us that their medium contains …
