Filling in the gap in standardisation for measuring instruments: For absolute pressure gauges, DIN 16002 was published in mid-2017. The model 532.52 instrument family from WIKA conforms to this standard. All versions have since then been marked with the DIN 16002 …
Standards/approvals/directives
“UL Recognized”, “UL Listing” – What’s the difference?
Jens Bargon | Know-howThe “UL approval” is an important and well-known product approval. That there are different approvals for “UL” (“Underwriters Laboratories”) is, however, less known. When one talks in general about “UL approval”, in most cases “UL Listing” …
Safety temperature limiter for plants safe to operate
Andreas Borchard | Know-howHeat-generating plants are used in industry and in heating technology. The safe operation of such plants requires a large number of safety devices. They are designed to prevent, among other things, excess temperature, overpressure and vacuum. In the area of temperature …
EAC approval for pressure gauges and thermometers: What must be considered?
Jürgen Reiser | Know-howWhoever exports measuring instruments or other technical goods to Russia and many of its neighbouring countries, has to go through the certification process of the “Eurasian Conformity” (EAC). An EAC approval is comparable with CE conformity. It is issued for each …
Responsible handling of sulphur hexafluoride
Arthur Böttcher | Know-howSulphur hexafluoride - or SF 6 gas for short - is, so far, the gas with the strongest known greenhouse effect. Its contribution to the greenhouse effect is about 23,000 times that of CO 2 and is persistent in the atmosphere. Sulphur hexafluoride is defined …




