“ … with EAC, please.” This statement is often added when a product is to be exported to Russia or another CIS (Commonwealth of Independent States) country – be it as a single device or installed in a machine. But what exactly is EAC and when do you need it? …
Standards/approvals/directives
3-A vs. EHEDG or also theoretical vs. practical
Jochen Gries | Know-howExperts estimate the time spent cleaning in the food and beverage industry to be as much as 30 percent. Thus, it is also understandable why the manufacturers attach great importance to a cleaning-friendly design (hygienic design). Many producers therefore look out for …
Overload safety of Bourdon tube pressure gauges
Marc Syguda | Know-howThe question occasionally arises, in connection with Bourdon tube pressure gauges, about the overload safety of the instruments. This article deals with exceeding the measuring range by up to 30 %. What happens with the pressure gauge? Does it still indicate precisely …
High-pressure gauges: New standard, DIN 16001, delivers safety
Christopher Ott | Know-howThe German institute for standardisation (Deutsches Institut für Normung) has opened up new territory: Its DIN 16001 is the world's first standard that deals exclusively with high-pressure gauges. In accordance with the criteria described within it, WIKA is at the …
Ice cold – Electrical thermometers in low ambient temperatures
Joachim Brückner | Know-howMedium temperatures of -60 °C don't even make the designers of electrical thermometers shrug their shoulders – but when one speaks of ambient temperatures of -60 °C, then one often hears a sharp intake of (cold) breath. It quickly becomes clear that one cannot …




