The 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 …
Standards/approvals/directives
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 …
Standard for absolute pressure gauges: DIN 16002
Silvia Weber | Know-howFilling 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 …
“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” …