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Know-how

WIKA certified in accordance with ISO 19443 for civil nuclear projects

Martin Schnatz | Know-how
ISO 19443 relates to civil nuclear projects

The civil use of nuclear power is a significant market. In order to better position itself globally as a solution partner in this segment, WIKA has therefore had itself certified in accordance with the new quality management standard, ISO 19443:2018, for civil nuclear …

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Electronic pressure switches: Many setting options

Haydar Kartal | Know-how
Electronic pressure switches: setting options

  Like their mechanical counterparts, electronic pressure switches are primarily considered for simple control tasks. In addition to switching current and accuracy, there is another distinguishing feature between the two types of instrument: Electronic …

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Measuring the response times of electrical thermometers

Joachim Brückner | Know-how
Measuring response times of electrical thermometers

There are many reasons for using electrical thermometers with short response times: optimisation of the efficiency, more efficient utilisation of the working range of a process, avoidance of thermal overload of the process medium. But how are response times measured, …

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Repeal of EC79/2009 for hydrogen-powered vehicles: Impact on pressure sensors

Christian Wirl | Know-how
EC79/2009: Existing certificates remain valid

Components in a hydrogen-powered vehicle must have an application-specific safety approval, for which the European Union issued regulation EC79/2009. Although this regulation expired in July 2022, it has not lost its relevance - manufacturers and users will continue to …

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Not the same: temperature range and temperature limit

Michèle Beyer | Know-how
Temperature range and temperature limit are two different things.

Temperature range and temperature limit for pressure sensors – is there a difference? My intuitive answer would be: Yes! The first term describes a section and the second its border. On second glance, however, I have to conclude that both words ultimately express the …

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Welcome to the WIKA blog

In our English-language blog you can expect many interesting articles on pressure, temperature, level, force and flow measurement, and also on the subject of calibration technology. Furthermore, there are various insights into the world of the WIKA group of companies – seen from different angles.

Most-read articles
  • Difference between gauge pressure and absolute pressure measurement
  • Pt100 in 2-, 3- or 4-wire connection?
  • Bourdon tube pressure gauge – operating principle
Accuracy Calibration Chemical Cleaning Diaphragm seals EN 837 Oil & Gas Pressure Pressure gauge Pressure switch Process safety Safety Standards/approvals/directives Switching output Valves & Controllers
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