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All posts by Roland Sachs

Pt100 in class B or F 0.3 – what does IEC 60751 say?

Roland Sachs | Know-how
Pt100: Which class

Perhaps you've already noticed that in some instances a Pt100 is specified with an accuracy class B or A. At other times, it has the class F 0.3 or F 0.15. This blog post looks at the specifications for Pt100 in the international IEC 60751 standard and explains the …

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Measurement technology in compressors

Roland Sachs | Applications
Measurement technology in compressors

The measurement technology used in compressors is tending to increase more and more. And for good reason. The balancing act between increased compressed air demands and reduced energy consumption also depends, to a large extent, on the intelligent use of measuring …

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Strap-on thermometer or screw-in thermometer? Temperature measurement of pipelines

Roland Sachs | Know-how
copper pipelines

Temperature is by far the most common measurand in the industry. However, there are no general solutions for temperature measurement. Even when designing measuring points on pipelines, many different factors for selecting thermometers must be taken into account. The …

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Temperature switches in machine building: Which type suits?

Roland Sachs | Know-how
Buzzer

Temperature switches are used in machine building and other industrial applications for limiting temperature. They monitor the temperature and react at a predefined point. To protect from overheating they either switch the equipment or machine off or switch on a fan …

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Pt100 in 2-, 3- or 4-wire connection?

Roland Sachs | Know-how
2-, 3- or 4-wire connection for Pt100?

Pt100, Pt1000 and NTC are the most-used measuring elements in resistance thermometers . I would like to use this blog to consider the question of connection types in greater detail. Resistance thermometers change their electrical resistance as a function of …

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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?

  • Differences between G1/4″ threads

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