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Thermometer

Pressure and temperature measurement at extremely low ambient temperatures

Christopher Ott | Know-how
Pressure, temperature measurement at extremely low ambient temperatures

Standard pressure gauges and thermometers generally cope with ambient temperatures down to -40 °C. But what must be the features of a mechanical measuring instrument that works perfectly well in polar climates with even lower temperatures? This can be explained using …

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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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Calibration bath or dry-well calibrator – which is the right choice?

Danica Schwarzkopf | Know-how
Difference between calibration bath and dry-well calibrator

Temperature sensors – like all other sensors – must be calibrated at regular intervals. This ensures that they deliver accurate and consistent measured values. Temperature calibration (e.g. using a calibration bath or dry-well calibrator) is generally carried out …

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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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Application of sapphire thermocouples in gasification reactors

Kai Grabenauer | Temperature
WIKA TC84

Gasification reactors, due to their harsh process conditions, place high demands on the instruments used there. Many manufacturers have reacted to this and adapted their products correspondingly. But what are the optimisation possibilities for thermocouples for use …

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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
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