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Pressure sensor

The most common measuring principles for pressure sensors: thin-film, thick-film and piezoresitive sensors

Michèle Beyer | Pressure
different types of sensors

Although, for most applications, the choice of sensor measuring principle or functional principle of the pressure sensor is not important, we are still often asked about how the sensor elements integrated in our pressure sensors and pressure transmitters work. First of …

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Definition of the IP68 rating in theory and practice

Michèle Beyer | General
level probe IP68

Unfortunately, we are asked too rarely regarding the specification of the IP68 rating for our pressure sensors and submersible pressure transmitters, i.e. how deep such an instrument may be submersed. However, this is not only a very meaningful question but also a …

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The response time behaviour of pressure sensors: How is the response time defined and what is the definition of the rise time?

Enrico Bossart | Pressure
image of response-time behavior

The response time of pressure sensors is reflected in a large number of varying parameters, such as the response time, settling time or rise time in specifications or data sheets. In general, it can be assumed that the response time is defined as the interval required …

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The definition of MTTF and MTBF – and what is the difference?

Anna Gries | General
MTTF or MTBF?

The two definitions of MTTF and MTBF differ only slightly. Written out, the two acronyms read as follows: Mean Time To Failure  (MTTF) – i.e., the component/instrument will be replaced, following a failure Mean Time Between Failures (MTBF) –  mean time between …

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Temperature coefficients (TC) of pressure sensors

Anna Gries | General
temperature-error-drawing

Since temperature affects the measuring accuracy of a pressure sensor, there always remains a small temperature error in the rated temperature range despite a wide range of compensation measures. This error is often expressed in the data sheets of manufacturers 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
  • What is the functional principle of a resistive pressure transmitter?

  • Filling liquids in pressure gauges: Usage and advantages

  • How do diaphragm seals work?

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