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Know-how

Overload safety of Bourdon tube pressure gauges

04/12/2018 | Marc Syguda | Know-how
Belastbare Manometer

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 …

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Pressure gauges for pharmaceutical processes: Flush-mounted “dry measurement”

03/15/2018 | Silvia Weber | Know-how
Manometer für Pharmaprozesse

Are pressure gauges suitable for pharmaceutical processes? Yes, if they are available in a version with flush diaphragm element. There are two advantages for a mechanical pressure measurement with this type of instrument: Diaphragm pressure gauges measure “dry” and …

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

03/02/2018 | Roland Sachs | Know-how
Temperaturmessung bei Rohrleitungen

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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Pressure measurement at extremely low ambient temperatures

02/19/2018 | Christopher Ott | Know-how
Druckmessung bei extrem niedrigen Umgebungstemperaturen

Standard pressure gauges generally cope with ambient temperatures down to -40 °C. But what must be the features of a measuring instrument that works perfectly well in polar climates with even lower temperatures? This can be explained using the WIKA PG23LT pressure …

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Temperature switches in machine building: Which type suits?

02/09/2018 | Roland Sachs | Know-how
Temperaturschalter im Maschinenbau

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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Welcome to the WIKA blog

In our English-language blog you can expect many interesting articles on pressure, temperature, level 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
  • Pt100, Pt1000 or NTC – which is the right measuring element?
  • Bourdon tube pressure gauge – operating principle
  • Differences between G1/4″ threads
Accuracy EN 837 Filling height Heat pump Hydrostatic IO-Link Level sensor Machine building Measuring point Pressure gauge Standards / approvals Switching function Temperature Temperature effect Thermometer
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