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Process connection

Mechanical pressure switches: What principle do they work on?

Melanie Höfling | Know-how
Typical application for mechanical pressure switches

Mechanical pressure switches in compact design ensure safe pressure monitoring in, for example, pumps, compressors and mobile working machines. Regardless of the application, they function in accordance with the principle of the preloaded spring, with a diaphragm or a …

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What is the leading ignition protection type for UHP pressure transducers?

Fabian Mayer | Know-how
Leading ignition protection type UHP pressure transducer

The leading ignition protection type is critical for the electrical connection of a pressure sensor with explosion protection. It does not necessarily have to be the one with the stricter requirements. This applies, for example, for the UHP pressure transducers of the …

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Reed level sensor: Defining the measuring range flexibly

Oleg Greber | Know-how
Level sensor with reed chain offers flexible measuring range sensors with reed chain

A float-based level sensor with a reed chain is a widely used and comparatively economical solution for continuous level measurement in vessels. Users can define its measuring range flexibly within a given range. This article describes what needs to be taken into …

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What do dead bands mean with a float switch?

Oleg Greber | Know-how
Dead bands with a float switch

Float switches with reed contacts enable both reliable and economical level measurement. Accordingly, they are used in a wide variety of applications. As with all level sensors using the float principle, users must pay attention to the dead bands when configuring the …

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Pressure switches with metal bellows: Stable repeatability, no risk of leakage

Jing Lyu | Know-how
Metal bellows - pressure switches

What advantages do pressure switches with metal bellows offer and what is the basis for these? The advantages are based on the seamless design of their measuring system. This solution enables permanently stable repeatability and, at the same time, eliminates the risk …

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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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