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Ex protection

Ignition protection type Ex i for pressure measuring instruments with battery operation

Jing Lyu | Pressure, Products
The ignition protection type Ex i is sufficient for pressure measuring devices with battery operation.

Which ignition protection type is suitable for battery-operated pressure measuring instruments, which are increasingly being used in combination with a radio unit? WIKA has clearly answered this question for its portfolio: “Ex i”, i.e. intrinsic safety. This …

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Pressure switch in hydrogen-powered train ensures safety

Jing Lyu | Applications
Ein Druckschalter ist Teil der Antriebsüberwachung in einem Wasserstoffzug.

In a newly developed hydrogen train for local transport, a pressure switch from WIKA plays a crucial role. Within the scope of pressure monitoring, it performs the central safety function in the H2 supply system during the journey. The benefits of hydrogen in rail …

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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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Flame arrester protects sewage vacuum truck tanks

Jing Lyu | Applications
Flame arrester also in the vacuum truck

A pre-volume deflagration flame arrester or – simplified – a flame arrester prevents flame transmission, through a measuring instrument, into a zone 0 (gas) hazardous area. This protective function, therefore, plays an important role, especially in process …

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Calibration of ultra-high pressures over the entire measuring range

Jing Lyu | Applications
Calibration of ultra-high pressure

The calibration of ultra-high pressures is a challenge. This is because conventional test instruments are only designed for pressures up to 1,000 bar. In many applications, however, sensors work with several times this value, for example in the automotive industry. If …

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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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