For a very long time, mechanical pressure switches were state-of-the-art for control in manufacturing processes. Modern pressure sensors seem to be the answer to the demand for data collection and control, by providing continuous data output about the process pressure. …
Pressure sensor
What does temperature compensation or compensated temperature range for pressure sensors mean?
| Michèle Beyer | Know-howNo other term is as misleading as "compensated temperature range". Let´s first begin with what is meant: The compensated temperature range is the temperature range in which the temperature error, and accordingly the temperature coefficients, are valid. Not, as one …
How to select an isolated barrier for an intrinsically safe pressure sensor
| Stefan Heusel | Know-howIn Europe plants or machines used in hazardous areas must comply with the ATEX directive 94/9/EC. Therefore, the pressure sensors or other measuring instruments approved according to ATEX must be used only in conjunction with ATEX approved isolated barriers if they use …
Pressure sensors, transmitters and safety: SIL, PL, DIN EN ISO 13849 and IEC 61508 – Commonly used terms and abbreviations
| Stefan Heusel | Know-howWhen using pressure sensors and pressure transmitters, our customers often ask for explanations of frequently used terms and abbreviations in connection with "SIL applications". SIL – which means Safety Integrity Level, and PL, which means Performance Level, are …
Ex pressure sensors and transmitters for ATEX Zone 0, Zone 1 or Zone 2 – markings of pressure instruments for use in a hazardous area
| Stefan Heusel | Know-howThe field of application or the suitability of a pressure sensor for a hazardous area is designated by the marking on the device. As a matter of principle, intrinsically safe pressure sensors marked Ex ia can be used in zone 0 (the "most dangerous" area), whereby a …