Mechanical pressure and temperature switches perform sensitive tasks in safety-relevant applications, e.g. the safety function and monitoring of limit values. Their functional safety must be guaranteed accordingly. This is always the case if the instruments fulfil …
Know-how
Sensor integration – notes on mechanics and EMC
Christian Wirl | Know-howWhen integrating pressure sensors and pressure sensor modules, there are a few things to keep in mind when it comes to mechanics and EMC protection: Mechanics Depending on the installation situation and intended use of the sensor module, its design will differ; …
Pt100 in class B or F 0.3 – what does IEC 60751 say?
Roland Sachs | Know-howPerhaps you've already noticed that in some instances a Pt100 is specified with an accuracy class B or A. At other times, it has the class F 0.3 or F 0.15. This blog post looks at the specifications for Pt100 in the international IEC 60751 standard and explains the …
Avoid fugitive emissions through prevention
Pratik R. Vishwakarma | Know-howFugitive emissions attack the atmosphere and escape through numerous small leaks. Even instrumentation valves can become such points over the course of time. The most effective protection against fugitive emissions is prevention: In the case of instrumentation valves, …
MTTF and MTTFD – What is the difference?
Arndt W. Jahns | Know-howThe MTTF value is a term from the field of risk analysis & risk evaluation. The exact meaning is m ean t ime t o f ailure or simply the mean life of a component. The MTTF has gained particular relevance due to EN ISO 13849-1. In accordance with this standard, …