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• Continuous level measurement  

  SICK says its innovative non-contact radar sensing technology is opening up the prospect of robust and reliable real-time monitoring of the levels of liquids and bulk solids in challenging industrial applications. The SICK SicWave uses higher-frequency 80 gigahertz free-space radar to overcome the limitations of lower-frequency radar sensors or mechanical devices to achieve precision continuous level measurement in demanding environments.

• Under Pressure – sensors in the spotlight 

  Pressure sensors are used in a whole range of applications, but understanding the differences in design and operation is crucial when specifying a new sensor. These vital components can facilitate a variety of tasks from displaying process information and performing control functions to operating alarms. Kieran Bennett, of process control specialist Bürkert, looks at the range of sensors available, the different technologies used in their design and how the application affects the specification.

• The importance of choosing the right filter 

  When selecting sensors for displacement, position, distance and profile measurement tasks, engineers should consider the various types of sensor filtering before making a purchasing decision, says Chris Jones of Micro-Epsilon.

• Distance sensor sets precision standard 

  With the launch of its next-generation DT80 distance sensor, SICK says it has revised the standard for measurement precision in countless industrial applications in a compact and robust device. Equipped with high-performance time-of-flight measurement technology, the SICK DT80 1D laser distance sensor achieves unparalleled accuracy of +/- 2 mm with a resolution of 0.1 mm at ranges up to 80 metres.

• Vibration measurement flexibility provides cost-effective and enhanced protection 

  The advantages of applying vibration condition monitoring to rotating equipment is well established but this technique can only provide the maximum benefit when applying the correct measurement technique. So what is the correct measurement and how do I implement this?