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  EGE says launching the IGEX20a inductive proximity switch, it presents a compact sensor with ignition protection type Ex m (encapsulation). The company says, observing the relevant installation standards and conditions, it can be used directly in zones 0/20 without any further switching amplifier.

• Process moisture analyser  

  MICHELL INSTRUMENTS reports a key energy company in Germany has chosen its Promet I.S. process moisture analyser to monitor moisture levels in bio-methane before it is injected into the grid to ensure that it meets the correct quality standards.

• Protect your gas booster 

  SECOMAK suggests that for vendors and owners of a gas booster, now is the time to inspect it to ensure it operates effectively through the winter months.

• 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 accurate gas flow measurement 

  Used by manufacturers, technicians and field service engineers alike, gas flow sensors can provide crucial insight into the performance of a wide variety of devices. As their applications grow, it’s becoming ever more important to provide gas flow sensing capabilities in a smaller package — but how? Ross Turnbull, Director of Business Development and Product Engineering at ASIC design and supply company Swindon Silicon Systems, explores.