The smallest pressure sensor for high performance


Thanks to its small diameter of just 14mm, the new weFlux²micro pressure sensor, distributed by Treotham Automation, enables measurements at previously inaccessible locations for the first time. Confined mounting spaces and compact system structures are a major challenge for the pressure measurement of liquids and gases.

The Treotham solution means pressure ranges between –1 and +25 bar can, therefore, be installed for the first time in hydraulic clamping systems, tight lubrication bearings or compact 3D printers.

Several factors contribute to the fact that the weFlux²micro is smaller than an AA battery: not only the small diameter of only 14mm, but also the small process connection with M5 thread saves space. The miniature pressure sensor is also just 22mm high, making it perfect for extremely tight systems. Thanks to its low weight of only 13g, it can even be mounted on robot arms and moving system parts. And it doesn’t even have to compromise on performance.

“System designers and engineers have long needed to monitor pressure in hard-to-reach places. Now there is a high-performance sensor product that also meets these requirements,” explains Lars Rieken, project manager at wenglor. “The weFlux²micro fills this gap: it is small, light and powerful at the same time.”

With a response time of less than one millisecond and a measurement error of less than 0.5%, the sensor is very fast and very precise. The robust stainless steel 316L housing is ideal for harsh industries. Thanks to the high IP68 degree of protection, the sensor is resistant to aggressive cleaning agents and chemicals.

Thanks to the analogue output signal (4 to 20 mA), the sensor can be ideally integrated into existing systems. Positive-locking segmented cable compression provides additional protection in the event of mechanical tensile and rotational loads.

The miniature format of the weFlux²micro is ideal for monitoring pressure cylinders in hydraulic or pneumatic clamping systems. Any pressure changes in the interior must be detected with great accuracy. “There is practically no space in these clamping systems for machine tools. Nevertheless, our integrated sensor ensures precise measurement in the medium,” says Rieken. “Due to its low dead weight, these systems can also be mounted on robot arms – another plus.”

The size advantage also comes into its own in lubrication systems for ball bearings, gears, chains or linear guides. There, the sensor records the values required for correctly monitoring the lubrication quantity. And also in enclosed systems such as 3D printers or welding and milling systems, the small sensor enables precise monitoring of extraction devices or vacuum chambers.

The highlights at a glance:

  • Small diameter of just 14mm
  • Low weight of just 13g 
  • Pressure range from –1 to +25 bar
  • Process connection with M5 thread
  • IP68 degree of protection thanks to stainless steel 316L housing
  • Response time <1 ms
  • Measuring error of ≤0.5%
  • Analogue output signal 4 to 20 mA
  • Positive-locking segmented cable compression
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