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CL System
The CL System complies with different standards like DINIEC61508 (VdTÜV/ PED), SIL2 or SIL3 and combines a safety shut-off, pre-alarm and content measurement in one rack. The shut-off lenght of the sensor can vary from 50cm to 3m while its overall lenght can be up to 8m.
Key advantages
  • Overfill Protection with two switching levels
  • “fail-safe” by means of self-control
  • No adjustment necessary
  • Completely independently working Overfill Protection and level meter integrated in one sensor
  • Sensor made out of stainless steel
  • Modular, flexible and simple installation (eurocard modules)
  • Level read out in volume percentage and three adjustable switching levels
  • Complies with all relevant European and (North) American standards and directions (for instance ATEX,PED, CE, TÜV,cCSAus)

The system consists of a multiple capacitive sensor, measuring converter and processing electronics with outputs for various purposes.


Depending on the requirements and risks, two configurations are available:

  • One with a switching amplifier CL-SLA1 (AK4) or CL-SLC1 (AK5)
  • For very large tanks &/or tanks with an increased risk, the CL-SLC1 is more suitable
  • For other applications, the CL-SLA1 is sufficient/adequate


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