• Frequency sweep level switch / for liquids / compact / stainless steel

LBFS

Article: 00100432

Frequency sweep level switch / for liquids / compact / stainless steel

The level switch LBFS is designed to detect levels in tanks, for mediaseparation and provide empty-pipe detection or dry-run protection forpumps .A high frequency sweep signal is radiated from the sensor tip into thetank. The media will act as a virtual capacitor, which together with acoil in the sensor head, will form a circuit creating the switch pointsignal. This virtual capacitance will depend of the di-electric value DK (Dielectrical Constant) of the media. Two output signals are available, Normally Open (NO) and NormallyClosed (NC). By means of the FlexProgrammer 9701, a damping ofthe output signal can be activated in case of a fluctuating media level, e.g. during tank filling. Additionally the output signals NO and NC canbe reversed. The measurement is precise and unaffected by the mounting positionin the tank. In the Flex software a compensation for foam, bubbles and condensate as well as sticky media can be set. The Flex software also features an adjustment facility making the userable to adjust the sensor to a specific media. The level switch LBFS measures liquids such as water and oil. Evendry media can be measured, eg. coal dust or plastic granulate. LBFS can be delivered with PNP output as well as NPN output. The process connection can easily be sealed by use of PTFE tapeorby use of special welding adapter for the hygienic edition.

Specifications

  • Technology: frequency sweep
  • Measured material: for liquids
  • Other characteristics: stainless steel, compact
  • Protection level: IP67
  • Process pressure: 100 bar (1450.38 psi)
  • Process temperature: 115 °C (239 °F)

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