Last Updates: 28/05/2020

Baumer CleverLevel LBFH Explosion Proof Level Switch

Part Number: LBFH Categories: ,

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Baumer LBFH is a versatile level switch based on frequency sweep technology. Also thanks to the specialized design and high-end materials such as stainless steel and PEEK, the sensor meets the highest demands in hygienic applications. The short immersion length has almost no effect on the process.

Baumer LBFH parameters can be adapted centrally and quickly via IO-Link in case of frequent media changes that saves time and increases plant availability. Two switching outputs enable configuration of two trigger thresholds that allow for two media or process steps – for example, production and cleaning – to be reliably monitored with a single sensor. The multicolour LED visible from all directions act as switching state indicator for convenient process control. The convenient qTeach® feature provides significant benefits in facilities with less sophisticated master controls. A touch with any ferromagnetic tool is all the necessary for sensor configuration,
which allows for immediate on-site adaptation to quickly changing process requirements.


  • Max. / min. level control
  • Overfill protection
  • Leakage detection
  • Separating layer detection
  • Dry running protection for pumps
  • Optionally with adaptive trigger
  • ATEX and IECEx certified for dust and gas
  • 3-A- and FDA-compliant, EHEDG-certified
  • Problem solver for adhesions
  • Two adjustable switching outputs
  • 360° visible multicolor LED
  • IO-Link interface
Performance characteristics
Measuring principle
  • CleverLevel level switches (Frequency Sweep)
Media characteristics
  • DC > 1.5
  • ± 1 mm
  • ± 1 mm
Response time
  • 0.04 s , typ.
  • 0 … 10 s , adjustable
Process connection
Wetted parts material
  • PEEK Natura
  • AISI 316L (1.4404)
Surface roughness wetted parts
  • Ra ≤ 0.8 µm
Output signal
Output type
  • PNP
  • NPN
  • Digital (push-pull)
Switching logic
  • Normally open (NO)
  • Normally closed (NC)
  • Active high
  • Active low
Compliance and approvals
EMC Emission
  • EN 61326, installed in a closed metal tank
EMC Immunity
  • EN 61326, installed in a closed metal tank
  • 3-A (74-07)
  • EHEDG EL Class I
  • FDA (21 CFR 177.2415)
  • cULus listed, E365692
  • WHG (overfill, leakage)
Explosion protection
  • ATEX II 1G Ex ia IIC T4 Ga
  • ATEX II 1D Ex ta IIIC T100 °C Da
  • ATEX II 3G Ex nA IIC T4 Gc
  • IECEx Ex ia IIC T4 Ga
  • IECEx Ex ta IIIC T100 °C Da
  • IECEx Ex nA IIC T4 Gc

Datasheets: Baumer_LBFH_datasheet

Manuals: Baumer_LBFx_Multilanguage-manual

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