Tecfluid Series LE - GRM Válvulas e instrumentación
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Tecfluid Series LE

Float level transmitter for liquids


Tecfluid Series LE



  • Simple construction
  • Top mounted, or side mounted by means of externalchamber
  • Watertight and safe installation
  • Excellent chemical resistance
  • Measuring range: 150 mm … 6 m
  • Resolution: 10 mm
  • Connections:
    • EN 1092-1 flange. Other flange standards on request (ANSI, JIS,…)
    • Threaded connections BSP or NPT
  • Materials: EN 1.4404 (AISI 316L), PVC, PP, PVDF, PTFE
  • Level transmitter:
    • 4-20 mA analog output for safe or hazardous area (Ex ia IIC T4 or T6 protection, ATEX certified). HART, PROFIBUS, FIELDBUS protocols available on request

Working principle

By means of float with magnetic field and reed chain. A reed switches / resistance chain is mounted inside a guide tube. The changes in liquid level modify the float position in this guide tube, so that it activates the reed switches providing an output signal of variation of resistance, which can be later converted into an analog output of voltage or current.

Tecfluid Series LE


  • Control of industrial processes and dosing tanks
  • Storage for food and beverage industry
  • Level control in shipping industry
  • Chemical and textile industry


  • Models LEM: guide tube length shorter than 2000 mm. Minimum liquid density 0.8 kg/l
  • Models LE: guide tube length longer than 2000 mm. Minimum liquid density 0.6 kg/l
  • LE … LEM70 flanged connection
  • LE … LEM71 threaded connection


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