LEVIFLOW Clamp On Flow Sensors

LEVIFLOW® LFSC-D Clamp-On Flow Sensors

Ultrasonic High Precision Clamp-On Flow Sensors for Flexible Tubing

ESI Ultrapure have the best solutions for your flow measurements requirements. The LEVIFLOW® clamp-on flowmeters are designed for non-invasive flow measurements of high purity fluids with flexible tubing.

Flow Measurement

Two piezoelectric transducers, mounted in the sensor housing, generate and receive an ultrasonic wave. The wave going in direction of the flow (with-stream wave) is accelerated and the wave going against the flow direction (against-stream wave) is slowed down. The two waves are processed by a signal converter. The difference of the transit time of both waves is proportional to the velocity of the fluid.


  • High purity liquid processes
  • Sterile non-invasive flow measurement in Pharmaceutical manufacturing
  • Biotech process
  • Single-use disposable applications

System Benefits

  • No contamination
  • No moving parts – no particle generation
  • Low disposable cost (tubing cost only) with reusable sensor
  • Improved bubble robustness due to DSP technology
  • Easy integration into OEM equipment
  • Easy configurable flow sensor parameters (PC software)
  • Low pressure loss
  • Integrated and configurable totalizer function

Available Sizes

  • 2 sizes available to measure 0-20ml/min and 0-80 l/min


  • Analog, digital input and digital output

Fluid Temperature

  • 10-60°C

Kinematic Viscosity

  • 0.7 – 10mm2/s
Clamp on flow sensor

For more information or to discuss your flow measurement requirements, please contact us in Ireland +353 21 4510900, UK +44 1633 877505 or Benelux +31 85 0499770