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The LEVIFLOW® LFS-03SU inline sensor is designed for non-invasive, high precision flow measurements in bioprocessing. Two piezoelectric transducers generate and receive ultrasonic waves. When flow is present, the with-stream wave is accelerated, and the against-stream wave is slowed down. The difference in transit time is proportional to the velocity of the fluid. All wet materials are fabricated from biocompatible (FDA, USP-VI, and BSE/TSE free) gamma robust polypropylene (PP). For accurate measurement down to the lowest flows, the special calibrated version LFS-03SU-SC1 is available.
High accuracy and repeatability of reading
LFS-03SU
35 – 800 ml/min: ±1 % acc. and <0.5 % rep.
1 ml/min: ±10% acc. and < 5% rep.
LFS-03SU-SC1
6 – 800 ml/min: ±1 % acc. and <0.5 % rep.
0 – 6 ml/min: ±0.06 ml/min acc. and < 0.03 ml/min rep.
Accurate measurement up to 5 bar
The sensor is made of PP and therefore ideal for high-pressure applications such as TFF or Chromatography.
Low shear and no particle generation
The measurement method is completely non-invasive and therefore ideal for delicate fluids.
Suitable for high volume applications
For high volume applications, multi-channel converters are available, which can process up to 6 sensors with one single converter. The sensor signals are available over an RS485 two-wire bus or a PLC interface, thereby reducing cabling, footprint, and cost.
Special calibrated sensor SC1
The special calibrated version LFS-03SU-SC1 with additional calibration points at low flow values, allows accurate flow measurement over a broader range.
FDA, USP-VI and BSE/TSE free and Gamma Robust
All wet materials are fabricated from biocompatible (FDA, USP-VI and BSE/TSE free) gamma stable (up to 40 kGy) polypropylene (PP).
Smart digital signal processing
The flow converter uses a digital signal processor (DSP) to provide accurate flow measurement even when bubbles are present.
Smart sensor
Various parameters such as full scale, total volume, bubble detection, or high flow alarm are provided and can be configured with the Levitronix® Service Software.
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