Inline Ultrasonic Flow Meter

SONOFLOW® IL.52

For Precise Measurement of Low Volume Flow Rates in Pipes & Tubes

The SONOFLOW IL.52 sensor is designed for precise, fast and bidirectional measurement of ultra-low flow rates. Due to its instantaneous measuring method with high repetition rates, the inline ultrasonic flow meter is suitable for quick dosing processes and for measuring pulsating flows.

  • Highly accurate measurement of ultra-low flow (with an error of +/- 1%)
  • Highly precise (with a repeatability of +/- 1%)
  • Quick measurement without any time lag
  • Independent of color and electromagnetic characteristics of the liquid
  • Instantaneous response time
  • Maintenance-free design: No wear and tear
  • Measurement channel made of high-grade PEEK material
  • Sterilizable
  • Volume totalizing and dosing output switch for precise delivery
  • Flow switch for controlling external devices


AccessoryDescriptionCompatible WithImage
SONOTEC SoftwareSensor configuration, calibration, real-time monitoring, and data loggingV2.0 & V3.0
USB Data ConverterProvides power and USB connection to SONOTEC Software; ideal for lab useV2.0 & V3.0
SONOFLOW Remote DisplayCompact external display with zeroing, volume reset, and unit switchingV2.0 & V3.0
Ethernet/IP GatewayConnects SONOFLOW sensors to industrial PLC systems via Ethernet/IPV2.0 & V3.0

Precision made in Germany.

SONOTEC specializes in ultrasonic sensor technology for non-contact liquid flow measurement and air bubble detection. With a strong presence in biopharma and medical applications, SONOTEC delivers:

  • ISO 9001 and ISO 13485 certified manufacturing
  • ATEX / IECEx-ready options for explosive environments
  • Scalable sensor solutions from lab to GMP production

SONOTEC sensors are designed for system integration, continuous processing, and cleanroom compliance — ensuring high performance across the full bioprocess lifecycle.

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Call (650) 376-3837

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