This meter utilizes the Coriolis force for flow measurement. The omega loop has proven itself particularly suitable for this process. The measuring tubes, which are bent to omega loops, are completed by two measuring bars and vertically secured torsion bars to create a harmonious oscillator. This carefully balanced and robust design has an extremely low power input. The frequency of the system essentially depends on the mass of the bars and the elasticity module of the torsion bars. Two electromagnetic coils set the system in motion. As soon as liquid or gas flows through the oscillating omega tubes, the resultant Coriolis force causes displacement of the tubes. The comparative relationship is established and the change in displacement is proportional to the mass flow.


  • Mass Flow Range: 0.004 kg/min all the way up to 25,000 kg/min.
  • high accuracy better ±0.15 %, versatility and repeatability
  • repeatability better ±0.05%
  • Hastelloy, Tantal and SS material of construction available
  • Pressure up to 890 bar
  • Temperature range: -200C to 400C


  • Custody Transfer of Mineral Oils, Bitumen and other viscous media


Toshniwal Instruments (Madras) Pvt. Ltd, 267, Kilpauk Garden Road Chennai, Tamil Nadu - 600 010 (India)



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