Atrato Ultrasonic Flow Meter with Time of Flight Measurement System

Titan’s latest innovation is the Atrato flowmeter range. These ultrasonic flowmeters offer superior precision and were created after eight years of R&D in partnership with Cranfield University’s Department of Process & Engineering.

The Atrato flowmeters are sturdy with clean bore construction, which makes them suitable for a wide range of low flow applications. Its USB port allows software connectivity at a touch of a button, and its signal processing unit allows flow measurement across the entire Reynolds number range, thereby allowing both viscous and non-viscous products to be metered precisely. Signal discrimination identifies deviations in the flow and produces reports as required.

The Atrato’s time of flight measuring system is designed to determine the upstream and downstream flight times and fluid velocity is given by half the difference of both. Its patented unit can measure these time differences to a precision of more than 200 picaseconds, which reflects the instrument’s outstanding metering performance.

Since the pipe geometry is known, the resulting pulse output obtained is just right for the volume that passes. There is a further improvement in the performance as a result of the primary signal to noise ratio, which is typically 1000:1 and sometimes as high as 3000:1.

The USB connection allows users to directly monitor the rate and total on a laptop as well as change certain operating parameters such as the pulse resolution and units. In case the rate and total or the analogue boards are utilized, their programming and operation can be accessed directly. It is also possible to perform data logging and operational statistics at a later date.

Key Features

The main features of the Atrato flowmeters are:

  • Low flows from luminar to turbulent
  • Excellent accuracy over very wide flow ranges, across the whole span
  • Precision is better than +/-1.5%
  • Immune from viscosity
  • Excellent turndown, repeatability and linearity
  • Can monitor flow over a range of 200:1


The main applications of the Atrato flowmeters are in:

  • Drink dispensing
  • Active flow alarms
  • OEM applications
  • Semiconductor plant
  • Laboratory tests
  • Cooling equipment

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