A non contact clamp on flow meter that calculates flow velocity without the need to cut into existing pipework

ORAKEL Time of flight flow meter

A non contact clamp on liquid flow meter, the Orakel Time of Flight flow meter is a non invasive liquid flow measurement tool. It uses ultrasonic technology to calculate flow velocity without the need to cut into existing pipework. This makes it ideal for measuring liquids in industrial process applications.

Transit time ultrasonic flow meters send and receive ultrasonic waves between transducers, in both the upstream and downstream directions, in the pipe. They are perfect for customers unwilling or unable to cut into the process measurement pipe to install an in-line meter.

At ‘no flow’ conditions, it takes the same time to travel upstream and downstream between the transducers. Under flowing conditions, the upstream wave will travel slower and take more time than the (faster)  downstream wave. When the fluid moves faster, the difference between the upstream and downstream times increases. The transmitter processes upstream and downstream times to determine the flow rate.

key features

Intuitive Menu
Driven by HMI, the intuative menu makes installation easy
Precision Positioning
An integrated signal oscilloscope optimises sensor positioning and diagnostics
Flexible Measurement
Liquid can be measured in M, m3, USgal, mg, cf, bbl and Imp bbl. All measured values can be selected as flow rate per second, minute, hour or day and are automatically totalised.
Easy Configuration
Includes an internal database of pipe, fluid and lining materials:
Built in Parameters
Built-in fluid parameters allow calculations to compensate for speed of sound, density, viscosity, specific heat capacity and temperature (if temperature is known from optional temperature probe).
Includes a full set of instrument and measurement diagnostics
Data analysis
An optional GSM data-logger can be added and date sent to an online portal for detailed analysis

LINING:None, Cement, Epoxy, Glass, PP, PVDF, Rubber, Other
PIPE:Carbon Steel, Stainless Steel, Cast Iron, Ductile Iron, Copper, PVC, Aluminium, Asbestos, Fibre Glass – Epoxy, Other
FLUID:Water, Sea Water, Kerosene, Gasolene, Fuel Oil, Crude Oil, Freon R134a, Freon R22, Diesel Oil, Castor Oil, Peanut Oil, Ethylene glycol, Glycol/Water 50%, Alcohol, Other


 Designed to measure liquids, the ORAKEL Time of Flight Sensor can measure almost any fluid that contains <10% solids or gas; including water, oils, petrochemicals, alcohol and more.

The ORAKEL Time of Flight Sensor is suitable for:

  • Liquid flows needing precision measuring
  • High and low temperature flows
  • Pipeline leak detection
  • Management of liquid transfer

  • Process metering and flow measurement
  • Hot and cold water metering and flow measurement
  • Potable water measurement

The ORAKEL Time of Flight flow meter is a cost effective alternative to traditional in-line meter installation.

Industries that will benefit from clamp on flow montioring include:

Power Plants – Monitoring cooling water, pump protection, condensate and boiler feedwater

Water Companies – water treatment inflow, treatment plant outflow, drinking water networks, verification of water meters, pump protection, leak detection

Facility Management – hot and cold water systems, cooling systems and air conditioning systems, pump control.

Chemical and pharmaceutical industry – aggressive and toxic media, oil, raw and wastewater.

Food and Beverage industry – hygenic measurement of liquids



Contact Us


+44 (0)1282 449124

Regent St
Whitewalls Industrial Estate



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