029 2046 3345

the attention you pay to how well it works is a key to its efficiency.

Posted on: Tuesday, July 10, 2012

When fluids move through an apparatus, such as a pipe, it's sometimes necessary to determine the speed at which the fluid is moving. For example, water moving through pipes and into a home must be measured in order to determine whether the system is working correctly. The velocity of a liquid or gas can be measured in several different ways. Flow can be indirectly calculated by measuring the forces the stream produces to overcome constriction. It can also be calculated directly using positive displacement flow meters.

Types of Flow Meters

There are many different types of flow meters available that can measure the velocity of a moving fluid. The most basic flow meters are mechanical and use positive displacement to determine the speed of the liquid. Examples of mechanical flow meters include turbine flow meters, variable area meters and piston meters.

A second type of flow meter is the pressure-based meter. These meters use Bernoulli's principle to measure the velocity of liquids and gas. Examples of pressure-based meters include multi-hole pressure probes, pitot tubes, dall tubes, orifice plates and venturi meters.

Less common types of flow meters include vortex flow meters, thermal mass flow meters, open channel flow measurement and optical flow meters. Each of these apparatuses uses a different technology to measure the speed of the fluid as it flows.

As technology becomes more advanced, engineers develop flow meters that use innovative measurement techniques to determine the velocity of fluids more accurately and efficiently. Examples of more advanced flow meters include coriolis flow meters, electromagnetic flow meters and ultrasonic flow meters.

Ultrasonic Flow Meters

Ultrasonic flow meters are one of the most effective and efficient tools available for measuring the speed of a flowing liquid or gas. These meters work by calculating the time it takes for ultrasonic pulses to travel in the direction of the flow, as well as against it. By comparing these two measurements, the meter can calculate the velocity of the fluid.

Ultrasonic flow meters are one of the most innovative devices used to measure the speed of liquid or gas. Unlike their predecessors, they are extremely accurate and efficient. They are also eco-friendly, easy to install and compatible with a variety of environmental conditions. Furthermore, ultrasonic flow meters are noninvasive, so there is no need to alter the structure of the pipe or other apparatus in order to install the meter.

Heat & Combustion Supplies

Unit E5, Southpoint Industrial Estate
Foreshore Road, Cardiff Bay, Cardiff CF10 4SP


Tel: +44 (0) 29 20 463345
Fax: +44 (0) 29 20 463346


Please refer to manufacturers documentation for
full safety specification and correct fitting.