Magnetic Metering Assemblies - Model

MeterVault

Magnetic and Ultrasonic Flow Meters

The MeterVault® is available in Magnetic or Ultrasonic Flow Meter configurations. These meters are used on applications such as municipal water service, reclaimed water, raw sewage, or when the meter location is difficult to reach.

Magnetic and ultrasonic flow meters have a flow tube design that is completely non-intrusive and maintenance-free. Whereas other meters can clog and can require frequent maintenance when used in liquids with suspended solid, magmeter and ultrasonic flow meters have no moving parts to impede the flow. Magnetic and ultrasonic flow meters are available up to 54" dia.

Electromagnetic flow meters (also called a Magmeter) operate on the principle of Faraday’s Law. Water, as a conductor, moves through a magnetic field and produces an electrical signal.

Ultrasonic flow meters use sound waves to measure the velocity of fluid flowing through a pipe and convert that data to volume. Two basic types of ultrasonic meters are transit-time and Doppler meters.

Features
Dolor Sit Amet

  • Built to city and municipal specifications
  • Variety of piping configurations
  • Factory pre-assembled and tested
  • Precast concrete vault and access hatchway
  • OEM brands of turbine meter and other components
  • No flow obstructions
  • No moving parts
  • No head loss
  • Bi-directional flow

Electromagnetic meters operate under Faraday’s Law of Electromagnetic Induction to measure liquid velocity. The law states that a conductor moving through a magnetic field produces an electrical signal within the conductor, which is directly proportional to the velocity of the water moving through the field. As a conductive fluid—like water—flows through the magnetic field, a voltage is induced across the two measuring electrodes. The resulting voltage magnitude is directly proportional to the average velocity of the fluid. The induced voltage is then amplified and digitally processed to produce an accurate digital or analog signal. This signal can then be used to indicate flow rate or totalization of fluid volume, or to communicate or interface with another piece of equipment

Ultrasonic flow meters use sound waves to measure the velocity of fluid flowing through a pipe and convert that data to volume. Two basic types of ultrasonic meters are transit-time and doppler meters.

Transit-time meters send ultrasound signals into the flow using transducers that are either clamped onto or inserted into the pipe at two locations. The difference between the time it takes for sound to travel upstream and downstream between the two sensors is directly proportional to flow velocity.

Doppler meters use sound waves reflected off materials in the fluid, such as air bubbles or particulates, to measure flow velocity.

Additional Resources

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Flyer

MeterVault Flyer

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