Sectors : Businesses and Industries, City, Major industries

Accuracy verification of flow measurement systems

Avizo has developed, over the years, various methods to verify the accuracy of most flow measurement systems. Thanks to its experienced staff, its rigorous protocols and its state-of-the-art equipment, Avizo is able to offer, for each situation, simple and affordable methods that meet regulatory requirements and those of Cahier 7 — Méthode de mesure de débit du Guide d’échantillonnage à des fins d’analyse environnementale of the ministère de l’Environnement et de la Lutte contre les changements climatiques (MELCC).

Examples of flow measurement system that can be verified:

For open pipe:

  • Parshall Canal
  • Palmer-Bowlus Canal
  • H channel
  • Trapezoidal Channel
  • Cutthroat canal
  • Leopold-Lagco Canal
  • Triangular spillway.
  • Rectangular spillway (with or without contraction)
  • Cipoletti spillway

For closed pipe:

  • Electromagnetic flow meter
  • Electromagnetic insertion flow meter
  • Counter (turbine, vortex, propeller)
  • Transit time ultrasonic flow meter
  • Doppler effect ultrasonic flow meter
  • Venturi tube
  • Pitot tube.

Verifying the accuracy of flow measurement systems in an industry is often required as part of specific environmental regulations and standards. These requirements may vary depending on jurisdiction, industrial sector and type of effluent involved. However, some general regulations that could include provisions for verifying flow measurement systems include: local environmental regulations, industry standards, environmental permits, and the Loi sur la qualité de l’eau

It is essential that industries know and understand the specific regulations that apply to their business and geographic location. As a result, they can implement flow measurement system verification programs that meet regulatory requirements to ensure data accuracy and compliance with environmental standards.

Regulations affecting manufacturers

For water supply:
For effluent:

Regulations affecting municipalities

For drinking water:
For wastewater:

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Montreal H2S 1B1
4495, Boulevard Wilfrid Hamel, Québec, local 240
Québec G1P 2J7
1994 Michelin Street
Laval H7L 5C2
1125 Cherbourg Street
Sherbrooke J1K 0A8
330 Cormier Street
Drummondville J2C 7L9
150 Saint-Jacques Street
Granby J2G 8V6

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Accuracy verification of flow measurement systems

Complete this form so that our experts will contact you and offer assistance tailored to your situation.

Demande de soumission
Desired services
Sols, réhabilitation et valorisation
Natural Environments and Watercourses
Urban water
Gauging and Calibration of Measurement Equipment
Urban infrastructure and transport
Permits and Authorization

Flowmeter identification

Applicable regulations
Is it possible to vary the flow rate manually?
Is the measuring system located in an enclosed space?
Is it possible to provide us with a person who will help our technician during the job in a confined space?

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