FLOW CALIBRATION SERVICES
Liquid and Gas Flow Calibration
Coriolis Mass Flow Meter
Gas Flow Meters
- Thermal mass flow technology specialists
- Certified procedure for calibration in totalization of diaphragm and rotary meters
- Accredited calibration scope from as low as 0,5 SCCM up to 6000 SLPM
- High-pressure and high flow calibration up to 3600 psi(g)
- 26 flow standards to provide the widest range of gas flow calibration services
Hydraulic Fluids, Solvants & Oils Flow Meters
Liquid Volumetric Flow Meters
- High accuracy transfer standard liquid flow calibration system
- ISO/IEC 17025:2017 accredited for volumetric & mass flow measurement
- Service on all major brands of: Electromagnetic, mechanical and positive displacement for non- lubricant fluids; tube meters & rotameters; vortex, ultrasonic and other types of volumetric flow meters from 0.378 up to 1,100 LPM (290 GPM)




Customer Service with a Human Touch
Our main objective is to meet our customer specific requirements by executing precise and reliable flow metrology services in a timely manner. Our services include:
- Live communication channels: Ask for updates or file special requests at any time
- 10-day service for standard calibration and expedited service for emergencies
- Detailed “as-found” and “as-left” calibration report including notifications and any observations of out-of-tolerance conditions
- Adjustments on major brands with various proprietary calibration software
- ISO/IEC 17025:2017 calibrations report meeting the industry standards, including biomedical and aerospace regulatory requirements
- ASTM cleaning procedure for Oxygen service (O2 Clean)
- Repair, resizing and refurbishing of all major brands of flow meters
- Extensive inventory of instruments and spare parts
- Liquid density metering, viscosity & density calibration available
Flow Calibration Services
Water, Liquid and Gas Flow
Our 18 000 square foot facility is home to a team of experienced process engineers and metrologists who can improve your process and help you maximize your plant productivity. With one of the largest flow calibration scopes in North America, for all types of fluids (inert gases, combustible & corrosives gases, specialties gases, fuels, oils, solvents and water), Polycontrols offers tailored solutions for all your flow calibration needs.


Technical Team
Over the years we have built a reputation of delivering expert advice and extended in-depth customer support thanks to hard work, rigor and passion.
Offering flow calibration services in-house for all flow metering technologies – Thermal mass, Coriolis, Vortex, Laminar, Volumetric, Variable Area, ultrasonic, Turbine, Orifice plate and Nozzle, Differential Pressure, Diaphragm and Rotary type flow meter – allows our team to balance and coordinate quickly, efficiently and with a common focus: Produce precise and reliable results, on-budget, on schedule and day after day.
Calibration Capabilities
Our calibration facility can calibrate your instruments within the following ranges:
• Gases: 5 sccm to 6000 slpm, air-equivalent or nitrogen
• Liquids:
• 0,378 kg/min to 1100 kg/min (mass flow calibration)
• 0,378 l/min to 1100 l/min (volumetric flow calibration)
• Density: from 500 kg/m³ to 1020 kg/m³
Our installations use a wide range of calibration fluids for optimal compatibility:
• Gases: Air, N², Ar, He, H², & CO²
• Liquids: Water, MIL-C-7024 T2 and Oil (BP 2380)
