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Even the most resilient flowmeters can fall out of calibration. A Flowmeter’s performance will degrade over time; parts wear out or break. Flow meters can drift out of standards due to the following factors:

  • Improper Usage
  • Aging
  • Internal Surface Deposits
  • Contamination
  • Severe Contact with Chemicals
  • Differences in Fluid Property
  • External Influences such as Pressure, Temperature, Vibration, etc.

CI Scientific can calibrate your Flowmeters very close to the actual conditions the equipment is used as it is performed in a controlled environment. We ensure the accuracy of results by providing the history of flowmeter performance which will help the client determine if the equipment should need a re-calibration.


A flowmeter is a device used to measure the volume or mass of a gas or liquid. It is referred to by many names such as Flow Gauge, Flow Indicator, Liquid Meter, Flow Rate Sensor, etc. It measures the rate that fluids or gas moves through it.


Flow meters measure either mass or volume. In a volumetric flow meter, the flow Q is equal to the cross-sectional area of the pipe, A, and the velocity of the flowing fluid, v: Q = A * v. In a mass flow meter the mass flow can be represented this way (where Q is the volumetric flow rate and ρ is the fluid density): ṁ = Q ∗ ρ

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