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Anemometer calibration services

Applus+ Gometrics offers an anemometer calibration service in our laboratory.

We have a state-of-the-art aerodynamic wind tunnel that allows us to perform calibrations of these instruments.

Why is it necessary to calibrate anemometers?

Anemometer calibration is essential to ensure accurate and reliable measurements of air velocity or air flow rate, critical in industrial, HVAC, meteorological, energy and occupational safety applications.

Anemometers, as measuring instruments, can degrade over time due to continuous use, dirt accumulation, mechanical wear and tear or exposure to adverse environmental conditions. If not periodically calibrated, their readings can present errors that directly impact process quality, energy consumption or even human safety.

This service is essential in sectors where air flow control is crucial: from residential and industrial HVAC systems, environmental monitoring, ventilation control in mining and tunnels, to the correct installation and operation of wind turbines or hospital air conditioning systems.

In our specialized calibration laboratory, we calibrate a wide variety of air velocity instruments, including:

  • All types of anemometers (thermoanemometers, hot wire anemometers, turbine anemometers, cup anemometers, ultrasonic anemometers, among others).
  • Pitot tubes (essential for measuring air velocity by pressure difference in ventilation, HVAC and laboratory systems).

Industrial applications and target sectors:

This new calibration service meets the metrological requirements of regulated and high-tech sectors:

  • Automotive industry: wind tunnels for aerodynamic and climatic tests
  • Pharmaceutical industry: validation of HVAC systems in classified areas
  • Environmental laboratories: air quality monitoring and ventilation systems
  • Official agencies: calibration of reference equipment for monitoring networks
  • Energy sector: wind turbine characterization and wind resource studies.

Technical scope of the laboratory

Our wind tunnel allows the calibration of air velocity measurement equipment, in ranges from 0.05 m/s to 30 m/s, with different test configurations depending on the type of instrument.

Uncertainty
Magnitude

Measurement range

CMC

Objects of
calibration
V” wind speed

3 m/s ≤ V ≤ 30 m/s

(0.12 + 0.00325-V) m/s

Thermoanemometers

Vane anemometers

Cup anemometers

Ultrasonic anemometers

Direct reading anemometer


0,05 m/s ≤ V ≤ 0,1 m/s
(0.03 + 0.115-V) m/s


0,1 m/s ≤ V ≤ 0,6 m/s
(0.02 + 0.015-V) m/s


0.6 m/s < V ≤ 2.5 m/s
(0.0052 + 0.045-V) m/s

2.5 m/s < V ≤ 5.0 m/s
(0.02 + 0.045-V) m/s

5 m/s ≤ V ≤ 30 m/s

(0.12 + 0.00325-V) m/s

Pitot tubes

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