Anemometer Calibration

About Anemometer Calibration

Overview (Marketing Description)

The Anemometer Calibration System is a precision solution designed to ensure accurate wind speed and direction measurements through controlled calibration procedures. Utilizing standardized wind tunnel environments or reference-based field methods, the system enables reliable performance verification and correction of anemometers used in meteorology, wind energy, HVAC, and environmental monitoring.

Compliant with international standards, the system provides traceable, repeatable, and high-accuracy calibration essential for critical measurement applications.

Key Features

• High-accuracy wind speed calibration using reference instruments
• Suitable for cup, vane, and ultrasonic anemometers
• Multi-point calibration across full operating range
• Automated data acquisition and correction factor generation
• Compliance with international calibration standards
• Supports both laboratory and field calibration methods

Technical Specifications (Typical Ranges)

Calibration Range

• Wind Speed Range: 0.5 30 m/s
• Calibration Points: 5 15 points (typical)
• Direction Calibration: 0 360

Accuracy

• Reference Accuracy: 0.1% to 0.5% of reading
• System Accuracy: 0.5% to 1% of reading
• Repeatability: 0.2%

Test Environment

• Method: Wind tunnel / controlled airflow chamber / field comparison
• Flow Uniformity: 0.5% to 1%
• Temperature Range: 0C to 50C
• Humidity: Up to 95% RH (non-condensing)

Instrumentation

• Reference Sensor: Pitot tube / calibrated reference anemometer
• Data Output: Frequency / voltage / digital signal
• Data Acquisition System: PC-based with calibration software

Calibration Outputs

• Calibration curve / transfer function
• Correction coefficients
• Error analysis report
• Calibration certificate (traceable to standards)

Standards & Compliance

• IEC 61400-12-1 (Wind energy applications)
• ISO/IEC 17025 (Calibration laboratory standards)
• Traceability to national/international standards (e.g., NIST)

Applications

• Wind Energy: Turbine performance measurement
• Meteorology: Weather station calibration
• HVAC Systems: Airflow verification
• Environmental Monitoring: Air quality studies
• Industrial Testing: Process airflow measurement

 Calibration Capabilities

• Wind speed accuracy verification across full range
• Sensor response testing (rising/falling speeds hysteresis)
• Direction alignment calibration (true north reference)
• Output signal validation and correction

Optional Features

• Fully automated calibration system
• Multi-anemometer calibration setup
• Portable field calibration kit
• Environmental compensation (temperature/pressure correction)
• Integration with wind tunnel systems