Fans
Performance testing
Accuracy
Flow measurement
Reproducibility
Power measurement
Air
Ventilators
Performance
Flowmeters
Precision
Extraction fans
Pressure measurement (fluids)
Mathematical calculations
Temperature measurement
Flow rates
Ducted fans
Test equipment
Velocity measurement
Industrial
Classification systems
Testing conditions
Link: BS EN ISO 5801:2017 Fans. Performance testing using standardized airways
Source: BSI Standards
