BD Manufacturer’s calibration (1-point) measuring fan BlowerDoor Standard (model 4)
One measured value is calibrated per flow ring. The requirement of ISO 9972 (measuring accuracy of the measuring system ± 7 %) is evaluated. Previous basic maintenance and functional test are included.
Recommended calibration interval 4 years.
Flexible calibration dates according to customer requirements. Registration desired to ensure short calibration times of max. 5 working days.