The Model 622 is identical in size to the Model 644 with 3 less sonic nozzles. It was designed for companies with a limited budget and smaller range of parts to measure Mass airflow and other related measurements on turbine engine parts.
Need more accuracy? CCDI can offer Digital Transducers.
Disclaimer – Standard measurement uncertainty is up to 0.50% without lab calibrated nozzles. Measurement uncertainty may vary with flow, sensors used, calibration etc. Contact CCDI engineering to ensure best case uncertainty can be achieved for your test setup.