General Tools DCFM8901 Digital CFM Anemometer with Serial Output

General Tools DCFM8901 Digital Air Flow CFM Anemometer RS Output gives instant display of CFM, FPM, CMS, MPS and temp. in a digital air flow cfm anemometer rs output. General Tools DCFM8901 Digital Air Flow CFM Anemometer RS Output provides the needed features of a cfm anemometer. Formerly Mannix Instrument.