Style :fl air volume tester (chinese patent no¡êozl 01 2 72911.6) Function:lcd display, print interface Built-in battery, continuous working>30 hours Data saved without power(within 4hours) Test range:100 3500m3/h Accuracy: 5%f.S Resistance 5pa Date storage:1000samples, rotating buffer. Hoodosize available 570 570 (mm) 830 830 (mm) 7.2v battery and changer
