The NDD Easy On-PC is a great, portable, USB based spirometer which employs ultrasonic technology to accurately measure spirometric data. It has a great low flow detection because of the superior technology which it uses.
The operator can see both Flow/Volume & Volume/Time curves simultaneously. It also has great built in animated incentives. The NDD easy-on PC is great for occupational health spirometry. It also connects directly to the African Management Software making it simple & easy use.