Spiropet Spirometer
Using an air-flow powered, precision gear train to indicate air volume in 100 cc increments from 1000 to 7000 cc. Includes 50 mouthpieces & brief instructions.
Most popular and accurate of the lowest cost spirometers for measuring FVC. All mechanical operation, no electronics and requires no batteries.
Range 1000 to 7000 cc. Accuracy /- 15%. Made in Japan. Disposable paper mouthpieces available.
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