You searched for: “pneumatometers
pneometer, pneumatometer (s) (noun); pneometers; pneumatometers (pl)
A device to measure the force of inspiration or expiration of an individual's lungs: Dr. Smith decided to use a pneometer to assess Jack's respiratory gases and the capacity of his lungs with a spirometer.
pneumatometer (s) (noun), pneumatometers (pl)
An apparatus that is used to measure the force exerted by a person's lungs during a single breath; spirometer: Dr. Smith used a pneumatometer to assess the volume of Jane's lungs, since she had a lung disorder that needed treatment.