2008-5-19 2004-3-9 This patented monitor is the next generation in respiration monitors. This device uses no microphones to monitor the depth of breathing. This attribute is the result of the state of the art patented technology being used.The monitor produces a tone whose volume is proportional to the depth of breathing. 38656 text/html 1.0 EN Tidal volume monitor veterinarian veterinary veterinarian supplies veterinary equipment monitors sensors Respiration Tidal Volume Monitor text EZ-NetTools EZ-NetTools specializes in providing professional custom web site design and ecommerce services that you can easily maintain.