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Spirometers, Heart Rate Meters, etc.

Thread Status: Hello , There was no answer in this thread for more than 60 days.
It can take a long time to get an up-to-date response or contact with relevant users.

anthropisces

Well-Known Member
Jun 8, 2006
119
11
108
What type of equipment is employed by Freedivers to measure respiratory flow, heart rate, O2 meters, etc.?

Who here has used any such equipment? At what level (intermediate? advanced?) does it make sense to use any such technology?
 
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