Sensor: Air Plethysmograph (APLT)

The Air Plethysmograph measures the variations of limb volume under venous occulsion.
The Air Plethysmograph consists in:

• 2 measurement cuffs (arm and leg) inflated at 6 mm Hg
• 2 occlusive cuffs (arm and leg) manually inflated up to 60 mm Hg
• a control/command electronic box

It can measures volume variations from 0 to 400 ml with an accuracy <=2%.