Thermetrics offers an external breathing system for our ANDI, Newton, and Thermal Head manikins. Volumetric control is provided by two pneumatic cylinders that are cycled in and out by a servo linear actuator to replicate the cycle, frequency, and volume of human breathing. Each cylinder volume is approximately 1.0 liters, for a total volume of 2.0 liters. The breathing system can be configured to provide temperature controlled and humidified air, with options for particulate and aerosol collection, tracer gas injection, or a constant flow airstream.
System is housed in a rugged ABS suitcase for ease of transport and storage.
When installed in a manikin, the breathing manifold is located behind the manikin face to allow for breathing through the nose, or mouth, or any nose/mouth combination. Settings are made by using a control valve accessed through a small hole at the back of the head. The breathing system’s control interface features three user-adjustable variables: tidal volume (0.1-2.0L),
breathing rate (20-40 cycles/min), and I:E ratio (1:5). Thermetrics exclusive ThermDAC control software automatically monitors test inputs and adjusts the motion of the air cylinders accordingly.
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