PAS Systems International PAS V Calibration Manual
Also see for PAS V: Instruction manual
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3Operating the Alcohol Wet Bath SimulatorThe Alcohol Wet Bath SimulatorThe lower (jar) portion is filled with a heated solution of water and alcohol, whichsimulates the blood running through the arteries in the lungs. The upper portion (thehead space) is filled with a mixture of air and alcohol that simulates the air in the lungsthat is in contact with the blood across the cell membranes. Air flowing out of the outletpipe simulates the expired air of a person who has been drinking.In order to work properly, the temperature of the water/alcohol solution must be 34° C(body temperature) and the mixture of alcohol and water must be accurate for the BrACto be used in the test (.01 or .005 BrAC).Preparing Wet Bath Simulator1. Remove the glass jar from the simulator by unscrewing it from the top assembly.Caution: DO NOT remove Top Assembly and expose the heating element to openair with power turned ON. This will result in damage to the heating element.2. Place 500 ml of the .005 calibration solution into the simulator.3. Assemble by tightly turning the jar back into the top assembly.4. Add tubing to the inlet and outlet of the simulator.5. Check the seal of the lid on the jar by blowing into the inlet while holding outletclosed. There should be resistance to the airflow.6. Plug in the simulator and turn the power ON and allow the solution to heat to34◦C (approx 15 min). The heater lamp is lit when the heating element isheating. The heater lamp goes off when the simulator fluid has reached 34◦C.However, it will come back on from time to time to keep the fluid at 34◦C. When34°C is reached, the simulator is ready to be used.Outlet to PAS VOn/Off SwitchHeater ON LightInlet Tube |
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