A full-face mask breathing resistance tester is an instrument used to measure breathing resistance from a full-face mask. It simulates human breathing, calculating breathing resistance by measuring the pressure difference between the full face mask during breathing. The full-face mask respiratory resistance tester has a wide range of applications in industrial, medical, safety and other fields, and is of great significance for ensuring the respiratory safety of workers.
1. Instrument composition.
The full-face mask respiratory resistance tester is mainly composed of the following parts:
1.Mainframe: The mainframe is the core part of the instrument, responsible for providing stable power and air supply, while controlling the entire testing process. The main unit is usually equipped with a display to display the test data and operation menus.
2.Sensor: The sensor is used to measure the pressure difference within the full face mask to calculate the breathing resistance. The sensor is usually installed on a test tubing with one end connected to the main unit and the other end connected to a full-face mask.
3.Connecting tube: The connecting tube is used to connect the sensor to the full face mask to ensure that it is hermetically sealed. The connecting pipe should be made of high-quality materials to ensure the accuracy of the test results.
4.Full face mask: A full face mask is used to simulate a person's facial structure and is usually made of silicone or plastic. Full face masks should be ergonomically designed to ensure the accuracy of test results.
Second, how to use.
When testing with a full-face mask respiratory resistance tester, the following steps need to be followed:
1.Place the main unit on a stable workbench, connect the power supply and air source, turn on the power switch, and wait for the instrument to complete the self-test.
2.The sensor is connected to the connecting tube, and then the connecting tube is connected to the full-face mask to ensure airtightness.
3.Select "Test Mode" in the operation menu of the main unit and set the desired parameters such as respiratory rate and flow rate.
4.Place the full-face mask on the subject's face and adjust the position and tightness to ensure that the full-face mask fits snugly against the face.
5.Press the start button and the instrument will start the test. During the test, the instrument displays the breathing resistance and related parameters in real time.
6.After the test, remove the full face cover, disconnect the tube and sensor, and turn off the power to the main unit.
3. Precautions.
When using a full-face mask respiratory resistance tester, you need to pay attention to the following:
1.Before use, check whether the power supply, air source and connecting pipe of the instrument are in good condition, and deal with any abnormalities in time.
2.During the test, the airtightness of the full face mask should be ensured to avoid air leakage affecting the test results.
3.During the test, a stable respiratory rate and flow rate should be maintained to avoid errors in the test results due to unstable breathing.
4.The instrument should be cleaned and kept dry after use to avoid the influence of moisture and dust on the instrument.