ISO 9001
CE Certified
Make In India
Features
- Forced Expiratory Volume in 1 second (FEV₁): The volume of air forcefully exhaled during the first second of the FVC maneuver.
Technical Specifications
| Volume Range | Capable of measuring a minimum of 8 liters (L), with some devices ranging up to 10-14 L. |
| Volume Accuracy | Must be accurate to within at least ±3% of the reading or ±0.050 L, whichever is greater. |
| Flow Range | Capable of measuring flows between 0 and 14 L per second (L/s), with some devices reaching ±16 L/s. |
| Flow Accuracy | Flow measurements should be accurate to within at least ±5% of the reading or ±0.200 L/s, whichever is greater. |
| Airway Resistance | The total resistance of the circuit (including mouthpiece, filters, etc.) should be less than 1.5 cm H₂O/L/s at an airflow of 14 L/s. |
| Calibration | Devices should be checked for calibration daily using a calibrated 3-L syringe to ensure accuracy is maintained. |
| Connectivity | Modern devices often feature USB or Bluetooth connectivity for interfacing with computers or smartphones for data analysis, storage, and transfer to electronic medical record (EMR) systems. |
| Output | The system should provide real-time flow-volume loops and volume-time graphs on screen or via printout. |
| Measured ParForced Vital Capacity (FVC) | The total amount of air a person can forcefully and completely exhale after a maximal inhalation. |
| FEV₁/FVC Ratio | The ratio of FEV₁ to FVC, which helps differentiate between obstructive and restrictive lung diseases. |
| Peak Expiratory Flow (PEF) | The maximum flow rate achieved during the forced exhalation. |
| Tidal Volume (TV) | The amount of air inhaled or exhaled during normal, restful breathing. |
| Maximum Voluntary Ventilation (MVV) | The maximum amount of air a subject can breathe over a specified period of time (usually 12 seconds)ameters |
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