Table 1 Distribution of aspects of ISO 26782:2009 standard that ten spirometers meet
From: Technical performance analysis of different types of spirometers
Spirometer number | Style | Accuracy | Repeatability | Linearity | Impedance | Standard meeting |
|---|---|---|---|---|---|---|
Domestic | ||||||
2 | Ultrasonic | × | √ | √ | √ | Partially meeting |
5 | Differential pressure | × | √ | × | × | Partially meeting |
6 | Differential pressure | √ | √ | √ | × | Partially meeting |
8 | Differential pressure | √ | √ | √ | √ | Meeting |
9 | Differential pressure | √ | √ | √ | √ | Meeting |
10 | Differential pressure | × | √ | × | × | Partially meeting |
Imported | ||||||
1 | Ultrasonic | √ | √ | √ | √ | Partially meeting |
3 | Ultrasonic | × | √ | √ | √ | Partially meeting |
4 | Differential pressure | × | √ | × | √ | Partially meeting |
7 | Differential pressure | √ | √ | √ | √ | Meeting |