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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
  1. Remarks: √ and X represent meeting and not meeting certain aspect of the standard respectively