PFT Calibration Ranges

Modified on Fri, 20 Sep at 9:44 AM

 

Volume calibration

Error

Warning

Good

Warning

Error

Vol corr in

< 0.75

0.75 - 0.9

0.9 – 1.1

1.1 – 1.25

> 1.25

Vol corr ex

< 0.75

0.75 – 0.9

0.9 – 1.1

1.1 – 1.25

> 1.25

Vol corr in –

Vol corr ex

< -0.07

 

 -0.07 – 0.07

 

> 0.07



Flow linearity

Error

Warning

Good

Warning

Error

Deviation low in

< -3.0

 

-3.0 – 3.0

 

3.0

Deviation low ex

< -3.0

 

-3.0 – 3.0

 

3.0

Deviation medium in

< -3.0

 

-3.0 – 3.0

 

3.0

Deviation medium ex

< -3.0

 

-3.0 – 3.0

 

3.0

Deviation high in

< -3.0

 

-3.0 – 3.0

 

3.0

Deviation high ex

< -3.0

 

-3.0 – 3.0

 

3.0


 

Cabin calibration

Error

Warning

Good

Warning

Error

Time constant

< 2.5

2.5 - 5.0

5.0 - 60.0

> 60.0

 

Box correction

< 1.0

 

1.0 - 1.35

1.35 - 1.4

> 1.4

  

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