Fluke VT Plus HF, Operator'S Manual

Page: 131 / 134

Gas Flow Analyzer
Specifications
A
A-5
Note: Fluid pressure may be applied to the positive port; however, fluids should be kept from entering the
pressure port by using a suitable length of connection tubing.
Airway Pressure
Maximum Applied Pressure .........................................................................................20 psi
Operating Pressure..........................................................................................
±
120 cmH
2
O
Span Accuracy............................
±
0.75% of reading or
±
0.5 cmH
2
O, whichever is greater
Frequency Response..................................... > 25 Hz or t
10-90
<40 ms, whichever is greater
Resolution............................................................................................................0.1 cmH
2
O
Sample rate ...............................................................................................................100 Hz
Note: Airway pressure is internally tapped off the proximal flow sensor port, which is the port closest to the
exhaust port on the
VT PLUS HF .
High-Flow Port
Maximum Flow Rate (absolute value).......................................................................500 lpm
Operating Flow Range ...........................................................................................
±
300 lpm
Accuracy ......................................................................................................
±
2.0% of range
Resolution................................................................................................................0.01 lpm
Frequency Response..................................... > 25 Hz or t
10-90
<40 ms, whichever is greater
Sample Rate ..............................................................................................................100 Hz
Dynamic Resistance ...................................................................... < 2.00 cmH
2
O @ 60 lpm
Low-flow Dropout........................................................................................................25 lpm
Breath Detect Threshold (user settable) ....................................................................2.0 lpm
Volume Range ........................................................................................................ > +/- 60 l
Notes:
•
Tidal Volume Ac/- 3% of reading or +/- 10 ml, whichever is greater
•
Volume Accuracy tested to 7 liters
•
Flow accuracy is specified for dry air or oxygen
•
Do not use with humidified gases
Low Flow Port
Maximum Flow Rate (absolute value).........................................................................50 lpm
Operating Flow Range .............................................................................................
±
25 lpm
Accuracy ......................................................................................................
±
1.0% of range
Resolution......................................................0.01 lpm flow > 1 lpm; 0.001 lpm flow < 1 lpm
Frequency Response..................................... > 25 Hz or t
10-90
<40 ms, whichever is greater
Sample Rate ..............................................................................................................100 Hz
Dynamic Resistance .......................................................................... < 2.5 cmH
2
O @ 5 lpm
Low-flow Dropout.....................................................................................................0.01 lpm
Breath Detect Threshold (user settable) ..................................................................0.50 lpm
Volume Range .......................................................................................................... > ± 60 l
Notes:
•
Tidal Volume Ac/- 3% of reading or +/- 2 ml, whichever is greater