User's Manual
Table Of Contents
SmartOne
Page 9 of 17
Rev.0.1
User manual
Measured parameters:
SYMBOL
DESCRIPTION
m.u.
FVC
Forced Vital Capacity
L
FEV1
Volume expired in the 1
st
second of the test
L
FEV1%
FEV1/FVC x100
%
FEV3
Volume expired in the initial 3 seconds of the test
L
FEV3/FVC
FEV3/FVC x 100
%
FEV6
Volume expired in the initial 6 seconds of the test
L
FEV6%
FEV1/FEV6 x 100
%
PEF
Peak Expiratory Flow
L/min
FEF25
Forced Expiratory Flow at 25% of FVC
L/s
FEF50
Forced Expiratory Flow at 50% of FVC
L/s
FEF75
Forced Expiratory Flow at 75% of FVC
L/s
FEF2575
Flow ratio at 25% and at 75%
%
FET
Forced expiratory time
S
Vext
Extrapolated volume
mL
FIVC
Forced inspiratory volume
L
FIV1
Volume inspired in the 1
st
second of the test
L
FIV1/FIVC
FIV1/FIVC x 100
%
PIF
Peak inspiratory flow
L/s
ELA
Estimated lung age
years
*FVC
Best FVC
L
*FEV1
Best FEV1
L
*PEF
Best PEF
L/s
VC
Slow vital capacity (expiratory)
L
IVC
Slow inspiratory vital capacity
L
IC
Inspiratory capacity (max between EVC and IVC) - ERV
L
ERV
Expiratory reserve volume
L
FEV1/VC
FEV1/VC x 100
%
VT
Tidal volume
L
VE
Ventilation per minute, at rest
L/min
Rf
Respiratory frequency
ti
Average time of inspiration, at rest
S
te
Average time of expiration, at rest
S
ti/t-tot
Average time of inspiration / total time
min
VT/ti
Average inspiratory flow, at rest
L/s
MVV(cal)
Maximum voluntary ventilation calculated on FEV1
L/min
*= best values
Flow/volume measurement system
Bi-directional digital turbine
Temperature sensor
semiconductor (0-45°C)
Measurement principle
Infrared interruption
Volume range
10 L
Flow range
16 L/s
Volume accuracy
3% or 50 mL
Flow accuracy
5% or 200 mL/s
Dynamic resistance at 12 L/s
<0.5 cmH
2
O
1.6.2 Other features
Interface
Bluetooth low energy (4.0 or higher)
Power supply
2 x 1.5 V AAA type alkaline battery
Dimensions
142x49.7x26mm
Weight
65 grams
Storage conditions
Temperature: MIN -40 °C, MAX + 70 °C
Humidity: MIN 10% RH; MAX 95%RH
Shipping conditions
Temperature: MIN -40 °C, MAX + 70 °C
Humidity: MIN 10% RH; MAX 95%RH
Operating conditions
Temperature: MIN + 10 °C, MAX + 40 °C;