Please read these instructions carefully before using your ONE FLOW TESTER MEMO.
The ONE FLOW TESTER MEMO uses
- The ERS 93 predicted values in patients of 18 years of age and older.
- The Knudson predicted values are used for patients aged 9 years to 18 years of age.
Start up
Inserting batteries:
1. Open the battery compartment cover on the back of the ONE FLOW TESTER MEMO.
2. Insert 4 1.5 volt LR03 AAA alkaline batteries in the battery compartment, making sure the + and the - are lined up correctly. Close the battery compartment.
3. Ensure that the mouthpiece tube is pushed fully home into the instrument before use.
MEASUREMENTS
1. Press On/Off button to turn on
2. Check correct operation of the display and LEDs.
3. Press the START button.
4. A flashing standby message (---) indicates that you must wait
5. When the Go message is displayed, followed by 2 beeps, you have 10 seconds to make a forced expiration.
6. Breathe in deeply with your chin up and your mouth open.
- Hold your instrument in both hands in a still, horizontal position.
- Breathe out as hard as you can for as long as you can until you feel that your lungs are totally empty
7. By pressing SELECT you can then read either your
PEF or FEV1
The flashing LED indicates the selection.
If you want to make another measurement, press the START button again and follow steps 4-7.
When possible, make 3 measurements, resting between each measurement.
After you have completed the test, press BEST button to see the highest PEF, FEV1, measurements made in that test.
Switch the instrument off by pressing the ON / OFF button for 2 seconds.
Should you forget, the instrument will switch itself off automatically
