8
2) Any disposable mouthpieces included with the spirometer are only to be used as a
reference guide to purchase the correct size mouthpiece required. These mouthpieces
are clean but not sterile. To purchase appropriate mouthpieces, generally either paper
or plastic.We suggest that you contact your local distributor.
Warning:
1) Use a bio-compatible mouthpiece to avoid any problems to the patient.Unsuitable
materials could cause the device to malfunction, consequently providing incorrect test
results.
2) The user is responsible for obtaining the proper mouthpieces for the device. The
required mouthpiece is a standard type with an outside diameter of 30 mm, is of
common use and in general easily procured.
5.4 Power supply preparation
1) This device uses 3.7 V rechargeable lithium battery.It is not equipped with a power
adapter. Please use an adapter which meets the requirements of IEC 60601-1.
2)The output voltage of the power adapter is DC 5 V, 1 A.
3) Use the USB cable to charge the lithium battery. While charging,the device can not
work.
4) Battery charging
When this device is in low-battery state,please use an adapter to charge the lithium
battery. During the charging process, the battery symbol on the display will flash and
"Charging" will display on the screen.
Charging diagram of Spirometer
Caution:
1)
The lithium battery has been built-in. Please do not disassemble it without
permission.
2)
This device cannot be used during charging.
3)
Please charge for at least 30 minutes at the first use.