Figure 6 Display mode one Figure 7 Display mode two Figure 8 Display mode three
Figure 9 Display mode four Figure 10 Display mode five Figure 11 Display mode six
Fingernails and the luminescent tube should be on the same side.
8 Repairing and Maintenance
Please change the batteries when the low-voltage displayed on the screen.
Please clean the surface of the device before using. Wipe the device with medical alcohol first, and then let it dry in air or
clean it by dry clean fabric.
Using the medical alcohol to disinfect the product after use, prevent from cross infection for next time use.
Please take out the batteries if the oximeter is not in use for a long time.
The best storage environment of the device is - 40ºC to 60ºC ambient temperature and not higher than 95% relative
humidity.
Users are advised to calibrate the device termly (or according to the calibrating program of hospital). It also can be
performed at the state-appointed agent or just contact us for calibration.
High-pressure sterilization cannot be used on the device.
Do not immerse the device in liquid.
It is recommended that the device should be kept in a dry environment. Humidity may reduce the useful life of
the device, or even damage it.
9 Troubleshooting
The SpO
2
and Pulse
Rate can not be
displayed normally
1. The finger is not properly positioned.
2. The patient’s SpO
2
is too low to be detected.
1. Place the finger properly and try again.
2. Try again; Go to a hospital for a
diagnosis if you are sure the device works
all right.
The SpO
2
and Pulse
Rate are not displayed
stably
1. The finger is not placed inside deep enough.
2. The finger is shaking or the patient is
moving.
1. Place the finger properly and try again.
2. Let the patient keep calm
The device can not be
turned on
1. The batteries are drained or almost drained.
2. The batteries are not inserted properly.
3. The malfunction of the device.
1. Change batteries.
2. Reinstall batteries.
3. Please contact the local service center.
The display is off
suddenly
1. The device will power off automatically
when it gets no signal within 5 seconds.
2. The batteries are almost drained.
1. Normal.
2. Change batteries.
Warning – See User Manual
The pulse oxygen saturation(%)
The battery voltage indication is deficient (change the battery in time avoiding the inexact measure)
1. no finger inserted
2. An indicator of signal inadequacy
battery positive electrode
1.Power switch
2.change direction of the screen
3.Change brightness of the screen
This item is compliant with Medical Device Directive 93/42/EEC of June 14, 1993, a directive of the
European Economic Community.
11 Function Specification
The Pulse Oxygen Saturation (SpO
2
)
Pulse Intensity (bar-graph)
SpO
2
Parameter Specification
0%~100%, (the resolution is 1%).
70%~100%:±2%, Below 70% unspecified.
Red light (wavelength is 660nm)
Infrared (wavelength is 880nm)
Pulse Parameter Specification
30bpm~250bpm (the resolution is 1 bpm)
±2bpm or±2% select larger
Continuous bar-graph display, the higher display indicate the stronger
pulse.
1.5V (AAA size) alkaline batteries × 2 or rechargeable battery
Two batteries can work continually for 20 hours
About 50g (with the batteries)
Appendix
Guidance and manufacture’s declaration-electromagnetic emission
for all EQUIPMENT and SYSTEMS
Guidance and manufacture’s declaration –electromagnetic emission
The CMS50D Pulse Oximeter is tended for use in the electromagnetic environment specified below. The customer of the user
of the CMS50D Pulse Oximeter should assure that it isused in such an environment.
Electromagnetic environment-guidance
The CMS50D Pulse Oximeter uses RF energy only for their
internal function. Therefore, its RF emissions are very low and are
not likely to cause any interference in nearby electronic
equipment.
The CMS50D Pulse Oximeter is suitable for use in all
establishments, including domestic establishments and those
directly connected to the public low-voltage power supply
network that supplies buildings used for domestic purposes.
Voltage fluctuations/
flicker emission
IEC 61000-3-3
Guidance and manufacture’s declaration-electromagnetic immunity
for all EQUIPMENT and SYSTEMS
Guidance and manufacture’s declaration-electromagnetic immunity
The CMS50D Pulse Oximeter is intended for use in the electromagnetic environment specified specified below. The the user of
CMS50D Pulse Oximeter should assure that it is used in such an environment.
Electromagnetic
environment-guidance
Electrostatic discharge
(ESD) IEC 61000-4-2
Floors should be wood, concrete or
ceramic tile. If floor are covered with
synthetic material, the relative
humidity should be at least 30%.
Power frequency
(50Hz) magnetic field
IEC 61000-4-8
Power frequency magnetic fields
should be at levels characteristic of a
typical location in a typical
commercial or hospital environment
Guidance and manufacture’s declaration-electromagnetic immunity
for EQUIPMENT and SYSTEMS that are not LIFE-SUPPORTING
Guidance and manufacture’s declaration-electromagnetic immunity
The CMS50D Pulse Oximeter is intended for use in the electromagnetic environment specified below. The customer or the
user of CMS50D Pulse Oximeter should assure that it is used in such an environment.
Electromagnetic environment -guidance
Radiated RF
ICE
61000-4-3
Portable and mobile RF communication equipment should be used no
closer to any part of the CMS50D Pulse Oximeter, including cables, than
the recommended separation distance calculated from the equation
applicable to the frequency of the transmitter.
recommended separation distance
800MHz to 2.5GHz
Where P is the maximum output power rating of the transmitter in watts
(W) according to the transmitter manufacturer and d is the recommended
separation distance in meters (m).
Field strengths from fixed RF transmitters, as determined by an
electromagnetic site survey,
a
should be less than the compliance level in
each frequency range.
b
Interference may occur in the vicinity of equipment marked with the
following symbol:
NOTE 1 At 80MHz and 800MHz, the higher frequency range applies.
NOTE 2 These guidelines may not apply in all situations. Electromagnetic propagation is affected by absorption and
reflection from structures, objects and people.
a
Field strengths from fixed transmitters, such as base stations for radio (cellular/cordless) telephones and land mobile
radios, amateur radio, AM and FM radio broadcast and TV broadcastcannot be predicted theoretically with accuracy. To
assess the electromagnetic environment due to fixed RF transmitters, an electromagnetic site survey should be considered. If
the measured field strength in the location in which The CMS50D Pulse Oximeter is used exceeds the applicable RF
compliance level above, the CMS50D Pulse Oximeter should be observed to verify normal operation. If abnormal
performance is observed, additional measures may be necessary, such as reorienting or relocating the CMS50D Pulse
Oximeter.
b
Over the frequency range 150 KHz to 80 MHz, field strengths should be less than 3V/m.
Recommended separation distances between portable and mobile
RF communications equipment and the EQUIPMENT or SYSTEM
for EQUIPMENT or SYSTEM that not LIFE-SUPPORTING
Recommended separation distances between
portable and mobile RF communications equipment and the CMS50D Pulse Oximeter
The CMS50D Pulse Oximeter is intended for use in the electromagnetic environment in which radiated RF disturbances are
controlled. The customer or the user of the CMS50D Pulse Oximeter can help prevent electromagnetic interference by
maintaining a minimum distance between portable and mobile RF communications equipment (transmitters) and the CMS50D
Pulse Oximeter as recommended below, according to the maximum output power of the communications equipment.
Rated maximum output power
of transmitter
(W)
Separation distance according to frequency of transmitter
(m)
For transmitters rated at a maximum output power not listed above, the recommended separation distanced in meters (m) can
be estimated using the equation applicable to the frequency of the transmitter, where P is the maximum output power rating of
the transmitter in watts (W) according to the transmitter manufacturer.
NOTE 1 At 80MHz and 800MHz, the separation distance for the higher frequency range applies.
NOTE 2 These guidelines may not apply in all situations. Electromagnetic propagation is affected by absorption and
reflection from structures, objects and people.
All manuals and user guides at all-guides.com
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