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Figure 6 Display mode one
Figure 7 Display mode two
Figure 9 Display mode four
Figure 10 Display mode five
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
the device, or even damage it.
9 Troubleshooting
Trouble
Possible Reason
The SpO
and Pulse
2
1. The finger is not properly positioned.
Rate
can
not
be
2. The patient's SpO
is too low to be detected.
2
displayed normally
The SpO
and Pulse
1. The finger is not placed inside deep enough.
2
Rate are not displayed
2. The finger is shaking or the patient is
stably
moving.
1. The batteries are drained or almost drained.
The device can not be
2. The batteries are not inserted properly.
turned on
3. The malfunction of the device.
1. The device will power off automatically
The
display
is
off
when it gets no signal within 5 seconds.
suddenly
2. The batteries are almost drained.
10 Key of Symbols
Symbol
Description
Type BF
Warning – See User Manual
The pulse oxygen saturation(%)
PRbpm
Pulse rate (bpm)
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
battery cathode
1.Power switch
2.change direction of the screen
3.Change brightness of the screen
SN
Serial number
Alarm inhibit
WEEE (2002/96/EC)
IP22
International Protection
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
Display Information
Display Mode
The Pulse Oxygen Saturation (SpO
)
OLED
2
Pulse Rate (PR)
OLED
Pulse Intensity (bar-graph)
OLED bar-graph display
Pulse wave
OLED
SpO
Parameter Specification
2
Measuring range
0%~100%, (the resolution is 1%).
Accuracy
70%~100%:±2%, Below 70% unspecified.
Optical Sensor
Red light (wavelength is 660nm)
Infrared (wavelength is 880nm)
Pulse Parameter Specification
Measuring range
30bpm~250bpm (the resolution is 1 bpm)
Accuracy
±2bpm or±2% select larger
Pulse Intensity
Range
Continuous bar-graph display, the higher display indicate the stronger
pulse.
Battery Requirement
1.5V (AAA size) alkaline batteries × 2 or rechargeable battery
Battery Useful Life
Two batteries can work continually for 20 hours
Dimensions and Weight
Dimensions
57(L) × 31(W) × 32(H) mm
Weight
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.
Emission test
compliance
RF emissions
Group 1
CISPR 11
RF emissions
Class B
CISPR 11
Harmonic emissions
Not applicable
All manuals and user guides at all-guides.com
Figure 8 Display mode three
Figure 11 Display mode six
useful life of
Solution
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.
1. Place the finger properly and try again.
2. Let the patient keep calm
1. Change batteries.
2. Reinstall batteries.
3. Please contact the local service center.
1. Normal.
2. Change batteries.
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
IEC 61000-3-2
Voltage fluctuations/
Not applicable
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.
Immunity test
IEC60601 test level
Compliance level
Electrostatic discharge
±6KV contact
±6KV contact
(ESD) IEC 61000-4-2
±8KV air
±8KV air
Power
frequency
3A/m
3A/m
(50Hz) magnetic field
IEC 61000-4-8
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.
Compliance
Immunity
IEC60601 test
Electromagnetic environment -guidance
level
test
level
Radiated RF
3V/m
3V/m
Portable and mobile RF communication equipment should be used no
ICE
80MHz
to
closer to any part of the CMS50D Pulse Oximeter, including cables, than
61000-4-3
2.5GHz
the recommended separation distance calculated from the equation
applicable to the frequency of the transmitter.
recommended separation distance
d
d
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,
each frequency range.
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
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.
Separation distance according to frequency of transmitter
(m)
Rated maximum output power
150KHz
to
80MHz
of transmitter
(W)
3
5 .
d
P
E
1
0.01
0.12
0.1
0.37
1
1.17
10
3.69
100
11.67
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.
network that supplies buildings used for domestic purposes.
Electromagnetic
environment-guidance
Floors should be wood, concrete or
ceramic tile. If floor are covered with
synthetic
material,
the
humidity should be at least 30%.
Power
frequency
magnetic
should be at levels characteristic of a
typical
location
in
a
commercial or hospital environment
3
5 .
80MHz to 800MHz
P
E
1
7
P
800MHz to 2.5GHz
E
1
a
should be less than the compliance level in
b
abnormal
800MHz to 2.5GHz
80MHz
to
800MHz
7
d
P
3
5 .
d
P
E
1
E
1
0.12
0.23
0.37
0.74
1.17
2.33
3.69
7.38
11.67
23.33
relative
fields
typical
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