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Response time of slower average is 9.1s. 

Declaration 

Guidance and Manufacturer’s declaration – electromagnetic emissions-For all EQUIPMENT and SYSTEMS 

Guidance and Manufacturer’s declaration - electromagnetic emission 

The

 

RMI-POX4C

 

Pulse Oximeter is intended for use in the electromagnetic environment specified below. The customer or the 

user of RMI-POX4C Pulse Oximeter should assure that it is used in such an environment.

Emission test 

Compliance 

Electromagnetic Environment – guidance 

RF emissions CISPR 11 

Group 1 

The RMI-POX4C Pulse Oximeter uses RF energy only for 
its internal function. Therefore, its RF emissions are very 
low and are not likely to cause any interference in nearby 
electronic equipment. 

RF emissions CISPR 11 

Class B 

The pulse Oximeter (RMI-POX4C) is suitable for use in all 
establishment, including domestic establishments and 
those directly connected to the public low-voltage power 
supply network that supplies buildings used for domestic 
purposes. 

Harmonic emissions 
IEC 61000-3-2 

Not Applicable 

Voltage fluctuations/ flicker emissions 
IEC 61000-3-3 

Not Applicable 

Guidance and Manufacturer’s declaration – electromagnetic immunity-For all EQUIPMENT and SYSTEMS 

Guidance and Manufacturer’s declaration - electromagnetic immunity 

The RMI-POX4C Pulse Oximeter is intended for use in the electromagnetic environment specified below. The customer or the 
user of the RMI-POX4C Pulse Oximeter should assure that it is used in such an environment. 

Immunity 

test 

IEC 60601 test 
level 

Compliance 
Level 

Electromagnetic Environment – guidance 

Electrostatic 
Discharge (ESD) 
IEC 61000-4-2 

+/- 6kV contact 
+/- 8kV air 

+/- 6kV contact 
+/- 8kV air 

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 (50/60 Hz) 
magnetic field 
IEC 61000-4-8 

3A/m 

3A/m 

Power frequency magnetic fields should be at levels 
characteristics of a typical location in a typical 
commercial or hospital environment. 

Guidance and Manufacturer’s declaration – electromagnetic immunity- 

For all EQUIPMENT and SYSTEMS that are not LIFE-SUPPORTING 

Guidance and Manufacturer’s declaration - electromagnetic immunity 

The RMI-POX4C Pulse Oximeter is intended for use in the electromagnetic environment specified below. The customer or the 
user of the RMI-POX4C Pulse Oximeter should assure that it is used in such an environment. 

Immunity 
test 

IEC 60601 
test level 

Compliance 
Level 

Electromagnetic Environment – guidance 

Radiated 
RF 
IEC 
61000-4-3 

3 V/m 
80 MHz to 
2.5 GHz 

3 V/m 

Portable and mobile RF communications equipment should be used no closer 
to any part of the Pulse Oximeter (RMI-POX4C), including cables, than the 
recommended separation distance calculated from the equation applicable to 
the frequency of the transmitter. 
Recommended separation distance 

  80 MHz to 800 MHz 

  800 MHz to 2.5 GHz 

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 following 
symbol: 

NOTE 1    At 80 MHz and 800 MHz, the higher frequency range applies. 
NOTE 2    These guidelines may not apply in all situations, Electromagnetic propagation is affected by absorption and reflection 
structures, objects and people. 

a    Field strengths from fixed transmitters, such as base station for radio (cellular/cordless) telephones and land mobile radios, 
amateur radio, AM and FM radio broadcast and TV broadcast cannot 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 Pulse Oximeter (RMI-POX4C) should be observed to verify normal 
operation. If abnormal performance is observed, additional measurements may be necessary, such as reorienting of the 
relocating the Pulse Oximeter (RMI-POX4C). 
b    Over the frequency range 150 kHz to 80 MHz, fields strengths should be less than 3 V/m 

Recommended separation distances between portable and mobile RF communications equipment and 

the EQUIPMENT or SYSTEMS - For all EQUIPMENT and SYSTEMS that are not LIFE-SUPPORTING 

Recommended separation distances between   

portable and mobile RF communications equipment and

 Pulse Oximeter (RMI-POX4C)

 

The 

Pulse Oximeter (RMI-POX4C)

 is intended for use in electromagnetic environment in which radiated RF disturbances are 

controlled. The customer or the user of the 

Pulse Oximeter (RMI-POX4C)

 can help prevent electromagnetic interference by 

maintaining a minimum distance between portable and mobile RF communications equipment (transmitters) and the 

Pulse 

Oximeter (RMI-POX4C) 

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) 

80 MHz to 800 MHz 

800 MHz to 2.5 GHz 

0.01

0.1167

0.2334

0.1

0.3689

0.7378

1

1.1667

2.3334

10

3.6893

7.3786

100

11.6667

23.3334

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 80 MHz and 800 MHz, 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. 

Possible Problems and Solutions 

Problems 

Possible reason 

Solution 

SpO

2

 or PR can not 

be shown normally 

1. Finger is not inserted correctly

2. Patient’s SpO

2

 value is too low to be measured

1. Retry by inserting the finger

2. There is excessive illumination

3. Try some more times. If you can make sure no 

problem is existing in the product, please go 

to a hospital timely for exact diagnosis. 

SpO

2

 or PR is shown 

unstably 

1. Finger might not be inserted deep enough.

2. Excessive patient movement

1. Retry by inserting the finger

2. Be calmness

The oximeter can not 

be powered on 

1. No battery or low power of battery

2. Batteries might be installed incorrectly

3. The oximeter might be damaged

1. Please replace batteries

2. Please reinstall the batteries

3. Please contact with local customer service 

centre 

Indication lamps are 

suddenly off 

1. The product is automatically powered off when no 

signal is detected longer than 8 seconds 

2. The battery power is too low to work

1. Normal

2. Replace the batteries 

“Error3”  or  

“Error4” is displayed 

on screen 

1. Err 3 means the red emission LED is damaged

2. Err 4 means the infra-red emission LED is damaged

1. Check the red emission LED

2. Check the infra-red emission LED

Error 6 

Err 6 means the screen is failure 

Change the screen 

“Error7” is displayed 

on screen 

Err 7 means all the emission LED or reception dioxide is 

damaged. 

Check the emission LED and reception dioxide. 

Symbol Definitions 

Symbol Definition 

Type BF applied part. 

Attention, consult accompanying documents. 

Protected against dripping water. 

SpO

2

 

Oxygen saturation 

PR 

bpm

 

Pulse rate (BPM) 

Low power indication 

No SpO

2

 Alarm 

SN 

Serial No. 

Storage temperature and relative humidity 

Date of Manufacture 

Note: The illustrations used in this manual may differ slightly from the appearance of the actual product. 

Manufactured for:   

Roscoe Medical, Inc.   

21973 Commerce Parkway 

Strongsville, Ohio 44149 

ALL RIGHTS RESERVED 

Issue Date: 8/September 2011

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