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Guidance and manufacturer’s declaration – electromagnetic immunity –   
for EQUIPMENT and SYSTEM that are not LIFE-SUPPORTING   

 

Guidance and manufacturer’s declaration – electromagnetic immunity

 

The SF-371 body fat scale    is intended for use in the electromagnetic environment specified below. The customer or 

the user of the SF-371 body fat scale    should assure that it is used in such an environment. 

Immunity test 

IEC 60601 test 

level 

Compliance level 

Electromagnetic environment - guidance 

 

 

 

 

 

 

 

 

Conducted RF 

 

IEC

 61000-4-6 

 

 

 

 

 

 

 

Radiated RF 

 

IEC

 61000-4-3 

 

 

 

 

 

 

 

 

 

3 Vrms 

 

150 kHz to 80 MHz 

 

 

 

 

 

 

 

3 V/m 

 

80 MHz to 2.5 GHz 

 

 

 

 

 

 

 

 

 

N/A 

 

 

 

 

 

 

 

 

 

 

3 V/m 

 

Portable  and  mobile  RF  communications  equipment 

should be used no closer to any part of the 

SF-371 body 

fat  scale  ,

  including  cables,  than  the  recommended 

separation  distance  calculated  from  the  equation 

applicable to the frequency of the transmitter. 

 

Recommended separation distance 

P

V

d

]

5

.

3

[

1

 

 

 

 

 

 

P

E

d

]

5

.

3

[

1

     

80 MHz to 800 MHz 

 

P

E

d

]

7

[

1

     

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 metres (m).

b

 

 

Field  strengths  from  fixed  RF  transmitters,  as  determined 

by an electromagnetic site survey,

should be less than the 

compliance level in each frequency range.

 

Interference  may  occur  in  the  vicinity  of  equipment 

marked with the following symbol: 

Summary of Contents for S1

Page 1: ...l fat percentage Warning This appliance can be used by children aged from 8 years and above and persons with reduced physical sensory or mental capabilities of lack of experience and knowledge if they have been given supervision or instruction concerning use of the appliance in a safe way and any understand the hazards involved Children shall not be play with the appliance Cleaning and user mainte...

Page 2: ...Measuring Range 5kg 150kg Function Measuring weight BMI body fat body water lean mass bone mass visceral fat BMR Power Supply 4 AA Battery Size 315mm 315mm 29 mm Weight 2 5kg Wireless Bluetooth 4 0 Wi Fi Display Screen LED Blue Color White Supported System Android iOS Compatible iOS devices iOS 8 0 or above Compatible Android devices Android 4 3 or above Operating Temperature 0 C to 56 C Relative ...

Page 3: ......

Page 4: ...h the contactor If the scale has been used for a long time check whether the batteries need to be replaced If necessary please contact the distributor or call our company 7 This scale is only used in household for body weight measurement not for commercial or other use This equipment has been tested and found to comply with the limits for a Class B digital device pursuant to part 15 of the FCC rul...

Page 5: ...eripherals or non shielded cables may results in interference to radio or reception MODIFICATION Any changes or modifications not expressly approved by the grantee of this device could void the user s authority to operate the device Annex of Report Manufacturer s Declaration of the EUT altogether 5 pages Guidance and manufacturer s declaration electromagnetic emission for all EQUIPMENT AND SYSTEMS...

Page 6: ... immunity The SF 371 body fat scale is intended for use in the electromagnetic environment specified below The customer or the user of the SF 371 body fat scale 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 6 kV contact 8 kV air 6 kV contact 8 kV air Floors shou...

Page 7: ... A Mains power quality should be that of a typical commercial or hospital environment If the user of the SF 371 body fat scale requires continued operation during power mains interruptions it is recommended that the SF 371 body fat scale be powered from an uninterruptible power supply or a battery Power frequency 50 60 Hz magnetic field IEC 61000 4 8 3 A m 3 A m Power frequency magnetic fields sho...

Page 8: ... N A 3 V m Portable and mobile RF communications equipment should be used no closer to any part of the SF 371 body fat scale including cables than the recommended separation distance calculated from the equation applicable to the frequency of the transmitter Recommended separation distance P V d 5 3 1 P E d 5 3 1 80 MHz to 800 MHz P E d 7 1 800 MHz to 2 5 GHz where p is the maximum output power ra...

Page 9: ...g the SF 371 body fat scale 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 and SYSTEMS that are not LIFE SUPPORTING Recommended separation distances between portable and mobile RF communications equipment and the SF 371 body fat s...

Page 10: ...requency 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 ...

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