Cooey WBT1-357-B User Manual Download Page 11

 

 

Guidance and manufacturer’s declaration – electromagnetic immunity 

IMMUNITY test

 

±6 kV contact
±8 kV air 

±6 kV contact
±8 kV air 

 

±2 kV for 
power supply lines 

Not applicable

±1 kV line(s) 
to line(s)
±2 kV line(s)
to earth 

<5% U

T

(>95% dip in U

T

)

for 0.5 cycle

40% U

T

(60% dip in U

T

)

for 5 cycles

70% U

T

(30% dip in U

T

)

for 25 cycles

<5% U

T

(>95% dip in U

T

)

for 5 s

3A/m

NOTE      U

is the a.c. mains voltage prior to application of the test level. 

Table 2 Guidance and MANUFACTURER’s declaration – electromagnetic 
IMMUNITY – for all ME EQUIPMENT and ME SYSTEMS 

IEC 60601 test level       Compliance level

Electrostatic 
discharge (ESD) 
IEC 61000-4-2 

Electromagnetic 
environment - guidance

Floors should be wood, 
concrete or ceramic tile. If 
floors are covered with 
synthetic material, the 
relative humidity should be 
at least 30%.

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

3A/m

Power frequency 

(50/60Hz) 
magnetic field 

IEC 61000-4-8 

Voltage dips, 
short interruptions
and voltage
variations on 
power supply 
input lines

IEC 61000-4-11 

Electrical fast 
transient/burst 
IEC 61000-4-4 

Surge IEC 
61000-4-5

The device is intended for use in the electromagnetic environment specified below.
The customer or the user of the device should assure that it is used in such an
environment

±1 kV for 
input/output lines

Not applicable

Not applicable

Mains power quality should
be that of a typical
commercial or hospital
environment.

Mains power quality should
be that of a typical
commercial or hospital
environment.

Mains power quality should
be that of a typical
commercial or hospital
environment. If the user of
the device requires 
continued operation during
power mains interruptions,
it is recommended that the
device be powered from an
uninterruptible power supply
or a battery.

Table 4 Guidance and MANUFACTURER’s declaration – electromagnetic IMMUNITY –

for ME EQUIPMENT and ME SYSTEMS that are not LIFE-SUPPORTING 

Guidance and manufacturer’s declaration – electromagnetic immunity

IMMUNITY test

Not applicable

3 V/m 

Compliance 
level

IEC 60601 
TEST LEVEL

Conducted RF
IEC 61000-4-6 

Radiated RF 
IEC 61000-4-3

3 V/m
80 MHz to
2.5 GHz 

3 Vrms

150 kHz to
80 MHz 

Electromagnetic environment - 
guidance

Portable and mobile RF communications 
equipment should be used no closer to 
any part of the device, including 
cables, than the recommended 
separation distance calculated from the 
equation applicable to the frequency of 
the transmitter.
Recommended separation distance

The device is intended for use in the electromagnetic environment specified below.
The customer or the user of the device should assure that it is used in such an environment.

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).

Field strengths from fixed RF 
transmitters, as determined by an 
electromagnetic site survey,   should be
less than the compliance level in each
frequency range.

a

b

Interference may occur in the vicinity of 
equipment marked with the following 
symbol:

P

V

=

d

]

5

,

3

[

1

P

=

d

  80   MHz   to  8 0 0   MHz  

P

=

d

2.333

   800   MHz  t o  2 ,5   GHz  

1.167 

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 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 broad-
cast 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 device is used exceeds the applicable RF compliance level above, the device 
should be observed to verify normal operation. If abnormal performance is observed, 
additional measures may be necessary, such as re-orienting or relocating the device.
Over the frequency range 150 kHz to 80 MHz, field strengths should be less than 
[   ]V/m.

b

V1

Appendix

Appendix

18

19

Summary of Contents for WBT1-357-B

Page 1: ...safe usage of this product and keep the manual well for further reference in case you have problems Thank you very much for selecting the Cooey Body Fat Analyzer WBT1 357 B e mail needsupport cooey co...

Page 2: ...stall App and Pair up Start Measuring Select Measurement Unit Daily Measurement Manage Your Health Data Transmission Troubleshooting Error Prompt When Measuring When Data Transmitting Specifications M...

Page 3: ...offers you a seamless way to manage your health Please be aware that this device is designed for healthy population over 10 years old self measuring and self monitoring body compositions Any informati...

Page 4: ...er WBT1 357 B 2 Four AAA size Batteries 1 5V each 3 User Manual Device Components Battery Compartment UNIT Button LCD Display Stone Pound Kilogram Successful Bluetooth Connection Data transmitting pen...

Page 5: ...e time Do NOT mix the old batteries with the new one Worn batteries are hazardous waste Do NOT dispose of them together with the household garbage Please refer to the local ordinances and recycling in...

Page 6: ...fer to Data Transmission for more details Start Measuring With batteries correctly installed press UNIT button in the back of the scale to select measurement unit The default measurement unit is kilog...

Page 7: ...onably close from 1 meter to 10 meters Please ensure no obstacles between the Analyzer and the Bluetooth end so as to obtain quality connection 2 To avoid interference other electronic devices particu...

Page 8: ...Install the batteries Please refer to Insert the Batteries Replace all four batteries at the same time Please purchase the authorized batteries for replacement Step onto the platform wearing socks or...

Page 9: ...lb Division 0 1kg 0 2lb Accuracy Working Environment Storage Environment Power Source 6V Four AAA size Batteries Turn on Method SENSE ON technology Auto OFF Accessories 1 Four AAA size batteries 2 Use...

Page 10: ...t is important to measure and monitor your body fat percentage Body fat percentage gives you a better measure of fitness than weight alone the composition of your weight loss could mean you are losing...

Page 11: ...declaration electromagnetic immunity IMMUNITY test Not applicable 3 V m Compliance level IEC 60601 TEST LEVEL Conducted RF IEC 61000 4 6 Radiated RF IEC 61000 4 3 3 V m 80 MHz to 2 5 GHz 3 Vrms 150 k...

Page 12: ...um 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...

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