Repairing; List Of Cables; Technical Description - Yuwell YH-550 User Manual

19. Repairing

1. If your device is in trouble, please contact YUWELL or provider. This device only can be repaired
by the provider who has been authorized.
2. The user should follow the instruction of cleaning and safety to guarantee that the device can be
used for a long time.
3. If you have troubles in setting up, using or maintaining the equipment or meet some unexpected
operation or events, please contact YUWELL as well. If you want to know more information about
your device, you can visit the website of YUWELL: www.yuyue.com.cn

20. List of cables

Name
Cable(AC)
Cable(DC)

21. Technical description

f 21.1 Compliance information for Emission test
Emission test
RF emissions CISPR 11
RF emissions CISPR 11
Harmonic emissions IEC 61000-3-2
Voltage fluctuations/flicker emissions IEC61000-3-3
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Lengths(m)
1.5
1.2
Compliance
Group 1
Class B
Class A
Complies
f 21.2 Compliance information for Immunity test
Immunity test
Electrostatic discharge(ESD) IEC61000-4-2
Electrical fast transient/burst IEC61000-4-4
Surge IEC61000-4-5
Voltage dips, short interruptions and voltage variations on
power supply input lines
IEC61000-4-11
Power frequency(50Hz) magnetic field
IEC61000-4-8
Radiated RF EM fields
Conducted disturbances induced by RF fields
NOTE U is the a.c mains voltage prior to application of the test level.
T
Compliance level
±8kV contact
±15kV air
±2kV for power supply lines
±1kV differential mode
0 % UT; 0, 5 cycle
At 0° , 45° , 90° , 135° , 180° , 225° ,
270° and 315°
0 % UT; 1 cycle
and
70 % UT; 25/30 cycles
Single phase: at 0°
0 % UT; 250/300 cycle
30A/m
10V/m
80 MHz-2,7 GHz
80 % AM at 1 kHz
3V
0, 15 MHz-80 MHz
6V in ISM and amateur radio bands
between 0, 15 MHz and 80 MHz
80% AM at 1 kHz
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