701.
592-5
©
V
ermund Larsen
A/S
3.6 EMC DETAILS FOR CHAIRS WITH ELECTRIC LIFT
Chairs with electric seat lift have been tested to ensure compliance with current electromagnetic
compatibility (EMC) requirements. The details are available here.
CISPR 11:2019+A1:2010, Class B up to 30MHz (conducted)
CISPR 11:2019+A1:2010, Class B up to1 GHz (radiated)
CISPR 32:2015, Class B from 1GHz up to 6GHz (radiated)
IEC 61000-3-3:2013 Voltage changes, voltage fluctuations and flicker
Immunity:
IEC 61000-4-2:2008: ESD immunity:
Contact Discharge: ± 8 kV Air Discharge: ± 2, ± 4, ± 8, ± 15 kV
IEC 61000-4-3:2006+A1:2007+A2:20110: RF immunity:
80MHZ to 2.7GHz test level 10V/m, 80% AM at 1kHz.
Frequencies from 80 MHz to 5.8 GHz evaluated according to the table below:
IEC61000-4-4:2012: Electrical fast transient and burst immunity:
Power Port: ±1 kV
Signal Port: ± 2 kV
IEC 61000-4-5:2006: Surge immunity
Power Port (Line to Line): 0.5 kV, 1 kV
Power Port (Line to Earth and Neutral to Earth): 0.5 kV, 1 kV, 2 kV
IEC 61000-4-6:2013: Immunity to Conducted disturbances induces by RF fields:
Range: 150kHz to 80MHz, Outside ISM band: 80% AM at 1kHz, 3 VRMS
ISM band: 80% AM at 1kHz, 6 VRMS
IEC 61000-4-8:2009: Power frequency magnetic field immunity: 30 A/m, 50/60Hz
IEC 61000-4-11:2004: Immunity to voltage dips, variations, and short interruptions:
Voltage dips:
0 % UT (100 % dip in UT) for 0.5 cycle at 0°, 45°, 90°, 135°, 180°, 225°, 270° and 315°
0 % UT 1 cycle, and 70% UT 25 cycles (at 50Hz) / 70% UT 30 cycles (at 60Hz)
Voltage interruptions:
0% UT 250 period for 50Hz 300 period for 60Hz
Service
Band (MHz)
Distance
Test level
TERA 400
380 – 390 MHz
0,3 m
27 V/m
GMRS 460
430 – 470 MHz
0,3 m
28 V/m
LTE bånd 13.17
704 – 787 MHz
0,3 m
9 V/m
GSM 800/900
800 – 960 MHz
0,3 m
28 V/m
GSM 1800:
1700 – 1990 MHz
0,3 m
28 V/m
Bluetooth:
2400 – 2570 MHz
0,3 m
28 V/m
WLAN:
5100 – 5800 MHz
0,3 m
9 V/m
VELA :: Gøteborgvej 8-12 :: 9200 Aalborg SV :: Denmark :: +45 96 34 76 00 :: [email protected]
www.vela.eu
VELA Medical :: Gøteborgvej 8-12 :: 9200 Aalborg SV :: Denmark :: +45 96 34 76 00 :: [email protected]
vela-medical.com
