JBH D09, User Manual

Page: 37 / 44

GUIDELINES AND MANUFACTURER'S STATEMENT-ELECTROMAGNETIC IMMUNITY
Surge
30 A/m 30 A/m
U
T
Guidelines and manufacturer's statement-Electromagnetic Immunity
Anti-interference
measurement
Coincidence level
IEC60601 Test Level
Electromagnetic
environment-
Guidelines
Electrostatic
discharge
(ESD)
ISO7176
IEC60601
ISO7176
IEC60601
ISO7176
IEC60601
ISO7176
IEC60601
ISO7176
IEC60601
±6 kV Contact discharge
±2kV To the power cord ±2kV To the power cord
±8 kV Air discharge
±6 kV Contact discharge
±8 kV Air discharge
D09/ D09B/ D09C/ D09D/ D09E Power Wheelchair is expected to be used in the
electromagnetic environment specified below, and the buyer or user of the electric
wheelchair vehicle shall ensure that it is used in this electromagnetic environment.
Electrical fast
transient burst
The floor should be
wood, concrete or
ceramic tile, and if
the floor is covered
with synthetic mate-
rials, the relative
humidity should be
at least 30%.
The power supply
in the hospital or in
the commercial en-
vironment should
be of typical quality.
The power supply
in the hospital or in
the commercial en-
vironment should
be of typical quality.
The power supply
in the hospital or in
the commercial en-
vironment should
be of typical quality.
If the users of elec-
tric wheelchair need
continuous opera-
tion during power
interruption, unin-
terruptible power
supply or battery
power supply is rec-
ommended.
The power frequen-
cy magnetic field
s h o u l d h a v e t h e
horizontal charac-
teristics of power
frequency magnetic
field in typical com-
mercial or hospital
environment.
Note: refers to the AC network voltage before the test voltage is applied
<5% U
T
, Last for 0.5
circuits
（
on U
T
,>95%
sag
）
40% U
T
,Last for 1 cir-
cuit
（
on UT,60% sag
）
70 % U
T
，
Last for 25
circuits
（
on U
T
,30%
sag
）
<
5% U
T
,Last for 5 sec-
onds
（
on U
T
,>95%
sag
）
<
5% UT, Last for 0.5
circuits
（
on UT, >95%
sag
）
40% UT, Last for 1 cir-
cuit
（
on UT,100% sag
）
70 % UT
，
Last for 25
circuits
（
on UT,30%
sag
）
<
5% UT, Last for 5
s e c o n d s
（
o n
UT ,>95% sag
）
V o l t a g e s a g ,
short int errup-
tion and voltage
v a r i a t i o n o n
power in put line
Power frequency
magnetic field
（
50/60Hz
）
±1 kV
Differential-mode
voltage
±2 kV Common mode
voltage
±1 kV
Differential-mode
voltage
35