Read Harman Kardon HKTS 210SUB (serv.man5) EMC - CB Certificate online
Test report no. 1018989I
Page 8 (14)
7.
IMMUNITY TO ELECTROSTATIC DISCHARGE
7.1 Operating environment
Temperature:
23
C
Relative Humidity:
56 %
7.2 Test set-up
A horizontal coupling plane (HCP) was placed on a non-metallic table 0,8 m above a reference
ground plane (RGP) and connected to it with a cable with two 470 k
ground plane (RGP) and connected to it with a cable with two 470 k
resistors. The EUT was
placed on an insulation sheet on the HCP and was operating according to the specified operating
mode.
mode.
A vertical coupling plane (VCP) was connected to the RGP with a cable with two 470 k
resistors.
7.3 Test conditions
Test level:
+/- 2, 4 kV Contact discharge
+/- 2, 4, 8 kV Air discharge
+/- 2, 4, 8 kV Air discharge
Number of discharges at each point:
10 of each polarity
Performance criterion:
B
Operating mode:
42 Hz sinus signal.
The selected test points are listed in this table, the numbers refer to the photos on the next page.
Point
Description
VCP 1 0,1 m from the front of the EUT
VCP 2 0,1 m from the back of the EUT
VCP 3 0,1 from the right of the EUT
VCP 4 0,1 from the left side of the EUT
HCP 1 0,1 m from the front of the EUT
HCP 2 0,1 m from the back of the EUT
HCP 3 0,1 from the right of the EUT
HCP 4 0,1 from the left side of the EUT
1
Control panel in metal, screws and inlet within reachable
metal LINE LEVEL IN
metal LINE LEVEL IN
2
Cover all sides, signal LED, all knobs and button without
reachable metal, inlet EXT.Trigger input
reachable metal, inlet EXT.Trigger input
Contact discharges were applied to the VCP and the HCP.
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