KGD
-
WQ
-
510
Motor
Vehicle
Brake
Emission
Testing
System
Product
Overview
The
KGD-WQ-510
Motor
Vehicle
Brake
Emission
Testing
System
is
a
comprehensive
solution
designed
for
standardized
testing
of
motor
vehicle
brake
particle
emissions.
The
system
consists
of
an
air
duct
control
system,
particle
sampling
system,
particle
number
analysis
system,
inertial
brake
dynamometer,
and
main
control
system.
Primary
test
capabilities
include
PM2.5,
PM10,
SPN,
and
TPN
measurements,
meeting
Euro
7
emission
standard
certification
requirements
and
R&D
testing
needs.
Key
Features
-
Advanced
computational
fluid
dynamics
simulation
optimizes
design
to
reduce
particle
loss
and
improve
sampling
point
mixing
-
Electropolished
dilution
air
duct
inner
walls
minimize
particle
loss
and
enhance
measurement
repeatability
-
Proven
reliability
through
years
of
practical
application
in
testing
installations
-
Condensation
Particle
Counter
(CPC)
technology
ensures
superior
measurement
accuracy
and
stability
Technical
Specifications
Flow
Control
System
Flow
Control
Range
|
100
-
2000
m³/h
|
Flow
Control
Stability
|
≤
±5%
of
set
value
|
Flow
Measurement
Accuracy
|
≤
±1.5%
of
reading
|
Cooling
Air
Temperature
|
23°C
±
2°C
|
Cooling
Air
Humidity
|
50%
±
5%RH
|
Cooling
Air
Filtration
|
Activated
carbon
filter
and
H13-grade
particle
filter
|
Particle
Sampling
System
Maximum
Particle
Size
Limit
|
2.5μm
and
10μm
|
Filter
Paper
Sampling
Temperature
|
≥
15°C
(no
condensation)
|
Filter
Paper
Diameter
|
47mm
|
Sampling
Flow
Rate
|
16.7
L/min
|
Sampling
Flow
Control
Accuracy
|
≤
±2%
of
set
value
|
Particle
Number
Analysis
System
Measurement
Principle
|
Condensation
Particle
Counting
(CPC)
|
Measurement
Items
|
TPM10;
SPN10
|
Particle
Size
Range
|
10
nm
(65%
±
15%
efficiency)
to
2.5μm
|
CPC
Measurement
Range
|
0
-
100000
#/cm³
|
CPC
Measurement
Precision
|
≤
±10%
|
Dilution
Ratios
|
Primary:
10;
Secondary:
10-30
|
VPR
Removal
Efficiency
|
>99.9%
|
Response
Time
|
T90
|