O
PERATION
M
ANUAL
P
ROMO
®
2000
P
ALAS
®
G
MB
H,
M
ARCH
2010,
V
ERSION
V001032010
28
6
Particle
measurement
with
Promo®
6.1
Special
features
of
the
Promo®
system
due
to
white
light
source
and
90°
scattered
light
detection:
‐
clear
calibration
curve
(also
in
the
so
called
Mie
‐
range)
due
to
the
patented
T
‐
aperture
technology:
‐
measurements
without
border
zone
error
‐
coincidence
detection
very
high
resolution
‐
high
number
of
measuring
channels,
‐
representation
of
32
classes
per
decade
(
60
classes
per
measurement
range)
very
high
classification
accuracy
measurement
range
0.2
–
40
µm.
Please
note
the
measurement
range
information
on
the
dif
‐
ferent
versions
P
(pressure
‐
resistant
up
to
10
bar),
HP
(heatable
up
to
120°C
and
pressure
‐
resistant
up
to
10
bar)
and
the
sensor
welas
®
2500,
for
which
the
measurement
range
can
de
‐
viate
due
to
technical
reasons.
ability
to
measure
even
in
high
concentrations
due
to
‐
white
light
‐
90°
scattered
light
detection
‐
even
intensity
distribution
of
light
inside
the
measurement
volume
‐
correction
of
border
zone
error
with
T
‐
aperture
‐
optically
defined
measurement
volume
‐
coincidence
detection
welas
®
sensor
2070:
max.
concentration
up
to
2
x
10
5
P/cm³
welas
®
sensor
2100:
max.
concentration
up
to
1
x
10
5
P/cm³
welas
®
sensor
2200:
max.
concentration
up
to
1,6
x
10
4
P/cm³
welas
®
sensor
2300:
max.
concentration
up
to
8
x
10
3
P/cm³
welas
®
sensor
2500:
max.
concentration
up
to
8
x
10²
P/cm³
Options:
measurement
in
underpressure
and
overpressure
(up
to
10
bar)
measurements
in
high
temperatures
(up
to
120°C)
Measurements
in
atmospheres
down
to
‐
90°C
Advantage:
The
advantage
of
a
counting
measurement
procedure
compared
to
a
collective
procedure
is
that
the
particle
number
and
particle
size
are
measured
at
the
same
time,
but
separately.