| MODEL |
LA-920 |
| Measuring
principle: |
Mie scattering |
| Particle
size measurement range: |
0.02µm to
2,000µm |
| Measuring
time: |
Generally 20 sec.
(from measurement start to display of results) |
| Precision: |
Within 0.6% for
NIST-traceable standard particles
(polystyrene latex; tolerance of the standard particle
size) |
| Measurement
method: |
Manual flow cell
measurement
Manual fraction cell measurement (Fraction cell holder required)
Auto-sampling measurement
(Auto-sampler required)
Dry measurement (PowderJet required) |
| Amount
of sample required: |
10mg to 5g
(For flow cell measurement; depends on the sample particle size) |
| Data
transmission: |
RS-232C (between
analyzer and PC) |
Measuring
unit:
Optical system |
| Light source: |
He-Ne laser(632.8 nm)I mW; tungsten lamp,50W |
| Detector: |
Ring shaped 75-section silicon photo
diode array(1)
Silicon photo diodes(12) |
|
| Operating
environment: |
15 to 35°C,
under 85% RH (no condensation) |
| Power
supply: |
AC 100/115/230V,
50/60Hz, 300VA |
| External
dimensions: |
690(W)x520(D)x355(H)mm
27.2(W)x20.5(D)x14.0(H)in |
| Weight
(measuring unit): |
Approx.55kg |
| Data
processing, operating unit: |
PC compatible computer
running under PC/Windows 95
Printer
Monitor |
| MODEL |
LY-208 |
| Dispersion
method: |
Jet nozzle
(forced dispersion with pressurized air and ejector) |
| Test
sample introduction method: |
Screening vibration
method |
| Test
sample discharge method: |
Forced discharge
with vacuum unit |
| Particle
size measurement range: |
0.1µm to 2,000µm
(varies with physical characteristics of test sample) |
| Test
sample feed rate adjustment method: |
Screening opening
selection or screening vibration speed adjustment |
| Data
transmission: |
RS-232C |
| Control: |
Screening vibration
speed change (255 levels), vacuum unit ON/OFF, pressurized air valve
ON/OFF, pressurized air pressure changes (approx. 1, 3, 4 atm) |
| Measuring
interval: |
Generally 10 sec.
from measurement start |
| Amount
of sample required: |
Volume area of
1 to 290 ml/test (depends on the samples' particle size) |
| Operating
environment: |
10 to 35°C,
under 85% RH (no condensation) |
| External
dimensions: |
300(W)x360(D)x350(H)mm
11.8(W)x14.2(D)x13.8(H)in
(for dimensions when used with LA-920, check dimension diagram) |
| Power
supply: |
AC 100/115/230V,
50/60Hz, 800VA (including vacuum unit but not LA-920) |
| Pressurized
air supply: |
4 to 6 kgf/cm2 |
| Pressurized
air supply opening: |
Quick connector
for 6-mm tube |
![[genre_e]](../image/t_title.jpg){kind=small}
