Sequoia LISST-PORTABLE XR, Руководство пользователя

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4 LISST-Portable|XR manual

Outputs: Total volume concentration, mean size, standard deviation, optical transmission, D5, D10, D16, D25, D50
(median grain size), D60, D75, D84, D90, D95, D60/D10 (Hazen uniformity coefficient), particle surface area, silt
fraction, silt volume, size distribution, battery voltage, sample notes.

Resistant to Ethanol, IPA, diesel.

Optional built-in ultrasonic probe for complete particle dispersion.

Small-angle forward laser light scattering (laser diffraction), compliant with the ISO-13320-1 standard.
2.3 Specifications
2.3.1 SIZE AND CONCENTRATION RANGE

0.34-
500 μm in 44 size classes.

30-1,900 mg/l. Concentration range depends on the size distribution of the particles, as per examples in the table
below.

Concentration resolution < 1 mg/l.

Concentration accuracy: ± 20%.
Material Concentration [mg/l] @
95% transmission
Concentration [mg/l] @
75% transmission
D10
[µm]
D50
[µm]
D90
[µm]
SMD
[µm]
ISO Fine 30 170 1.5 7 41 3
ISO Coarse 95 395 4 38 99 10
20-30 µm glass beads 195 1075 19 24 34 24
Sieved sand 75-125 µm 345 1925 85 122 175 112
2.3.2 MECHANICAL AND ELECTRICAL

Dimensions and weight of instrument: 17.7 cm (7”)

29 cm (11.5”)

44.3 cm (17.5”) [H

D

W]; 7.5 kg (17 lbs).

Dimensions and weight in shipping box: 78 cm (31”)

53 cm (21”)

28 cm (11”); 22 kg (49 lbs).

Data storage: 128 MB flash card, capable of storing at least 40,000 size distributions and associated sample
information.

RS232 interface with built-in USB-serial adapter.

Rechargeable Lithium-ion battery provides for 6 hours of sample processing

AC battery charger (120/240 VAC). The battery charger cannot overcharge the battery pack.

Optional 25W, 40kHz ultrasonic probe with controller electronics, managed from the touch panel display.
2.4 ASCII data file format (.ASC extension)
The .ASC file is a comma-separated file with 3 rows of text and info before the measurement data. If single sample was chosen
as storage mode (see chapter
Error! Reference source not found. ) only one additional row (#6) will be present. If multiple
amples was chosen as storage mode several additional rows, one per sample, will be present in the file.
Row 1 Header identifying file as a LISST-P
ORTABLE
|XR data file and the date, time and day number of file
creation.
Row 2 Instrument serial number
Row 3 Firmware version and date
Row 4, elements 1-21
(columns A-U) Headers used for displaying the data in the enclosed EXCEL spreadsheet.
Row 4, elements 22-65
(columns V-BM) Midpoint of the 44 LISST-P
ORTABLE
|XR size classes in µm.
Row 4, elements 66-84
(columns BN-CF) Headers used for displaying the data in the enclosed EXCEL spreadsheet.
Row 5 Units for the headers in row 4.
Row 6, element 1 Date in MM/DD/YYYY format