Mesdan 250D User manual

VideoAnalyser-2000
The most advanced computerised high definition system for the
microscopic analysis of fibers, yarns and fabrics.
Thesystemiscomposedby:
- Leica Biological Microscope.
- Leica Stereo-Microscope.
- Professional colour Video camera with 1/2’’ CCD.
-Opticalfibreillumination device (150W) with two 50 cm arms .
- «Mesdan Video Analyser» graphic card for images acquisition .
- Special «Mesdan VideoAnalyser» software.
-IBMPersonal Computer.
-PHILIPS17’’LCDMonitor(or equivalent).
-EPSONSTYLUS COLOR highqualityprinter.
-Samplepreparationkitforlongitudinalandsectionalanalysis(microtome,slidesand
covers, immersion oil and other accessories)
-Fabricsupportkitfortheanalysis of irregularities in woven and knitted fabrics and for the
measurementoftheweftandwarpdensitypercm.
-Equipmentfunctioning instructions andsamplepreparationliterature.
-Calibrationslide(forthesystemcalibrationcontrol).
-MicrosoftOfficesoftwarepackage for the statistics processing and report production.
Code 250D

EQUIPMENT SUITABLE TO:
- Check the purchased material (searching for possible foreign fibres) and identify
the type of fibre, comparing it with the fibre pictures stored in the DataBank, with both
the longitudinal and the sectional views.
Viscosefibreinlongitudinal and sectional view.
Longitudinal image of a cotton and a wool
fibre, to highlight how different fibres can
be easily detected.
Longitudinaland sectional view of a glass fibre.
- Perform in a fast and easy way the fineness analysis of single fibres, by
operating with the live image and by means of the mouse only.
- Identify the different fibres contained in a blend and analyse the composition
percentage, by operating with the live image, in accordance with the IWTO 8, IWSTM
24, ISO 137, ASTM D2130 international standards.

- Analyse the yarn structure and detect possible defects. Check the single threads
of a twisted yarn; check the single yarn fibres.
- Measure the count of circular section yarns and filaments in Dtex or den .
- Detect, identify and measure possible impurities contained in textile materials
(neps, pollution due to foreign fibre content in a fabric, oil or grease content in a yarn).
- Check and measure the quality and shape of Lycra or synthetic multifilament single
threads.
- Analyse the compactness of non-woven fabrics.

- Analyse mechanical parts (i.e. needle points, spinnerets, etc).
- Perform a micro analysis of yarns and fibre sections.
- Measure section surfaces and perimeters.
Example of a nozzle of a splicer
minglingchamber.
Exampleof spinningrings
Exampleof spinnerets

- Reduce the fabric warp and weft density to a cm or a inch.
Theoperatorsimplytracesareferenceline
ofdesired lengthonthewarpandweftand
identifiesthenumberof threads.
The «Mesdan Video Analyser» software
automatically determines the number of
threadspercm (andinch).
The collected data are automatically
exportedontoanexcelsheetthatproduces
areportwith thethreadreductioneachcm
(andinch).
- Perform a macro analysis of a yarn section.
Exampleof an indigo dyed yarn section,
extractedfromadenimfabric

DATA:
Material
Materiale POLIESTER Nylon 0 0 0
Measure
number Numero
di misure 10 10 0 0 0 11
Mean/ Media 20,380 25,080
Max 22,200 25,900
Min 19,700 24,000
CV[%] 3,604 2,074 3,604 2,074 #VALORE!
Dev. St 0,735 0,520
Range [%] 12,267 7,576
Specific weight
Peso specifico
(g/cm³) 1,38 1,14 1,0 1,0
Count (Dtex) 2,210 2,000
Count (Denari) 1,989 1,800
N° measure N°
misura POLIESTER Nylon 000
1 20,00 25,00
2 21,00 25,30
3 20,00 25,40
4 22,20 25,00
5 20,10 25,60
6 19,90 24,80
7 19,70 24,00
8 20,30 25,90
9 20,50 25,00
10 20,10 24,80
Sample description/
Descrizione campione
Observations/ Osservazioni
Single measures/ misure singole
Statistical results/ Risultati statistici
Customer/Cliente
Unit of measurement Unità di
misuraExaminer/Esaminatore
Test
Davide
Standard test/ Normativa
microns (µm)
//
101010
Material/ Materiale Test 630Optics X/ Ingrandimenti X
Total measures/Misure totaliLot/Lotto 20
MESDAN VIDEO ANALYSER
15/02/2005
Test parameters/ Parametri di test
Note: Use it ONLY if you are sure that the section of the fiber is circular.
Importante:Da utilizzare SOLO se si è certi che la sezione delle fibre sia circolare.
1 2
3
45
- Process, store and print the produced measurements and the minimum, medium and
maximum values, CV% and distribution graphs.
I.e. count analysis of a circular section fibre, in tex and den: data are automatically processed; the report can be either printed or
stored.
In accordance with the following International Standards: UNI 5423, AATCC 20,
ASTM 276-00, ASTM 2130-90, IWS TM 24, ASTM 276-00A, IWTO 8-97, ASTM D629-
99, UNI 1130, UNI EN 12751 ISO 137

LEICA biological Microscope with professional lenses, recommended for the
longitudinal and sectional analysis of fibres and yarns.
- High quality and accuracy Microscope
- Phototube trinocular viewing body with Siedentopf
design, to adjust the interpupillary distance without
changing the focussing.
- Koehler illumination device for the phase contrast
and micro photographs (20W).
- Objective image viewing.
- Polarising filter (for a better sample viewing), blue
and green coloured filters.
- High precision focussing system.
- Slide movement device with micrometric
regulation.
- On screen magnifications: from 128X to 2000X.
- Highly accurate revolving lenses system.
LENSES IN USE OCULAR
MAGNIFICATION
ON SCREEN
MAGNIFICATION
ON SCREEN FIELD
OF VISION (mm)
4X 40X 128X 1.6
10X 100X 320X 0.65
20X 200X 640X 0.35
40X 400X 1280X 0.15
63X (optional) 630X 2016X 0.1
Note: by using the 0.50X additional lens between the microscope and the video-camera
(available as optional) the on screen magnification rate decreases by 50% and the field of
vision increases by 50%.
- The mentioned dimensions and final magnifications also depend on the hardware in use.
- The above mentioned magnifications and fields of vision have been calculated by using a 17” monitor with 1280X1024 resolution.
SYSTEM COMPOSITION
PROFESSIONAL VIDEO-CAMERA with 1/2’’ CCD;
compared to the 1/3’’ CCD, it has a much wider field of vision –
hence a wider surface of the sample is visualised – and a
quicker reaction to light variations. Complete with achromatic
C step connector with 1:1 lens, for the insertion on the
microscope, to give the maximum contrast, colour and planarity
quality.

SYSTEM COMPOSITION
LENS IN USE ON SCREEN
MAGNIFICATION
ON SCREEN FIELD
OF VISION (mm)
0.63X 20X 11.6
1X 32X 6.8
1.6X 51X 4.1
2.5X 80X 1.9
4X 128X 1.6
Note: by using the 0.50X additional lens between the microscope and the video-camera
(available as optional) the on screen magnification rate decreases by 50% and the field of
vision increases by 50%.
- The mentioned dimensions and final magnifications also depend on the hardware in use.
- The above mentioned magnifications and fields of vision have been calculated by using a 17” monitor with 1280X1024 resolution.
LEICA Stereo-Microscope for the analysis of fabrics, yarns
and mechanical parts like traveller, needles and spinnerets.
- High quality and precision Microscope
- Illuminated base. Adjustable light intensity and direction,
particularly suitable for the analysis of fabrics
- High precision focussing device
- Video-camera connector (oculars supplied as optional)
- 5 fixed focus lenses
150W OPTICAL FIBRE ILLUMINATION DEVICE (cold light)
with two 50 cm semi-rigid fibre optic goosenecks. Necessary for
a perfect illumination of a sample from different adjustable angles.

High flexibility to perform
measurements on stored
images as well as on live images
(in accordance with International
Standards).
Measurements of lengths,
surfaces, perimeters, angles,
distances between two points
or lines or objects.
The software allows to save a
picture (complete with
measurements and comments)
into the Data Bank and to
compare the live picture with a
stored one (or more
simultaneously).
It is possible to attach to the image an informative chart, containing the material composition,
the type of lens in use and other information; this chart can be opened with a simple mouse
click and can be printed together with the picture.
All the measurements can be exported into an Excel template for the data processing (and to
produce statistics and comparative graphs). The operator can also create self-made Excel
templates, according to his requirements.
MESDANVIDEOANALYSERSOFTWARE
The software is provided with a ready-
to-use Excel template to perform on 5
different materials: fibre % content in a
blended yarn; perimeter and surface
calculation; count measurements on
perfectly circular section yarns; fabric
warp and weft density reduction to cm
or inch; general counting on lengths.
The obtained data allow to produce
reports with statistics (CV%, mean
values, percentages, etc) and
comparative graphs, that can be either
printed or stored.
Languages in use: Italian, English, Spanish, Portuguese and Polish.
Finenessanalysisofablendwith 3components

1) Window to display the live picture: it is possible to store and/or print a picture complete
with comments and measurements. It is then possible to perform measurements and
send them to an Excel template in order to obtain statistics.
2) View finder window on the area where measurements are being taken, in order to
guarantee the maximum measure accuracy.
3)Materialchart:the nameofthematerial tobetestedis insertedhere(themeasurements
on the picture will be expressed in different colours); if necessary, the measurements
of every material will be inserted automatically in different Excel columns.
Thesimpleandintuitiveapplication bar makes the software easier to use also for lessexpertoperators.
The software includes a Data Bank with reference pictures that can be
personalised according to the user’s needs.
In order to help the operator and guarantee the maximum accuracy, different special
features are available: i.e. light and colour adjusting can be made digitally through the
software (as well as mechanically, by operating on the microscope filters).

Personal Computer
IBM PC complete with «Mesdan
Video Analyser» acquisition card,
Philips LCD 17’’ monitor and
photographic quality Epson printer. A
set of ink cartridges and high
definition photographic paper is
supplied as spare.
Sample preparation and analysis kit
Calibration slide
Necessary for the system routines calibration.
1) Complete set for sample preparation:
scissors, tweezers, and other
accessories; blades, needles, yarn,
slides and slide holders.
2) Immersion oil.
3) Fabric analysis support.
4) Fibre section analysis plate.

Optional accessories (to be ordered separately)
63X LENS(for the Biological Microscope) as replacement of one of the
4 lenses supplied as standard with the microscope, it enables a 2000X on
screen magnification. Code 250 336
C-STEP CONNECTOR WITH 0.5X LENS (for the Biological
Microscope) The installation of this connector allows to halve the magnification on
screen and double the sample field of vision. Code 250 338
- Set of 50 slides ** code 191 50 **
- Set of 100 slide covers ** code 191 52 **
- Immersion oil bottle ** code 191 54 **
- Pack of paper for printer ** code 250 18 **
- Set of cartridges for printer ** code 250 322 **
Additionalconsumables
C-STEPCONNECTORWITH0.5XLENS(for theStereo-Microsco-
pio)Theinstallationofthisconnectorallows tohalvethemagnificationonscreen
and double the sample field of vision. Code 250 334
TRINOCULAR KIT (for the Stereo-Microscopio) to display the sample
imageeitheronthePC monitor or in the oculars.
Code 250 340