Tensiometru optic

    SEAP
    ID
    DA26411210
    Data
    23 Septembrie 2020
    Valoare
    105.000 RON
    Stare
    Oferta acceptata
    Autoritatea contractanta
    2627996 - Institutul National de Cercetare Dezvoltare in Chimie si Petrochimie -ICECHIM
    Localitate
    Bucuresti, Bucuresti
    Furnizor
    33994054 - S.C. ELECTRIC BACKUP S.R.L.
    Tipul contractului
    Furnizare
    Cod CPV
    38425700-7 - Instrumente de masurare a tensiunii superficiale (Rev.2)
    Descriere:
    Tensiometru optic cf of 571.LI07.09.2020 cda 496/22.09.2020-E4
    Achizitii
    105.000 RON
    Cantitate: 1
    Unitate masura: set
    Tensiometru optic
    Conform oferta 571.LI.07.09.2020 OCA 50EC - Automatic video based contact angle meas. Dev Automatic, software-controlled measurement and analysis of the static and dynamic contact angle according to the Sessile & Captive Drop-Method as well as the shape of Pendant drops. Determination of the wettability of solid surfaces, the surface free energy of solids and their components, and the calculation of the surface and interfacial tension based on the analysis of the drop shape. Consisting of: - basic module with linear stage for the installation of the optics, the lighting electronics and the dosing unit - sample stage, with adjustable, software-controlled X-, Y- and Z-axis for accurate sample positioning and drop pick up from the dosing needle - lens mount with adjustable tilt - 6.5-fold zoom lens with integrated manual focus - video system - LED-lighting with manual and software-controlled intensity including automatic temperature drift compensation - control and measuring electronics with USB interface - power supply Technical data: - size of the sample stage: 100 x 100 mm² - max, sample size (LxWxH): 220 x infinite x 70 mm³ - max. sample weight: 10.0 kg - traversing range and speed of sample table in X-Y direction (horizontal): 100 x 105 mm²; 75 nm/s...20 mm/s - traversing range and speed of sample table in Z direction (vertical): 50 mm; 75 nm/s ... 25 mm/s - electronic positioning resolution in X/Y/Z direction: ± 39 nm - size of the device (LxWxH): 680 x 310 x 370 mm³ - weight: 26 kg - 6.5-fold zoom lens with integrated manual focus (± 6 mm) - USB 3 camera, max. resolution 1448 x 1088 pixel with 156 frames/s; max. framerate 3246 frames/s with 1448 x 60 pixel - field of view 1.11 x 0.83 ... 7.14 x 5.35 mm² - optical distortion: < 0.05 % - range of contact angle: 0...180°; ±0.1° measuring accuracy - measuring range of surface and interfacial tension: 0.01 ...2000 mN/m; ±0.01 mN/m resolution - power supply: 100...240 V (AC); 50...60 Hz; 70 VA SD-DM Direct single dosing unit For use with standard and disposable syringes and needles in conjunction with an optional electronic syringe unit ESr. It enables direct liquid dosing without dosing tubes. Installation on the dosing bay of any OCA measuring device. Consisting of the syringe unit carrier with fine adjusting screws for the axial and horizontal needle positioning and a connection cable ESr-N - Electronic syringe unit For use with the direct dosing systems, expandable to a nanodrop dosing system. Motor-driven and software controlled. Consisting of: - syringe unit - gastight precision syringe (500 μl) DS 500/GT - dosing needle SNS 050/026 - adapter for disposable syringes ADAPT DS-D 1000 - 2 disposable syringes (1000 μl) of set DS-D 1000 SF - 1 disposable dosing needle of set SNS-D 051/025 - 1 disposable dosing needle of set SNP-D 183/136 Technical data: - piston travel speed: 0.2 μm/s … 10 mm/s; ± 0,1 μm/s - dosing rate: 0.01 … 5.28 μl/s with DS 100/GT 0.01 … 26.39 μ/s with DS 500/GT 0.02 … 52.82 μl/s with DS 1000/GT 0.02 … 55.30 μl/s with DS-D 1000 - dimensions (L x W x H): 45 x 55 x 280 mm^3 - power: 24 V; 3 W SCA 20 - Contact angle measurement Video based measurement and presentation of the static and dynamic contact angle according to the Sessile & Captive Drop-method. To record/store image sequences for the controlled analysis at fast processes. Controlling of the electronic syringe unit. To run the software your PC has to work under Microsoft WINDOWS® 10 without failure. SCA 21 - Calculation of surface free energy Calculation of the surface free energy of solids as well as their components (e.g. dispersiv, polar andhydrogen bond parts, acid and base portions) according to the theories of Wu, Zisman, Owens-Wendt, Extended Fowkes, Schultz 1 + 2, Fowkes, van Oss & Good, and Neumann. Calculation and presentation of Wetting Envelope and Work of Adhesion/Contact Angle Diagrams. Statistics and measurement error analysis. Runs only with SCA 20 SCA 22 - Surface and interfacial tension; pendant drop Calculation, analysis and presentation of the surface and interfacial tension, as well as their polar and dispersive contributions, based on the analysis of the drop shape (Pendant Drop-method). Statistics and measurement error analysis.