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Laserzuschnitte aus Acryl- Filz und Holzmaterialien bis zu 150 cm sowie digitaler Großformatdruck auf über 1.500 qm

The principle is based on the analysis of the profile of pendent and sessile drops or buoyant and captive bubbles. PAT is well suited to determine the contact angle of liquids on solid surfaces. · Very compact profile analysis tensiometer · Simple manual instrument to measure surface and interfacial tension of liquids · Contact angle measurements are available in the basic version · No power supply needed (powered by USB) · Ideal instrument for educational purposes Hardware - Instrumental parts: · Basic platform on which all parts are safely mounted · Manual x/y -axis · Syringe for manual drop/bubble formation · Thermostated jacket for external circulation bath · USB industrial camera with fixed objectives (no frame grabber needed) · LED lighting with continuously adjustable intensity Measurement Features: · Surface and interfacial tension of liquids · Contact angle according to the sessile drop method Main features of the software: · on-line interfacial tension/contact angle calculation · transient relaxation experiments · calculation of the dilation rheological parameters from relaxation measurements via Fourier analysis Measuring options: • automatic drop volume/area control (optional) • pendent drop, buoyant bubble, sessile drop surface / interfacial tension • dilational elasticity • contact angle • surface free energy • drop/bubble oscillations 0.001 to 1 Hz (optional) Range of surface and interfacial tension: 10 to 2000 mN/m, resolution: ± 0.05 mN/m Range of contact angle measurement: 5° to 175°, accuracy ±0.3° Dosing: manual drop/bubble formation Optics: manual fixed objectives Industrial CMOS-camera: max. resolution 1280 x 960 pixels USB, optical distortion: < 0.05 % Frame rate: up to 25 images/s Axis: manual x-axis, manual y-axis Illumination: LED, manually controlled light intensity Software: OS Windows 7, 8, 8.1 or 10, free update over 1 year after purchase Interface: USB Size of device (LxWxH): 400 x 200 x 200 mm (standard version) Weight: 3 kg Power supply: powered by USB bus Extra accessories: additional capillaries on request