Description

LR-SDC-80 Water Drop Angle Tester

Summary

Contact Angle is the tangent line of the gas-liquid interface at the intersection point of gas, liquid and solid. This tangent line has an Angle between the liquid and the solid-liquid boundary. The measurement of contact Angle is the main method for surface performance detection nowadays.

LR-SDC-80 basic contact Angle measuring instrument adopts the principle of optical imaging to measure the surface contact Angle, wettability, surface energy and other properties of the sample by means of image profile analysis. The equipment has high cost performance, comprehensive functions and can meet the requirements of conventional sample surface wettability measurement.

 

LR-SDC-80 Water Drop Angle Tester

Application

Contact Angle measuring instrument is widely used in various industries, in the mobile phone manufacturing, glass manufacturing, surface treatment, material research, chemical and chemical industry, semiconductor manufacturing, paint and ink, electronic circuits, textile fiber, medical biological and other fields, contact Angle measurement has become an important instrument to evaluate the surface performance.

  1. Wetting behaviors of liquid on solid surface, such as spreading, infiltration and absorption, etc., static contact Angle was measured by droplet method;
  2. Measurement of forward Angle, backward Angle, contact Angle lag, rolling Angle and dynamic contact Angle of materials on solid surface;
  3. Continuous real-time research and process recording of absorption materials, and curve analysis of contact Angle changes with time;
  4. Measurement of contact Angle of various special materials, such as powder, curved surface, superhydrophobic/superhydrophilic samples;
  5. Test the contact Angle of the material immersed in the liquid by adhesive drop method;
  6. Measurement of interfacial tension, polarity and dispersion components of various liquid surface by droplet method;
  7. Calculate the Surface free energy and analyze its polar dispersion component;
  8. Analyze the adherent work of liquid on solid surface to evaluate the uniformity and cleanliness of solid surface.

 

LR-SDC-80 Water Drop Angle Tester

Equipment Specifications

specification of equipment
Device host
Boundary dimension420mm (L) *150mm (W) *400mm (H)
Weight3.2KG
Power supply
voltage100~240VAC
Power20W
frequency50/60HZ
Interspace
platform size130mm×150mm
Maximum sample180mm×∞×30mm
Sample table regulation3D manual adjustment (upgradable automatic)
Manual adjustment, stroke 60mm, accuracy 0.1mm

Left and right manual adjustment, stroke 35mm, accuracy 0.1mm

Manual up and down adjustment, stroke 80mm, accuracy 0.1mm

Picture pick-up system
Image Maximum3000(H)× 2000(V)
 
Maximum frame rate70fps
sensorSONY 1/1.8″
spectrumBlack and white/Color
ROIcustom
Display line weightcustom
time of exposurecustom
power supply5 VDC USB port
transferUSB3 Vision
Microscope objective
focal length100mm
multiplying power8x
Resolution scale6~12um
Light source
typeSingle wavelength Industrial LED (Cold light)
wave length460nm
light field40mm×20mm
lifetime50000Hour
Lifetime
Drip systemDirect injection precision microinjector
control modemanual control
Drop accuracy0.1μl
injectorHigh precision airtight syringe
capacity1000μl
syringe needle0.51mm stainless steel super hydrophobic needle (standard)
Software
Contact Angle range0~180°
resolution ratio 0.01°
Contact Angle measurement methodFully automatic, semi-automatic, manual
analysis modeStop drop method (2/3 state), bubble trapping method, seat drop method
analytical methodStatic analysis, dynamic analysis of increasing and shrinking liquid, dynamic analysis of wetting, real-time analysis, bilateral analysis, forward and backward Angle analysis
test methodCircle method, ellipse/oblique ellipse method, differential circle/differential ellipse method, Young-lapalace, width and height method, tangent method, interval method
Surface free energy
test methodZisman, OWRK, WU, WU 2, Fowkes, Antonow, Berthelot, EOS, adhesion work, wetting work, spreading coefficient
Data processing
output modeAutomatically generated, can export/print EXCEL, Word, spectrum and other report formats






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