Research specific contact angle measuring instrument

Research specific contact angle measuring instrumentLSA100B is produced by LAUDA Scientific in Germany and is a basic universal measuring instrument that uses droplet shape analysis technology to explore interface phenomena. The measurement functions of LSA100B range from measuring the contact angle and wettability of liquids on solid surfaces to calculating and analyzing the free energy of solid surfaces, providing a basic and universal measurement tool for measuring and analyzing various liquid/fluid/solid interface systems.

Basic measurement function:

- Static/dynamic contact angle measurement

- Surface free energy measurement and adhesion work calculation

Analysis of the absorption process of powder or porous materials using video method

Basic configuration:

-1.9x zoom video system

- X-axis precise guide rail positioning video focusing table

- X/Y/Z three-axis precise guide rail positioning sample table

X/Y/Z three-axis precise guide rail positioning injection platform

-2 sets of manual injection units with differential heads

- SurfaceMeter professional measurement software

Research specific contact angle measuring instrumentIn addition to measuring contact angle and surface free energy, as well as characterizing wetting properties, LSA100B can also be equipped with expansion modules as needed to handle more measurement tasks:

- Optional suspended droplet method for measuring surface/interface tension module to complete surface/interface tension measurement

- Optional 6.5/8.6/12.9/45x zoom high-speed video system for complex functional applications

- Optional vertical adhesion lifting platform to measure the vertical adhesion force between liquid and solid materials

- Optional horizontal retention force rotary table to measure the horizontal retention force between liquid and solid materials

- Optional fully automatic tilt table (0-360 °), automatically measuring rolling angle, forward angle, backward angle and other related parameters

- Optional non-contact injection system to avoid droplet adhesion on the injection needle and solve the problem of transferring droplets to the surface of superhydrophobic materials

- Optional single fiber contact angle measurement module to measure the contact angle of a single fiber

- Optional Washburn method powder contact angle measurement module, use Washburn method to analyze the wettability of hydrophilic powder and calculate the contact angle

- Optional top view contact angle measurement module for more comprehensive measurement and analysis of contact angle, and the top view method solves the problem of measuring the contact angle of concave surfaces and extremely small contact angles of super hydrophilic surfaces

- Optional dual droplet injection function, enabling the instrument to measure two independent droplets simultaneously. Inject two liquids simultaneously and measure the contact angle of two different liquids on the solid surface with one click, thereby calculating the surface free energy

- Optional oscillation droplet interface rheological measurement module, using oscillation droplet method to measure interface expansion rheology

- Optional fully automatic critical micelle concentration measurement module, video hanging drop method for fully automatic measurement of critical micelle concentration (CMC)

- Optional super wetting surface measurement module, using advanced capillary tracking method to track the changes in the liquid level of the absorption liquid through video, accurately measuring the absorption volume and absorption rate of the absorption liquid. Overcoming the disadvantage of traditional contact angle measuring instruments that cannot further evaluate the wettability of super wetting materials when the contact angle approaches 0 °.

- Optional temperature control unit: Environmental temperature control testing room (-20---180 ℃)

Injector constant temperature sleeve (-20---180 ℃)

Electric heating high-temperature sample chamber (50-400 ℃)

- Optional humidity controller (relative humidity range: ca.8-90%)

Technical Specifications:

1. Contact angle measurement range: 0~180 °

Accuracy: ± 0.1 °

Resolution: 0.01 °

2. Video image system

(1) Lens: 1.9x zoom optical lens

(2) Resolution: 1440 × 1080pixel

(3) Camera speed: 227fps@1440 ×1080pixel

(4) Field of view: 1.6 × 1.2-14.3 × 10.6 (mm × mm)

3. Video Focus Adjustment Platform

Adjustment method: precise guide rail adjustment in the X-axis direction

Focusing range: 100 mm

4. Sample stage

Adjustment method: X/Y/Z three-axis precision guide rail adjustment

Mobile range: 100/100/50 mm

Size: 100x100 mm

Sample table load capacity (max): 12 Kg

5. Sample size (max): ∞ × 240x76mm (L × W × H)

6. Liquid addition unit adjustment table

Adjustment method: X/Y/Z three-axis precision guide rail adjustment

Travel distance: 85/76/60 mm

7. Light source: High brightness and high uniformity LED cold light source, brightness can be manually/software adjusted

8. Power supply: 50/60Hz; 110/240V; 90W

9. Instrument size (base) and weight: 600 × 160 × 517mm (L × W × H); 15Kg