Summary：

Fully automatic 360-degree rotation integral rotary type, fully automatic sampler, fully automatic calculation of contact Angle, humanized design, ensure the high repeatability and stability of the results. Including supporting software

Technical features:

1. The whole mechanical structure of the instrument is made of all-metal aluminum alloy, which is strong and durable. Modular design of parts, convenient for users to disassemble and assemble, to meet users’ different precision requirements.

2. Threaded adjustable square platform. Convenient for users to put on any uneven platform, can be arbitrarily adjusted to ensure the level of droplet platform.

3. Unique camera mounting bracket with wide retractable distance; Humanized teflon ring camera case to prevent back and forth movement scratch camera; Hexagon screw fastening structure, convenient for users to tighten the camera, to prevent camera shake.

4. Humanized ball screw and guide rail technology can ensure the rapidity of the liquid drop platform moving back and forth as well as left and right, as well as the moving accuracy. The precision error of manual movement is 0.01mm. Wide movement space, adjustable movement range up to 80mm before and after, convenient for users to move the camera and sample table to an optimal position.

5. Adjustable horizontal sample loading table, convenient for users to adjust the sample table to the horizontal state.

6. Microsampler titration with accuracy of 0.005ul; Needle locking structure is configured; Optional stainless steel, polytetrafluoroethylene needles and other materials, to meet the needs of different materials users. The wide liquid drop sampler moves up and down with an adjustable range up to 60mm.

7. Automatic 360°overall rotation platform, rotation accuracy up to 0.01 degrees

8. The back light source adopts LED cold light source technology, the brightness is continuously adjustable, and the droplet contour is clearly visible; No heat, avoid long time test, droplet heat evaporation.

9. The camera adopts high performance industrial digital camera, which has the advantages of high resolution, high precision, high definition, good color reduction, low noise, etc. USB2.0 standard interface is adopted for direct connection and use without unplug, which is very convenient for use. The lens adopts high resolution industrial continuous magnification lens with an optical magnification ratio of 0.7-4.5x. The highest resolution of the camera is 2048*1536, with transmission speed of 25 frames/SEC. Users can choose 3 million cameras with higher resolution, 5 million cameras with higher resolution, and ultra-high transmission speed of 100-300 frames/SEC.

10. Provide calibration function and calibration instrument for standard sample

11. It has video recording function.

12. The free energy of solid surface can be measured by one liquid method and two liquid methods.

Technical parameters：

1. Resolution：0.01°

2. Measure precision：0.1°

3. Measure range：0°-180°

4. Sample table parameters：

a) Moves horizontally on X：Working range Manually:100mm 100mm；

b) Moves horizontally on Y：Working range Manually 80mm；

c) Moves up and down on Z：10mm，resolution：0.01mm；

d) Automatic rotate 360 ° overall, precision of 0. 005 °, clockwise and counterclockwise rotation;

e) Automatic rotation speed adjustable (0. 005 ° / min to 360 ° / min), can be controlled by software, to stop at any Angle; Support user self-programming to achieve rotation of an Angle, capture a photo function;

f) Sample table size：300mm*300mm

5. Injection control parameters：

a) Full automatic injection device, including a set of high-precision ball screw propulsion control system, the injection precision is up to 0.005ul, the single sample amount is controllable (0.005-100ul), the continuous sample speed is controllable (0.005-100ul /min);

b) Support users to realize the function of dropping or absorbing any custom sample size and capturing a photo through self-programming;

c) Injection precision: 0.005ul, single addition quantity controllable (0.005ul -100uL), continuous addition speed controllable (0.005ul -100uL/min);

d) Microinjector: 100uL;

e) Needle locking structure is configured;

f) Upper and lower Z movement of the injector: manual injection stroke is 60mm, accuracy is 0.01mm;

6. Level adjustment：

a) Horizontal foot adjustment platform level.

b) Micro-adjustment of platform level: the adjustment range is 10mm and the accuracy is 0.1mm.

7. Light source：Adjustable brightness monochromatic cold light LED light.

8. Lens：Industrial continuous zoom lens: 0.7.-4.5X

9. Camera：

a) The camera moves forward and backward： Working range Manually:80mm, resolution:0.01mm

b) Industrial color USB2.0 camera or select the same type 1394 interface camera.

c) High definition standard BMP image format preservation, no image distortion or AVI video format output;

d) Maximum clear image resolution: 2048*1536 (standard BMP format, select 5 million or higher if required)

e) Image collection speed: 15-40 frames per second (customizable for 100 frames, 200 frames, 300 frames, or 1000 frames)

f) With video recording function

10. Test the function of solid surface energy:

a) The surface free energy is calculated by using the one-liquid method and Owens two-liquid calculation method

b) Measure range：0.01mN/m-2000mN/m

c) Measure precision：0.01mN/m

11. Function of testing surface tension:

a) Principle of measurement: Hanging drop method, droplet shape and size can be observed, real droplet profile analysis, automatic droplet sample, automatic analysis of surface tension and droplet geometry.

b) Measure range：0.01mN/m-2000mN/m

c) Measure precision：0.01mN/m

12. Software: with software copyright contact Angle analysis system, powerful automatic analysis function, to minimize errors caused by human factors:

a) Can test static contact Angle, dynamic contact Angle (forward Angle, backward Angle, inclination Angle, sliding Angle);

b) Automatic search of gas-solid-liquid three-phase interface: automatic search of solid and liquid interface;

c) The meter height method, single circle fitting method, double circle fitting method, real droplet contour method and other methods are used to automatically calculate the contact Angle and average contact Angle on both sides without manual operation.

d) Provide plane sample, rough plane sample, concave sample, convex sample and many kinds of plane model calculation methods;

e) Provide a variety of test collection modes: single measurement, continuous measurement (continuous collection of X sheets, continuous collection of X seconds), customer customization into a variety of modes, a variety of collection modes can be combined as required.

f) Powerful database data management method, convenient for users to classify the storage of data, and arbitrary export pictures and data, format excel, PDF, XPS, output to the printer and other formats.

g) Provide image processing functions: binarization threshold processing, contour processing and other modes;

h) With high precision calibration function of contact Angle, full range correction, any point contact Angle can be corrected to improve the accuracy of the equipment.

i) Acquisition method of contact Angle data: combination of automatic measurement and manual modification. The one-button “test” button enables the software to automatically take photos continuously — find the three-phase sensitive points — calculate the left and right contact Angle values — and display the calculation results. The whole process requires no manual intervention to minimize the influence of human factors.

13. Multi-dimensional motion adjustment mode is included in the overall structure of the instrument.