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Overall parameters | model | CA01 |
name | Basic optical contact angle measuring instrument | |
type | Basic type | |
Fuselage material | Aviation aluminum | |
Input power supply | 220V 50-60Hz | |
power | 10W | |
Instrument size | About 485mm(W)*175mm(L)* 440mm(H) | |
Instrument weight | About 10KG | |
Left and right x movement | Manual: travel 30mm, accuracy 0.1 mm. | |
Y-shift back and forth | Manual: travel 50mm, accuracy 0.1 mm. | |
Z-move up and down | Manual: travel 30mm, accuracy 0.1 mm. | |
Horizontal adjustment | Horizontal adjustment of the whole machine and camera (distribution of professional XY level) | |
Sample table size | 130*150mm (customizable) | |
Maximum sample that can be placed | 150(W)*∞(L)*30(H)mm | |
Sample table material | Aviation aluminum | |
Liquid injection moving stroke | Y stroke: 15mm Z stroke: 25mm, accuracy 0.1mm (needle centering and droplet transfer). | |
Dropping control movement | Stroke: 25mm, accuracy: 0.01mm | |
Dropping mode | manual | |
Dropping accuracy | 0.1ul | |
Liquid adding mode | Manual (dispensing 5ml glass beaker with liquid) | |
Micro sampler | Capacity: 1000ul | |
pinhead | Ten 0.5mm stainless steel needles (replaceable) and 10 0 0.25mm superhydrophobic needles (replaceable) are standard. | |
Acquisition system | camera | Onsemi line exposure |
camera lens | 0.7x-4.5x | |
Sensor type | 1/1.8 inch progressive scanning CMOS | |
resolution ratio | 1280×1024 | |
focal distance | ±2.5mm adjustable | |
Image shooting method | Single sheet, interval, continuous | |
Shooting interval time | 500-3600000ms | |
Video recording mode | Video recording, rebroadcasting and synthesis | |
Clarity measurement | Fully automatic software focusing | |
Maximum shooting speed | 80 frames /s | |
light source | Domestic industrial blue cold light source | |
compound mode | Adopt domestic high-quality Shi Ying diffusion membrane. | |
life | 20 thousand hours | |
brightness control | PWM digital adjustment+software adjustment | |
Light source wavelength | 465nm | |
power | 5W | |
Contact angle measurement method | Hanging drop method, seat drop method, etc. | |
Measuring software | CA V2.0 static/dynamic contact angle measurement software+surface energy measurement software. | |
Software operating system requirements | Windows 10(64-bit) | |
Contact angle measurement method | Automatic and manual | |
Calculation method of contact angle (static contact angle) | Automatic fitting method (ms-level one-key automatic fitting, without manual error), three-point fitting, five-point fitting, automatic measurement (including Circle method/ Oblique Circle fitting, Ellipse method /Oblique Ellipse fitting), concave-convex surface measurement, etc. | |
Baseline fitting | Automatic and manual | |
Angle range | 0°<θ<180° | |
precision | 0.1° | |
resolution ratio | 0.001° | |
Fowks method, OWRK method, Zisman method, EOS method, Acid-Base Theory method, Wu harmonic mean method and Extended Fowkes method (37 kinds of liquid databases are pre-installed in the software, and the liquid performance parameters can be established by themselves) can be directly transferred for surface energy estimation, and the data in the liquid database can be added, deleted and modified by itself. Solid surface energy, dispersion force, polar force, hydrogen bonding force, van der Waals component, Lewis acid component, Lewis base component and so on can be obtained respectively. | ||
Surface energy unit | mJ/m² |
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