Instrument usage:
Evaluation of solid surface treatment, analysis of plasma cleaning effect, analysis of surface cleanliness, study of adhesion characteristics between solid and liquid or solid, design of liquid formula, characterization of surface printing performance, analysis of surface modification, study of surface wettability of glass (including solid materials such as plastics or metals), etc. Contact angle measurement has become an important instrument for evaluating surface performance in fields such as mobile phone manufacturing, glass manufacturing, surface treatment, material research, chemical engineering, semiconductor manufacturing, coatings and inks, electronic circuits, textile fibers, medical biology, etc.
Technical Specifications:
*Overall parameters of the equipment:
Body Material: Aviation Aluminum
Input power supply: 220V 50-60Hz
Power: 10W
Instrument size: approximately 485mm (W) * 175mm (L) * 440mm (H)
Instrument weight: approximately 12KG
*Sample platform system:
Left and right X movement manual: stroke 30mm, accuracy 0.1mm
Front and rear Y movement manual: stroke 50mm, accuracy 0.1mm
Up and down Z movement manual: stroke 30mm, accuracy 0.1mm
Horizontal adjustment: whole machine horizontal adjustment, camera horizontal adjustment (delivery professional XY level)
Sample table size: 130 * 150mm (customizable)
Maximum sample size that can be placed: 150 (W) * ∞ (L) * 30 (H) mm
*Injection system:
Injection movement stroke Y stroke: 15mm Z stroke: 25mm, accuracy 0.1mm (needle alignment and droplet transfer)
Drop control movement stroke: 60mm, accuracy: 0.01mm
Dropping method: automatic
Dropping accuracy: 0.1ul
Liquid addition method: automatic (delivery of 5ml glass beaker for liquid addition)
Micro injector capacity: 1000ul
Needles: Standard configuration includes 10 0.5mm stainless steel needles (replaceable) and 10 0.25mm superhydrophobic needles (replaceable)
*Collection system:
Camera: Onsemi line exposure
Lens: 0.7x-4.5x
Sensor type: 1/1.8 inch progressive scanning CMOS
Resolution: 1280 × 1024
Focal length: ± 2.5mm adjustable
Image capture methods: single shot, interval, continuous
Shooting interval time: 500-3600000ms
Video recording methods: recording, replaying, and compositing
Clarity measurement: Fully automatic software focusing

Maximum shooting speed: 80 frames per second

*Light source system:
Light source: Domestic industrial grade blue cold light source
Combination method: Using domestically produced high-quality quartz diffusion membrane
Service life: 20000 hours
Brightness adjustment: PWM digital adjustment+software adjustment
Light source wavelength: 465nm
Power: 1W
*Contact angle measurement:
Contact angle measurement methods: hanging drop method, seat drop method, etc
Measurement 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 methods: automatic and manual
Static contact angle calculation methods: automatic fitting (one click fully automatic fitting at ms level, without manual error), three-point fitting, five point fitting, automatic measurement (including circle fitting/oblique circle fitting, ellipse fitting/oblique ellipse fitting, concave convex surface measurement, etc.)
Dynamic contact angle measurement: Advancing angle, retreating angle, hysteresis angle (can fit multiple images or videos in batches for continuous video analysis calculation)
Baseline fitting: automatic and manual
Angle range: 0 ° ＜ θ ＜ 180 °
Accuracy: 0.1 °
Resolution: 0.001 °
*Surface energy:
Surface energy measurement methods: Fowks method, OWRK method, Zisman method, EOS method, Acid Base Theory method, Wu harmonic mean method, Extended Fowkes method (37 liquid databases are pre installed in the software, and liquid performance parameters can be established by oneself). Data can be directly imported for surface energy estimation, and liquid library data can be added, deleted, and modified by oneself. Solid surface energy, dispersion force, polarity force, hydrogen bonding force, van der Waals component, Lewis acid component, Lewis base component, etc. can be obtained separately
Surface energy unit: mJ/m ²
*Optional accessories:
1. USB 2.0 digital CCD camera, 1 unit
2. One continuous zoom optical system
3. One set of manual sampling system
4. One set of application software for table interface analysis and measurement system
5. One paper copy of the instruction manual and one electronic version of the instruction manual
6. 10 hydrophilic injection needles and 10 hydrophobic injection needles
1 7.1ml sampler
8. One power and data cable
9. XY dedicated level 1