Instrument Usage:
 Evaluation of solid surface treatment, analysis of plasma cleaning effects, surface cleanliness analysis, research on solid-liquid or solid adhesion characteristics, liquid formulation design, characterization of surface printing performance, analysis of surface modification, and studies on the wettability of glass (including plastics or metals) surfaces. In fields such as mobile phone manufacturing, glass production, surface treatment, materials research, chemical engineering, semiconductor manufacturing, coatings and inks, electronic circuits, textile fibers, and medical biology, contact angle measurement has become a crucial instrument for assessing surface performance.
Technical Specifications:
*Overall Equipment Parameters:
 Body material: Aviation aluminum
 Input power supply: 220V 50-60Hz
 Power: 10W
 Instrument dimensions: approximately 485mm (W) * 175mm (L) * 440mm (H)
 Instrument weight: approximately 10KG
*Sample Platform System:
 Left and Right X Movement Manual: Stroke 30mm, Precision 0.1mm
 Forward and backward Y movement (Manual): Stroke 50mm, Precision 0.1mm
 Vertical Z-axis movement (manual): Travel 30mm, accuracy 0.1mm
 Level Adjustment: Overall machine level adjustment, camera level adjustment (delivered with a professional-grade XY level)
 Sample platform 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)
 Dropwise Control Movement Stroke: 25mm, Precision: 0.01mm
 Droplet method: Manual
 Droplet accuracy: 0.1ul
 Filling method: Manual (5ml glass beaker for filling)
 Microsyringe capacity: 1000ul
 Needles: Standard 0.5mm stainless steel needles (replaceable) - 10 pieces, superhydrophobic needles 0.25mm (replaceable) - 10 pieces
*Collection System:
 Camera: Onsemi rolling shutter
 Lens: 0.7x-4.5x
 Sensor Type: 1/1.8-inch progressive scan CMOS
 Resolution: 1280×1024
 Focal length: Adjustable ±2.5mm
 Image capture methods: single, interval, continuous
 Shooting interval: 500-3600000 ms
 Video recording methods: recording, playback, and compositing
 Clarity Measurement: Fully Automated Software Autofocus

 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: 5W
*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.)
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