顶视法接触角分析仪–TVA100是使用顶部反射法从上方测量液固接触角的仪器，这种创新的测量方法非常适合无法用传统侧视分析的凹面内的液滴。
TVA100的另一个优势在于，该仪器可以再非常小的接触角范围内具有特别高的精度，这使其成为评估玻璃清洁度的理想测量工具
Instrument dimensions
Footprint 610 mm × 250 mm (W × D)
Height 430 mm
Weight (without accessories) 10 kg
Interfaces
PC USB 3.0
Environment
Operating temperature 10 to 40 °C
Storage temperature -10 to 70 °C
Humidity without condensation
Power supply
Voltage 12 V
Power consumption 40 W
Sample dimensions
Maximum sample space 300 mm × ∞ × 50 mm (W × D × H)
Sessile drop
Results contact angle
Range 3.5 to 23° (±0.1°), 23 to 75° (±1°)
Models reflecting curve
Type static
Software
Software type ADVANCE
Software modules Contact angle (recommended)
Surface free energy of solids (optional)
Adhesion Analysis (optional)
Remote Control API (optional)
Surface free energy of solids
Results surface free energy
polar & disperse part
acid & base part
H-bond part
Models equation of state
Zisman
Fowkes
Wu
Owens-Wendt-Rabel-Kaelble
extended Fowkes
acid-base theory
Dosing System
Syringe Dosing electronic pipette
Drop deposition (syringe dosing) manual
Syringes, volume disposable tips (0.1 to 10 μL)
Camera system (standard)
Model Camera CF04
Connection USB 3.0
Resolution 1920 × 1200 px
Frame rate 2300 fps
Dark noise 7 electrons
Dynamic range 73 dB
Optics (standard)
Focus manual
Zoom 6.5× zoom, manual
Field of view CF04: 1.6 mm × 1.6 mm to 9.1 mm × 9.1 mm
Resolution of optics CF04: 1.2 μm
Illumination
Type LED illumination with manual dimmer
Optics (optional)
Field of view -
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