图片 接触角测试仪

接触角测试仪

用于应对不断变化的测量任务的接触角测量简易方案 接触角测试仪 - CAT适用于几乎所有液体的润湿测量。该仪器是快速测量静态接触角的理想仪器，可用于简单的润湿测试，也可通过表面自由能对材料进行表征。
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INSTRUMENT DIMENSIONS

Footprint 658 mm × 252 mm (W × D)
Height 430 mm
Weight (without accessories) 8.5 kg

INTERFACES

PC USB 3.0

ENVIRONMENT

Operating temperature 10 to 40 °C
Humidity without condensation

POWER SUPPLY

Voltage 90 to 264 V
Power consumption 9 W
Frequency 47 to 63 Hz

SAMPLE DIMENSIONS

Maximum sample space 306 mm × ∞ × 69 mm (W × D × H)

SESSILE DROP

Results contact angle
Range 0 to 180° (software-based)
Resolution 0.01° (software-based)
Accuracy 0.1° (instrument-based)
Models conic section
polynomial
circle
Young-Laplace
height-width
Type static
dynamic

SOFTWARE

Software type ADVANCE
Software modules Contact angle (included)

Surface free energy of solids (included)

SURFACE FREE ENERGY OF SOLIDS

Results surface free energy
Models equation of state
Zisman
Fowkes
Wu
Owens-Wendt-Rabel-Kaelble
Schultz-1
extended Fowkes
acid-base theory

DOSING SYSTEM

Syringe Dosing electronic pipette
Drop deposition (syringe dosing) manual
Syringes, volume disposable tips (120 μL)
Resolution (syringe dosing) 0.5 μL

CAMERA SYSTEM (STANDARD)

Connection USB 3.0
Resolution 1920 × 1200 px
Frame rate 2300 fps
Dark noise 2.5 electrons
Dynamic range 71.7 dB

OPTICS (STANDARD)

Focus manual
Zoom 6.5× zoom, manual
View angle 0 to 3.4°
Field of view 3.0 mm × 2.2 mm to 19.2 mm × 12.2 mm
Resolution of optics 4.4 to 15.6 μm

ILLUMINATION

Type high power monochromatic LED
Wave length, dominant 460 nm
Field of light 60 × 60 mm

STAGES

Control z-axis: manual
Length z-axis: 52 mm
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