德國Sinterface公司成立于1998年,是一個(gè)專門設(shè)計(jì)和制造膠體與表面科學(xué)新技術(shù)新儀器的德國公司，Sinterface生產(chǎn)的儀器主要用于張力測(cè)量，2維流變學(xué)，接觸角測(cè)量，乳化以及泡沫分析等，主要儀器有：界面分析張力儀，泡壓張力計(jì)，泡沫分析儀，界面剪切流變儀，薄膜分析儀（該儀器為全球第一臺(tái)準(zhǔn)確測(cè)量液膜厚度的商業(yè)化儀器）
工作原理:
原理是基于對(duì)懸垂的和固著的水滴或漂浮的和固定的氣泡形狀的分析
流變學(xué)研究
適用于測(cè)定液體在固體表面的接觸角
產(chǎn)品優(yōu)勢(shì):
現(xiàn)代測(cè)量液體表面和界面張力的方法
界面流變學(xué)研究
不同應(yīng)用程序的模塊擴(kuò)展
產(chǎn)品特點(diǎn):
-液體的表面和界面張力
-靜態(tài)接觸角和動(dòng)態(tài)接觸角，按固著下降法計(jì)算
-表面自由能的測(cè)定
–表面流變學(xué)研究，以測(cè)量膨脹彈性和粘度
-等密度液-液系統(tǒng)的毛細(xì)管壓力測(cè)量(可選模式DPA-1M)
-更高頻率下的表面流變學(xué)研究(可選模塊ODBA-1M)
-直接drop-drop、bubble-bubble和drop-bubble交互(可選模塊DBMM-1M)
-流體動(dòng)力學(xué)實(shí)驗(yàn)與可選的設(shè)置，包括我們自己的高速視頻
軟件特點(diǎn):
在線計(jì)算界面張力/接觸角
-非常精確的控制回路，以保持恒定的體積或面積的下降或泡沫
-注射系統(tǒng)平穩(wěn)振蕩
-諧波和瞬態(tài)弛豫實(shí)驗(yàn)
-通過傅里葉分析從弛豫測(cè)量中計(jì)算膨脹流變參數(shù)
-固體表面自由能的計(jì)算(不同方法)
技術(shù)參數(shù):
| Range of surface and interfacial tension | 1 to 2000 mN/m resolution: ± 0.01 mN/m |
| Range of contact angle measurement | 2° to 178° accuracy ±0.3° |
|
Measuring options: |
automatic drop volume/area control pendent drop, buoyant bubble, sessile drop surface / interfacial tension dilational elasticity and viscosity contact angle surface free energy drop/bubble oscillations 0.001 to 0.5 Hz (basic version) up to 200 Hz (ODBA-1M module) |
| Dosing | built-in automatic dosing system (optional second automatic dosing system) |
| Additional measurement??modules: | drop pressure module DPA-1M oscillating drop bubble oscillation module ODBA-1M drop bubble micro manipulator DBMM-1M |
| Optics | manual fixed or zoom objectives |
| Camera |
Industrial CMOS-camera: resolution 1280 x 1024 pixels IEEE1394A – FireWire,?optical distortion: < 0.05 % high speed camera optional |
| Frame rate | Rates for standard camera: 25 images/s at resolution 1280 x 1024 pixels 100 images/s at resolution 640×480 pixels 320 images/s at resolution 320×240 pixels Rates for high speed camera: after requiest |
| Axis | manual x-axis, manual?y-axis, manual z-axis |
| Illumination | LED, software controlled light intensity |
| Software | Windows Application free update over 1 year after purchase |
| Supported OS | OS Windows 7, 8, 8.1 or 10 |
| Interface |
USB 2.0 instrument control IEEE1394A-FireWire for camera |
| Size of device (L xW x H) | 700 x 200 x 270 mm (standard version) |
| Weight | 18 kg |
| Power supply | external 100 … 240 AC to 24 VDC, 40 W |
| Extra accessories | adjustable temperature controlled cell additional automatically controlled dosing system (up to 4 systems) coaxial double capillary for drop exchange liquid exchange cell piezo control unit special contact angle cell high temperature cells |
