水滴角測(cè)試儀試驗(yàn)原理: 所謂接觸角,是指在一固體水平平面上滴一液滴,固體表面上的固—液—?dú)馊嘟唤琰c(diǎn)處,其氣—液界面和固—液界面兩切線把液相夾在其中所成的角即為接觸角。 水滴角測(cè)試儀產(chǎn)品特性: 1. *設(shè)計(jì)的機(jī)械結(jié)構(gòu),多維協(xié)調(diào)控制樣品臺(tái)、進(jìn)樣系統(tǒng)、攝像系統(tǒng)的運(yùn)作,隨意調(diào)整,平穩(wěn)性高、水平性好; 2. 背光源采用可調(diào)亮度的LED冷光源,保證了液滴輪廓清晰可見。冷光源亦可有效避免額外熱度所導(dǎo)致的小液滴揮發(fā)現(xiàn)象; 3. 專業(yè)設(shè)計(jì)的手動(dòng)進(jìn)樣系統(tǒng),微距離移動(dòng)靈活方便,*配合微量進(jìn)樣器,使進(jìn)樣更為精確、方便; 4. 工業(yè)級(jí)高清CMOS相機(jī)配合可連續(xù)變焦顯微鏡鏡頭,采集圖像清晰不失真,成像分辨率達(dá)2048H×1536V; 5. 視頻實(shí)時(shí)監(jiān)控測(cè)試區(qū)域,可瞬間凍結(jié)和連續(xù)抓拍試樣圖像信息,抓拍周期可設(shè)定; 6. 軟件提供多種專業(yè)的測(cè)試方法和解析方式,適用于多種類型樣品和滴液形態(tài)的測(cè)試; 7. 軟件可多種方式求取接觸角值:左右接觸角值可分別計(jì)算與比較,及自動(dòng)測(cè)試和人工修整相結(jié)合,以達(dá)到更為精確的測(cè)試結(jié)果; 8. 軟件可進(jìn)行圖象數(shù)據(jù)的保存、打印和調(diào)入再分析,操作簡(jiǎn)單、測(cè)值準(zhǔn)確。 規(guī)格參數(shù): 測(cè)控 系統(tǒng) | 測(cè)試方式 | 靜滴法、表面能計(jì)算、懸滴法 | 接觸角解析方法 | 手動(dòng)量角法、量高法、兩基點(diǎn)法、自動(dòng)分析法(要求圖像清晰*) | 接觸角測(cè)試范圍 | 0~180° | 角度測(cè)試誤差 | ±0.1° | 角度測(cè)試分辨率 | 0.01° | 固體表面能計(jì)算 | Owen二液法 | 圖像拍攝方法 | 單張拍攝、連續(xù)間隔拍攝(慢存)、連續(xù)拍攝(快存) | 光學(xué) 系統(tǒng) | 攝像頭 | 1/2"CMOS工業(yè)CCD,USB2.0接口,300萬(wàn)像素,zui大分辨率2048×1536 | 鏡頭 | 工業(yè)連續(xù)變倍鏡頭,光學(xué)放大倍率0.7~4.5X,對(duì)焦距離40mm | 光源 | LED單色冷光源,亮度可調(diào) | 對(duì)焦方式 | 二維平移+弧擺調(diào)節(jié)臺(tái) | 樣品臺(tái) | 可測(cè)試樣品規(guī)格 | W120×D100mm | 左右移動(dòng) | 手動(dòng),行程80mm | 前后移動(dòng) | 手動(dòng),行程90mm | 上下移動(dòng) | 手動(dòng),行程20mm | 進(jìn)樣 系統(tǒng) | 進(jìn)樣方式 | 手動(dòng)旋鈕式控制進(jìn)樣 | 進(jìn)樣移動(dòng)范圍 | 65mm | 微量進(jìn)樣器 | 平頭針尖,無(wú)存液 | 外形尺寸 | 約W650×D280×H500mm | 重量 | 約22Kg(主機(jī)部分) | 電源 | 1∮ AC220V 50HZ |
典型應(yīng)用舉例: 1. 納米材料與不同活性劑間濕潤(rùn)性的測(cè)定與研究; 2. 聚合物、表面改性材料的分析與研究; 3. 油墨附著力的檢測(cè); 4. 玻璃、液晶屏、觸摸屏、光盤等表面清潔度分析; 5. 織物、薄膜等表面親水、疏水性分析; 6. 各類高精密零件表面處理效果分析; 7. 偏光片、膠片表面潤(rùn)濕性分析; 8. 鋁箔親水角的測(cè)定; 9. 粘貼劑與固體間的粘接程度研究與檢測(cè)。 英文版 Static Contact Angle Meter Model: XG-CAMA The instrument used to test the infiltration of liquid to solid, liquid and solid that is by measuring the contact angle formed between the size, to calculate the free energy of the solid-liquid adhesion, tension and other indicators. Such as the right, is a solid drop a droplet on a horizontal plane, on the surface of the solid test of solid - liquid - gas phase at the junction point, the gas - liquid interface and solid - liquid interface to liquid sandwiched between two tangent therein into the corner. Static Contact Angle Meter Features: 1. Real-time video monitoring, capture the sample image information collected at any time; 2. Computer measurement, calculation and display the results. For image data storage, printing, and analysis; 3. High-definition CCD camera and microscope zoom lens, image resolution of 2048H×1536V; 4. Adjustable LED brightness cold light source, the image resolution is clearly visible in the edge of the droplet; 5. Uniform droplet size of the capillary diameter, the measurement accuracy, high repeatability. Static Contact Angle Meter Specifications: Model | XG-CAMA | Control Systems | Test Methods | Droplet method, Surface energy calculation, Pendant drop method | Contact Angle Analysis | Height-width, Three-point Method, Two-point Method, Automatic analysis Method | Contact Angle Measurement Range | 0~180° | Angle Test Accuracy | ±0.1° | Angle Test Resolution | 0.01° | Solid Surface Energy Calculation | Owen two liquid method | Shooting Image Method | Single Shot, Continuous shooting interval (Slow memory), Continuous shooting (Fast memory) | Optical System | Webcam | 1/2" CMOS Industrial CCD, USB2.0 Interface, 3,000,000 pixels, Maximum Resolution: 2048×1536 | Lens | Continuous Zoom Lens, Optical Magnification: 0.7~4.5X, Focusing Distance: 40mm | Light Source | LED Cold Light Source, Adjustable Brightness | Focus | Two Dimensional Movement + Circular Movement | Test Bench | Test Table Size | W120×D100mm | Move Left and Right | Manually, Stroke 80mm | Moved Back and Forth | Manually, Stroke 90mm | Move Up and Down | Manually, Stroke 20mm | Sampling System | Sampling Mode | Manual Control | Moving Range | 65mm | Microsyringe | The flat tip, No remaining liquid | Dimension | Approx W650×D280×H500mm | Weight | Approx 22Kg (Host portion) | Power | 1∮ AC220V 50HZ |
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