Main features: 1 , the use of computer multimedia technology, optics and CCD camera combine to make images of droplets clearly displayed on the computer screen , you can store the image at the moment for the measurement , to avoid measurement failure caused due to evaporation of liquid . 2 , a special kind of manual tilting platform and processing system easy to measure advancing angle and receding angle . 3, with the curve baseline correction , automatic image analysis . 4 , dynamic and static contact angle , dynamic contact angle changes , forward angle / back angle , tilt angle , roll angle analysis . 5, the solid surface can estimate : Fowkes a liquid method , Owen two liquid method , Zisman method , Acid-Base Act and other surface tension surface free energy estimates. 6 , surface correction : convex surfaces, concave surfaces, surface roughness correction . 7 , a variety of test methods: hanging drop method, a droplet method. 8 , the contact angle values about the calculation of compensation . 9 , database management functions: query , backup , compression, export EXCEL form. Technical parameters: 1. The sample stage control a) move back and forth manually , stroke 50mm, 0.1mm accuracy b) move around manually , stroke 50mm, 0.1mm accuracy c) moving up and down manually , stroke 25mm, 0.1mm accuracy d) leveling feet to adjust the level of the platform level e) sample table size 70mm × 100mm, temperature control system is optional , standard without temperature control system 2. Injector Control a) manually moving the upper and lower part : the rack stroke 25mm, 0.1mm precision b) Manual knob injection system 3. CCD optical system a) continuous zoom 0.7-4.5 × optical zoom ( zoom parameters only built there enlarge rear mirror ) image magnification : 50-318piexl / mm b) the speed of the line CCD 700 parameters USB2.0 standard industrial CCD25 frames / sec ( optional higher-speed CCD) 4. Background light control a) tunable monochromatic light source LED cold light source b) front and rear lens adjustment manually , stroke 10mm, 0.1mm accuracy c) adjusting the lens up and down manually , stroke 10mm, 0.1mm accuracy d) a plan to adjust the lens manually tilt platform 5. Software section a) half-angle protractor measurement method, the half-size amount of the Supreme Court , automatic measurement, a five-point fitting b) Measurement of dynamic video automatically trigger video speed : 25 frames / sec. c) the interval 1-3600 seconds optional storage d) dynamic contact angle advancing angle and receding angles ( advancing angle and receding angle without options , roll angle with optional rotating platform , wetting angle with optional vertical jig ) e) Comparative around the corner angle is calculated and averaged about f) droplet volume control software control , accuracy of 0.1 microliters g) the surface free energy owens two liquid method ( otherwise optional) contact angle measurements h) convex curved surface correction i) the software upgrade free upgrade 6. The instrument is included in the overall structure of the seven-dimensional movement of the adjustment mode
Main features: 1 , the use of computer multimedia technology, optics and CCD camera combine to make images of droplets clearly displayed on the computer screen , you can store the image at the moment for the measurement , to avoid measurement failure caused due to evaporation of liquid .
