| Place of Origin: | Shanghai, China (Mainland) |
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Computer pre-installing with CAST1.0
Weight-based method
3 measuring method
Series A20 - full-auto weight-based dynamic & static interface chemistry analytical system, equipped with world leading micro-analytical balance, high-precision positioning mechanism controlled by stepper motor, and digital semiconductor temperature sensor, are developed to meet the demand in interface chemistry measurement for high-precision control over the process of R&D and products’ quality. The instrument advantages in such merits as simple operation, high accuracy, complete function and excellent quality. It has powerful data management and covers three different measurement methods, which enable it to be applied extensively in measurement of dynamic / static surface tension (ST), interface tension (IFT), contact angle measurement of solid material, single fiber by Wilhelmy plate based method and Washburn-based method. International design, global sourcing and professional service provide you comprehensive and professional solution in interface chemistry measurement. Our instruments, with their obvious advantages, represent the leading level of weight-based interface chemistry equipment.
Performance features 1, Leading design of weighing sensor - Electromagnetic force balance sensor technology, expertise in micro-weighing analysis - Better temperature drifting correction, zero tracking technology - High data updating speed (8 data/s) and processing with more reliable values. - World’s first rear sensor (A101, A206), useful for volatile & corrosive sample liquid analysis, e.g. liquid ammonia and acid substances, etc. - Double-microchip processing technology, with better data-handling capacity and higher speed of processing. - Upgradeable software, customized to meet your special measurement requirements. 2, High-precision sample positioning stage and temperature control system - Stepper motor controlled high-precision vertical travel positioning stage, with resolution up to 0.1μm and repetitive-positioning accuracy up to 2μm. - Digital temperature sensor made of semiconductor with temperature resolution of 0.01°C and absolute temperature accuracy of down to 0.0625°C - Sample chamber controlled by water circulator offers best temperature control. 3, Comfortable operation process - Universal USB2.0 communication port provides stronger compatibility, higher speed, and convenient access to laptops and new-model desktops without RS232 port. - One-key zeroing and full-auto measurement with simple and convenient operation, to minimize errors caused by human operation. - Humanizing pre-wetting function, designed for oily sample measurement. Some samples can’t well wetting Wilhelmy plate or DuNoüy ring for the first time, especially for some oily sample. Our uniquely designed pre-wetting function can provide a more humanized solution for you in these cases. - Multiple self-calibration functions to enhance measurement reliability Series A60 are equipped with both weighing sensor calibration and self-calibration function of sensing interface (Wilhelmy plate and DuNoüy ring), which is much better than other manufacturers’. It can enable you to control the reliability of measured value more effectively. 4, CAST®1.0-powerful functions and user-friendly interface - More methods available for you to make a comprehensive solution. USA KINO exclusively provides 3 methods, including classical Wihelmy plate method (slide Wihelmy plate method), modified Wihelmy plate method and DuNoüy ring method. - USA KINO provides you a series of weight-based wettability analytical methods for solid material, e.g. contact angle analysis by Wilhelmy plate method , fiber contact angle analysis, and powder contact angle analysis based on Washburn method, in prerequisite that corresponding modules are purchased. (SM02 should be purchased) - USA KINO’s innovative 3rd generation Wilhelmy plate method used Young-Laplace equation correction, in which method plate needn’t be immersed and withdrawn in measuring process (such method is called zero buoyance method). It can be used for measurement of dynamic & static surface / interface tension, especially for viscous sample, which enriches measurement technologies of interface chemistry. (1)Professional liquid-gas / liquid-liquid interface detection technology; (2)Professional FK buoyancy correction technology; (3)Professional zero point correction and preset value technology. - Managing all dynamic live data 
(1)Software manages all live data that balance acquired. All data can be query and modified as well as exported to Excel. (2)Real-time display of data graph, with observation of interface tension changes. The function provides unparalleled convenience in measuring dynamic surface tension of time-dependent, medium-high viscosity samples, and volatile liquid or mixture. - Database with abundant liquid data 300 kinds of liquid with 800 data values can be directly used for analyzing surface free energy and its distributions of solid (such as Lewis acid and base components, hydrogen bond forces, polar force and dispersive force) (SM02 should be purchased) - Powerful database management with data storage, query and modification. (1)Real-time data storage and display, historical data searching, and eigenvalue modification are all available with CAST®1.0. (2)CAST®1.0 saves all the measured data of dynamic value automatically and exports them into Excel. - User-friendly language interface of CAST®1.0 The language interface of CAST®1.0 adopts leading-edge unicode technology, providing you with a user-friendly operation interface. With it, different languages can be switched easily. 5, Standardized measurement templates 
Various standardized measurement templates are available from USA KINO: - Measurement of surface tension and equilibrium surface tension as well as estimation of equilibrium time for surfactant. - Measurement of surface tension and equilibrium surface tension as well as estimation of equilibrium time for medium-high viscosity sample. - High-precision surface & interface tension measurement of pure liquid with fixed surface tension -Interface tension measurement, especially for plate-upward state in interface tension measurement. - Measurement of interface tension between monomolecular film and water, etc. Flexible Accessories - Powerful ion beam antistatic device (optional) for measurement of powder and single fiber with quite satisfactory result. Technical Specifications 1, Hardware Specifications 1 | Weighing Sensor | (1) Measuring Range | 0-999.999mN/m |
(2) Resolution | 0.001mN/m | ||
(3) Weighing Accuracy | 0.04mN/m | ||
(4) Absolute Error | ±0.2mN/m (Reference secondary distilled water) | ||
(5) Weighing Capacity | 220g | ||
(6) Weighing Readability | 0.1mg | ||
(7) Data Update Speed | 8 data/s | ||
(8) Data Processing | Double-chip processor | ||
(9) Zeroing Method | One-key zeroing with presetting functions | ||
2 | Sample Stage Control | (1) Lifting Range | 0-50mm |
(2) Lifting Accuracy | Travel resolution:0.007μm; Repetitive positioning: 0.5μm | ||
(3) Control of Lifting Speed | Variable speed | ||
(4) Control Mode | Software-controlled via USB port for better compatibility | ||
(5)Positioning Readout Mode | Read by software encoder | ||
3 | Communication Port | USB2.0 port can be directly connected to laptops, without compatibility of Rs232 | |
4 | Temperature Readout (Relevant accessories should be optional purchased) | (1) Temp. Sensor | Digital semiconductor temperature sensor made in U.S.A. |
(2) Temp. Calibration | Self-calibration | ||
(3) Accuracy | 0.01°C | ||
(4) Readout Mode | Automatically read by software | ||
1 | Measuring Method | 3 methods, includes: - Modified Wilhelmy plate method - Classical Wilhelmy plate method - DuNoüy ring method |
2 | Measuring Mode | Both automatic and manual mode in measurement of surface / interface tension |
3 | Standardized Measurement Templates (Optional purchased or customized) | Various standardized measurement templates are available from USA KINO: -Measurement of surface tension and equilibrium surface tension as well as estimation of equilibrium time for surfactant. -Measurement of surface tension and equilibrium surface tension as well as estimation of equilibrium time for medium-high viscosity sample. -High-precision surface & interface tension measurement of pure liquid with fixed surface tension -Interface tension measurement, especially for plate-upward state in interface tension measurement. -Measurement of interface tension between monomolecular film and water, etc. |
4 | Calibration | Self-calibration of platinum plate & platinum ring and weighing sensor calibration |
5 | Pre-wetting Function | Providing human-oriented pre-wetting function |
6 | Interface Detection | Detection of interface of liquid-gas/liquid-liquid automatically by software |
7 | Density Correction | Density correction with preset function for measurement of interface tension |
8 | Buoyancy Correction | 3 kinds of buoyancy correction modes, professional FK correction factor |
9 | Database Management | Real-time graph and storage, query of measured data and data Excel exportable |
1 | Dimension | 390L * 500W * 470H mm |
2 | Weight | 32Kg |
3 | Power Supply | AC 100-240 50/60Hz |
4 | Power | 40W |
Standard Components Model | A201 | A201S |
Standard Components | 1, one mainframe 2, one piece of platinum plate 3, two sets of sample vessels 4, one alcohol lamp 5, one tweezer 6, one data cable 7, one CAST®1.0 CD and relevant driver disk 8, one set of standard weights 9, one weight of 100 mg 10, one user manual | 1, one mainframe 2, one piece of platinum plate 3, two sets of sample vessels 4, one alcohol lamp 5, one tweezer 6, one data cable 7, one CAST®1.0 CD and relevant driver disk 8, one set of standard weights 9, one weight of 100 mg 10, one user manual 11, one piece of platinum ring 12, one set of temperature sensors 13, one set of portable control terminal |
Accessories | 1, platinum ring 2, temperature sensors 3, thermo-stating sample chamber 4, computer | 1, thermo-stating sample chamber |
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