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Auto Wet Dispersion Laser Particle Size Analyzer (0.1-750μ m)1
Analysis InstrumentLaser Particle Size AnalyzerLaser Particle Size AnalyzerWet Dispersion Particle Size Analyzer
Xiangtan Xiangyi Instrument Limited
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Product Description PA-POP9LW Auto Wet Dispersion Laser Particle Size Analyzer is a new cost-effective laser particle size analyzer designed base on the features of PA-POP6LW. It will bring a feeling of freshness to powder industry with higher testing performance. ApplicationsMeasure the particle size distribution of powder or latex. PrincipleLight is an electromagnetic wave. When light meets with particles on it way of traveling, the interaction between light and particles will result in deviations of part of the light, which is called light scattering. The bigger the scattering angle is, the particle size will be smaller, the smaller the scattering angle is, the particle size will be bigger. The particle analyzer instruments will analysis the particle distribution according to this physical character of the light wave. Output itemParticle size distribution table, Particle size distribution curve, average particle diameter, median diameter, specific surface area FeaturesTechnical features Reliable optical platform1. Use horizontal straight light path layout, no reflecting prism, light path is stable and reliable.2. Good design ability for base, good consistency of light path.3. GB/T4857.18 drop test has been passed.4. Anti-moist ability of laser power module and the stability of electric are better.5. Modular construction design, maintenance is more convenient.6. The testing performance for small particles is improved.7. The all-in-one housing design, it's dust-protected and water-proof.Schematic diagram of optical pathTotally enclosed design of light path system, dust pollution and external light pollution can be prevented.Light path adopts lens back Fourier transform structure.Optical source adopts He-Ne laser emitter which owns better monochromaticity, high coherence, small divergence angle and good stability compared to other laser emitters,We also adopt the patent design of integrated laser emitter(patent no.: 00228952.0) which reduces heat distortion of laser tube and external mechanical vibration.For laser emitter, except for traditional detection of output power value, we add the stability test of output power. Smoothing processing technology is used to reduce the impact of power fluctuation to measurement.Constant current limit and filling process of laser tube are used to reduce the flash frequency to the minimum.Backward detector is added, the lower limit of measurement is extended to 0.1micron.Spatial filter is fixed by powerful permanent magnet, the pinhole is not easy to shift under the disturbance of external force, so the stability of the optical path has been Greatly improved. Besides, the new designed spatial filter eliminates the laser diffraction ring more effectively, the light background of the instrument is lower, optical energy data is more accurate, it is helpful to improve the testing capability for large particles.Detector array adopts unique scattered light detection around a sphere surface (DAS) (patent no.: 95223756.3), the large angle detectors are placed in a spherical surface to get accurate focus of the large angle scattered light. Advanced data collection and processing technologyNew designed data collecting board uses 32 bit CPU from famous chip design company-ARM,the CPU has the advantages of high-effective signal processing capacity and low power Consumption.Using 8-channel simultaneous sampling to sample 16 bit ADC, the sampling frequency of frame data can reach 1 kHz.Using 64-channel simultaneous sampling technology and sample & hold switch with ultralow leakage current, the full scale accuracy can reach 0.15%.Easy to update the firmware and layout data, more convenient for maintenance and operationOffset function of electric background, it can help to get more accurate optical energy data. Injection systemsInjection system uses a centrifugal pump structure, selection of imported motor, speed 450 to 3500 rpm (stepless).Use of precision potentiometer knob to adjust the motor speed to achieve variable speed motor.Speed control circuit comes with speed detection module, to precisely control the pump speed.Use of an external DC 24V power supply module, to improve the safety factor.NOTE: Densities of powder particles in the injection system largely affect circulation dispersing effect, providing a suitable injector according to the different needs of customers. Friendly & practical software FunctionsSOP standardization operating procedure function, analysis & testing process standardizationMultiple distribution models: Rosin-Ramler mode, general mode, enhanced mode, Single modeTwo report models: General purpose, statisticsTwo accumulative directions: small to large, large to smallReports in two languages: Chinese, EnglishData input functionReports can be exported as Word, Excel format or other text format filesMultiple reports can be opened at the same time, easy to compare among reportsReport items can be set/ selected according to customers' requirements, also can be set as fixed report format.Users can define refractive index parameters by themselves, including real part and imaginary part (correspond to the absorption of sample)Automatic clear of electric background The Application of Patents and Proprietary TechnologyScattered light detection around a sphere surface (DAS)The large angle detectors are placed in a spherical surface to get accurate focusing of large angle scattered light.Integrated laser emitterThe beam expander and the pinhole filter are integrated in several concentric tubes, and then jointed into one tube with both ends enclosed. It is shock proof, easy to maintain and with stable laser output. Specifications TheoryMie scatteringMeasuring Range0.1 ~ 750μmSample Feedingwet dispersionRepeatability<1% (standard sample D50)Scan frequency1 kHzMeasurement Duration1-2 minutesNumber of Detectors49Light SourceHe-Ne laser, 2.0 mW, 0.6328 μmEnvironmental RequirementTemperature: 5-35°C, Humidity: <85%Report ItemsParticle size distribution table & graph, Average diameter, Median diameter, SSA, etc.Dimension(L X W X H)838 X 265 X 295mm (main host) SCF-105B injection system (Automatic)Friendly, smooth and beautiful shape design.Use of self-priming pump, with automatic water injection, drainage and cleaning function.Communicate with the host, all the control can be realized by softwareSystem uses a centrifugal pump structure which is high cycle efficiency, large & fast flow rate advantages.Selection of Swiss imports brushless DC motor, using a round belt drive, effectively reduce vibration and noise.Open design of sample pool for easy operation.Motor speed 0 ~ 4000r / min, stepless adjustable control accuracy ± 20 rpm.Injection pool capacity 500ml, circulation pipe maximum flow ≥2.5L/min.Built-bottom ultrasound function, ultrasonic power upto 50W, ultrasonic power and ultrasonic time adjust stepless.Modular design for easy repair and maintenance. SCF-108 injection system Modular design, operation and easy to use.Unique lantern centrifugal pumps circulation structure has been patented (patent number: 2012204087053).Circulating pump made of high quality SUS316 stainless steel, long-term use does not rust.Imported motor, can achieve 600 to 4000 rpm variable speed, highly efficient cleaning draining capacity.Built-in ultrasonic frequency 40kHz, power stepless adjustable, maximum power of 100W, ultrasonic time from 0 to 30 minutes stepless.Use of under pressure water dispersion technology design makes the system dispersion ability, even if high density of the sample remained dispersed for good resultsAdvanced circuit design cycle, the water cycle is flowing particles are not easy to settle, making the test data to effectively reflect the true characteristics of the sample.Standard 1000ml sample cell can replace the sample cell capacity according to demand. SCF-126 loop injection system (Semi-auto) Injection system uses a centrifugal pump structure, imported motor, speed: 450 to 3500 rpm (stepless).The use of precision potentiometer knob to adjust the motor speed to achieve variable speed motor.Speed control circuit comes with speed detection module, to precisely control the pump speed.Use of an external DC 24V power supply module, to improve the safety factor.
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