DLS-802 dynamic light scattering nanometer particle size analyzer which based on the dynamic light scattering principle, the first manufacturer which use digital correlator in China. It was upgraded from DLS-801 which is the first set of nanometer particle size analyzer in China. Based on Brownian motion principle, smaller particle, faster speed, bigger particle, more slowly. It adopts great performance of Japan HAMAMATSU photomultiplier and self-developed high speed digital correlator as core parts, get diffusion coefficient by test scattering light change in some angles, and calculate particle diameter and distribution according to stokes-Einstein equation. the machine is with characters of fast calculation, high resolution ration, good accuracy, and repeatability, therefore it’s widely used in company product lab research and university.
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Specs
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DLS-802
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Standards
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GB/T 19627-2005/ ISO 13321:1996
GB/T 29022-2012/ ISO 22412:2008
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Measure range
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1nm - 10000nm
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Concentration range
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0.1mg/ml - 100mg/ml
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Accuracy error
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<1% (CRM D50)
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Repeatability error
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<1% (CRM D50)
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Light source
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Semiconductor laser λ= 532nm P=30mW
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Detector
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Imported Japan HAMAMATSU photo-multiplier (19-90℃)
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Scattering angle
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90o
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Sample cuvette
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1-4mL
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Test temperature
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5-40 ℃ (temperature controller 5-90℃, precision within 0.1℃)
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Test speed
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<5 Min
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Power Supply
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220V 50Hz/ 60Hz
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Outer Dimension
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L48cm * W27cm * H17cm
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G.W.
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12 Kgs
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Operation system
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Win XP/ Win 7/ Win 10, 64 bits, USB port: 2.0 /3.0
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Analysis
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Average particle diameter, particle distribution,
photon counting rate etc.
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Analysis mode
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NNSL, multi-peak and CONTIN
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Digital Correlator
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Model
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CR256
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Auto-correlation channels
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256
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Baseline channel
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4
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Physical channels
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5000
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Unit delay time
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100ns-10ms
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