NSA-T02 is latest nanometer particle size analyzer, upgrade from Trueview801 which is 1st nanoparticle size analyzer in China, from software to hardware,originally manufactured by Trueview Particle Instrument stock Co., Ltd.,  based on the dynamic light scattering principle, and also 1st one which use digital correlator in China,  Based on Brownian movement principle, smaller particle, faster speed, bigger particle, more slowly.It adopt great performance of  HAMAMATSU photomultiplier and selfdeveloped high speed digital correlator as core parts, Get diffusion coefficient by test scattering light change in some angle, and calculate particle diameter and distribution according to StokesEinstein equation.therefore, it's the most matured instrument with good accuracy and repeatability in China. NSA-T02 can test wide distribution samples size range from 1 to 10000 nanometer,which has the characteristics of easy operation, high precision and wide test range, fast test speed and stable test data etc. It applies to the fields of production, scientific research and teaching of nanometer materials(powders, suspension and emulsion),  
 
Trueview, formerly known as the Institute of Jinan University, have built good partnership with the universities since 1985, and for now, 80% of China university choose NSA-T02 as research instrument because of good performance at cost price. 
 Main specification: 

Model	NSA- T02
Standard	GB/T 19627-2005/ISO 13321:1996 GB/T 29022-2012/ISO 22412:2008
Measure range	1-10000nm
Concentration range	0.1mg/ml--100mg/ml
Accuracy	<1%( Average particle size of standard sample)
Repeatability	<1%(Average particle size of standard sample)
Light source	Semiconductor laser λ= 532nm lifetime>25000hour
Detector	Imported HAMAMATSU photo-multiplier
Scattering angle	90o
Sample pool	4mL
Temperature control	5-40 ℃（temperature controller within 0.1℃）
Test speed	<5 Min
Outer Dimension	L48cm*W27cm*H17cm
G.W.	12Kg
Digital correlator	256 channels
Operation system	Win XP/Win 7
Analysis	Average particle diameter, particle distribution, photon counting rate etc.

 
 Main Features:
1) Advanced test principle: 
Dynamic light scattering principle and photon correlation spectrum technology, according to Brownian motion speed of particle to test particle size, different  size of particles have different speed, when laser illuminate these particles, it will make scattering light happen different speed of fluctuations- downs.Photo correlation spectrum method will analyze these particle size according to Photon fluctuations -downs in particular direction. 
2)  High resolution: 
Using PCR technology test nanometer-scale particle size, must be able to distinguish nanosecond signal fluctuations. The core components of the instrument is CR256 digital correlator developed by our company, with 8ns high resolution speed.
3) High sensitivity and Noise-signal ratio
Detector is composed of imported HAMAMATSU photomultiplier, so ensure good accuracy.
4) High speed data collection and calculation
Self-developed patent product-CR256 digital correlation, It could finish dynamic scattering light intensity collection and autocorrelative function real time calculation, Data processing speed is up to 162M, effectively reflect dynamic scattering light information of different sizes of particles.
5)High stable light system
Photon correlation spectrum detect system adopt optical-fibre technology, smaller size and high anti-interference and reliability.
6)High precision constant temperature control system
Semiconductor temperature control technology, precision control within ±0.2℃，make samples be in a constant state throughout the testing process, prevent testing error because temperature change will change liquid viscosity and Brownian movement speed. 
7) Output parameters:
particle size distribution(D100,D97,D50,D10,S/V, etc.)
 
 
NSA-T02 nanometer particle size analyzer application: 
1. Nonmetallic powders such as calcium carbonate, talcum powder, kaolin, zirconium silicate, wollastonite, graphite, silica powder, tourmaline, mica, barite, plaster, bentonite, diamond, quartz, diatomite, feldspar, calamite,clay, garnet, vermiculite, Titanium white power, etc. 
2. Metallic powder such as aluminum powder, iron powder, magnesium powder, molybdenum powder, copper powder, zinc powder, other rare metal power and varied alloy powder, etc.
3. Pharmaceutical, agricultural pesticide, grinding particle, foodstuff, scientific research, teaching, cement, ceramic, glass, chemical industry, military industry, soil, pigment, oil exploration, geological analysis, river silt and electronic particle, etc.
 

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