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Suzhou FSTAR Scientific Instrument Co., Ltd.

China Manufacturer with main products: Optical Instruments, Spectrometer, Optical Measurement System, Luminance Meter

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viewing angle analyzer EZContrast

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Export Markets: North America, South America, Eastern Europe, Southeast Asia, Africa, Oceania, Mid East, Eastern Asia, Western Europe


Fourier spectral viewing angle measurement instruments 
with high performance

ELDIM Company manufactures viewing angle analyzers 
according to fourier spectral principles for more than 10 years. 
The systems developed by us become better and better 
in terms of ability in full viewing angle and big light spot year by year. 
Multi-spectral series products adopt most advanced optical 
design principles with viewing angle range up to 88°.

High efficiency
One of key characteristics of this system is that it adopts a kind 
of patent technology; it can control system’s aperture angle and 
size of light spot independently. High collection efficiency, 
viewing angle up to 88°with extremely high precision are key
 advantages and development of this patent compared with  
traditional fourier optical analysis.

High speed analysis
This full viewing cone graph is measured with extremely 
high azimuth angle resolution. It only takes several minutes to 
measure luminance as well as radiation. Holographic graphs of 
films and components can be formed in seconds. Goniometer is 
used to measure them by the traditional way and it usually takes 
several days.  

High precision
All ELDIM’s systems follow strict processing procedures, 
quality control and correction procedure. Every CCD camera 
is with higher spectral sensitivity and every filter’s design and  
spectral sensitivity are controlled through the method of 
spectrophotometry. We develop special tools and procedures to 
make systems achieve high viewing angle.  

High reliability
ELDIM independently processes systems’ every key component. 
Its performance is very high due to adoption of advanced 
technology: magnetic fluid polishing technology, stitching intervening 
method, etc. 
In order to reduce polarization of low direct light and derivative 
light, we paint non-reflective light coating on the surface and make 
optical calibration within system. Optical calibration and coating 
painting are made in dust-free rooms. All systems will be tested to 
make sure quality several days before they will be transported. 

Service Process

Service Guarantee

  • Free Service Charge

    ECVV doesn't charge any service fee to Buyers for buying this product.

  • ECVV Supply

    ECVV is responsible for supply, and provides product quality inspection, fund supervision and supply chain services.

  • Product Quality Commitment

    ECVV China Sourcing Agent will assess the reputation and supply ability of the factory and conduct field trips to select the high-quality Chinese factories for buyers.

  • Deposit Service Commitments

    In order to improve the quality of service, ECVV will charge for a 100CNY deposit for the agent purchasing order, and the deposit will be part of subsequent purchasing costs.

    After paying a deposit, if the purchasing order is not completed because of unsatisfied ECVV services, ECVV will refund your deposit.

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