Wavelength Dispersive X-ray Fluorescence Spectrometer, Model DW-WDX200, DRAWELL (CAT#: STEM-S-0035-CJ)

DW-WDX200 Compact Multi-channel X-ray Fluorescence Spectrometer, with the configuration of 10 fixed channels and the capability to analyze 10 elements simultaneously, is able to conduct elemental analysis of arbitrary ten elements from Na to U based on the users’ requirements. This instrument is widely used in cement, steel, powder metallurgy, coal, petroleum, kaolin, glass, refractory materials, and environmental protection and accordingly an ideal choice for quality control in large and middle-scaled enterprises.

Temperature control accuracy:Setting value ±0.1 °C
Measurable elements:10 arbitrary elements from Na to U
X-ray tube:400W thin Be end window X-ray tube made by Varian company, Rh anode (Pd anode optional)
Analysis algorithms:Empirical coefficient algorithm and theoretical a-coefficient algorithm
Power Supply:AC220V, 1 KVA AC purified stabilized voltage power supply
High voltage supply:200W (50KV4mA)
12-hour stability of tube voltage & tube current:less than 0.05 %
Vacuum pump:biphase~220V, 2 liters
Industrial computer:industrial 104 computer
Analysis accuracy:°n-1(24 hours, percent content) W0.05 %
Measurement time of single sample:W3-5 minutes (including time for changing samples and vacuum pumping)
Detector:gas proportional detector + sealed proportional detector; 10 path 1024 channel independent pulse height analyzer
Vacuum system:independent vacuum pump station, easy maintenance
The highest vacuum degree:lower than 5 Pa
Gas flow system:High Sophisticated Gas Density Stabilizer with pressure stability up to ±0.003 KPa
Analysis software:Equipped with software for two quantitative analysis algorithms: empirical coefficient algorithm and theoretical a-coefficient algorithm. With innovative technology of full spectrum analysis, every spectrum line can be timely traced and corrected, which greatly improves the repeatability and stability of quantitative analysis and also serves as intuitive evidence of instrument status diagnosis. Complete measures for self-diagnosis are supplied. In-built RS-232 serial communication protocol, TCP / IP protocol (S/ C based on Socket) and OPC protocol (OPC server) all offer ways to share data with DCS or QCS system.

Rapid and non-destructive analysis of powder and bulk samples
Multi-channel high speed MCA offers timely measurement of every element peak, benefiting not only instrument debugging and failure diagnosis but also the enhancement of stability.
Compared with sequential scan large power spectrometers, DW-WDX200 gains adequate analysis precision even when lower power and equal measurement time are adopted, which not only endows the instrument with high cost performance but also prevents wearing of the goniometer, prolongs the service life of the X-ray tube, minimize failures of the high voltage power supply and reduce the maintenance cost of the whole instrument.

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