Ⅰ General principles

The buyer is responsible for providing the conditions and requirements of the site, and meet the requirements of the external installation and other cooperation conditions, the Seller shall provide the equipment and technical services in accordance with the requirements of this agreement. The seller (to ensure full compliance) shall comply with the requirements of the technical specifications, and the analytical instrument shall meet the requirements of the national (or industry) standards.

DW-TY-9000 Full Spectrum Direct Reading Spectrometer, which adopts the international standards of design and manufacturing technology, follows the steps of international spectrum technology and applied the new all digital technology instead of PMT simulation technology. In addition, in order to make this apparatus' best capability, long term stability and repeability, and the lowest sense lines. The design of vacuum optics room and the technology of all digital excitation light source, advanced CCD detector, high-speed data reading system are applied. This machine is available in metal manufacture and processing industries. It's also one of the main testing machine in metal metallurgy. Such as quality monitoring, material grade identification, material research and development.

3.1 Specifications and technical parameters

Item	Index
Detection of substrate	Fe,Al,Cu,Ni,Ti,Co,Zn,Sn,Mg,Pb etc
Testing time	According to the sample type, generally about 25s
Optical system	The Paschen Runge construction full vaccum type optics system
Wavelength coverage	130~800nm
Focal length	400mm
Detector	High-performance CCD Array
Electrode	Tungsten material injection electrode
Analytical gap	The sample analysis of clearance: 3.4mm
Operating temperature	(10~35)℃
Storage temperature	(0~45)℃
Operating humidity	20%~80%
Argon purity requirements	99.999%
Argon gas inlet pressure	0.5MPa
Argon flow	Stimulate the flow around 3.5L/min,Maintain flow around 0.4L/min
Stimulate the maximum power	400VA
Type of Lamp-house	New digital adjustable light, high energy precombustion technology(HEPS)
Discharge frequency	100-1000 Hz
Discharge current	Maximum 400A
Excitation aperture	13mm
Vacuum system	The vacuum automatic control and monitoring software
Working power supply	220V AC, 50/60Hz, single phase power supply for protective grounding
Instrument size	725865550(mm)
Instrument weight	80kg

. Elements and the scope of instrumental analysis

Program	Fe-Low alloy		Fe-Cr-Ni steel Cr-Ni
Elements	Min	Max	Min	Max
C	0.006	1.3	0.008	2.5
Si	0.01	3.9	0.09	4
Mn	0.03	2.1	0.12	16
P	0.002	0.12	0.003	0.3
S	0.002	0.16	0.001	0.4
Cr	0.01	4.5	7.4	32
Ni	0.004	4.4	0.8	48
Mo	0.004	1.3	0.08	4.2
Al	0.003	1.5	0.005	1.7
Cu	0.002	0.5	0.05	4.5
Co	0.001	0.5	0.008	17
Ti	0.002	1.2	0.005	1.1
Nb	0.002	0.3	0.02	2
V	0.003	0.9	0.02	9.5
W	0.03	2.1	0.002	4.1
Pb	0.003	0.03	0.001	0.02
Mg	0.001	0.14	0.001	0.14
B	0.006	0.02	0.007	0.02
Sn	0.001	0.09	0.003	0.05
Zn	0.002	0.04	0.006	0.08
Sb	0.002	0.02	0.0005	0.022
Fe	(Remain)		(Remain)