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Nanjing Dejie Electronic Instrument Co., Ltd
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spectrum analyzer

NegotiableUpdate on 02/11
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Overview
The DJ-2000 spectral analyzer adopts standard design and manufacturing process technology, using CMOS signal acquisition components from Hamamatsu Corporation in Japan. Each CMOS can individually set the number of sparks, synchronized with spectrometer technology. It adopts a vacuum chamber design and a fully digital excitation light source. This CMOS spectrometer combines the full spectrum characteristics of a CCD spectrometer with the extremely low detection limit of a PMT spectrometer for non-metallic elements. The overall design is reasonable, the operation is simple and easy to learn, and it has the advantages of accurate data and good long-term stability.
Product Details

spectrum analyzerMain technical parameters

Application field

Various analyses in metallurgy, casting, machinery, scientific research, commercial inspection, automotive, petrochemical, shipbuilding, electricity, aviation, nuclear power, metal and non-ferrous smelting, processing and recycling industries.

Detectable substrate

Iron based, copper based, aluminum based, nickel based, cobalt based, magnesium based, titanium based, zinc based, lead based, tin based, silver based.

optical system

Pascal Runge Roland circular full spectrum vacuum optical system

wavelength range

140~680nm

Grating focal length

401mm

detector

High performance CMOS array/CCD array

Light source type

Digital light source, high-energy pre combustion technology (HEPS)

Discharge frequency

100-1000Hz

discharge current

Big 500A

working power supply

AC220V 50/60Hz 1200W

instrument size

780*565*360mm

Instrument weight

About 80kg

Detection Time

Depending on the type of sample, it usually takes around 20 seconds

Electrode type

Tungsten jet electrode

Analyze gaps

4mm

Other functions

Vacuum, temperature, software automatic pressure control, communication monitoring


spectrum analyzerMain technical features

High performance optical system

The arc flame generated when the optical system is excited is directly introduced into the vacuum optical chamber through the lens, achieving direct optical path and effectively reducing optical path loss;

The CMOS components used can accurately measure the content of non-metallic elements such as C, P, S, As, B, N, as well as various metallic elements;

The measurement results are accurate, reproducible, and have long-term stability.

Automatic optical path calibration

Automatic optical path calibration, the optical system automatically scans spectral lines to ensure correct reception and eliminate tedious peak scanning work;

The instrument automatically identifies specific spectral lines and compares them with the original storage lines to determine the drift position, and identifies the current pixel position of the analysis line for measurement.

Plug in lens design

The vacuum optical system adopts a * incident window and vacuum isolation, which can be operated under the working state of the vacuum system. The optical lens adopts a plug-in lens structure, which is convenient and fast for daily cleaning and maintenance.

Vacuum chamber integration

*The design of the light chamber structure makes the vacuum chamber volume smaller, and the vacuum pumping time is only half of that of a regular spectrometer;

The integrated design of the vacuum chamber and high-precision machining ensure that the vacuum is maintained for a longer period of time.

Vacuum anti backflow technology

Multi level isolation vacuum anti oil technology, using a vacuum pressure differential valve to ensure that the vacuum chamber is isolated from the vacuum when the vacuum pump is not working

A vacuum oil filter device has been added in the middle to ensure that the oil in the vacuum pump does not enter the vacuum chamber, ensuring that the CMOS detector and optical components work in a reliable environment.

Open excitation table

The flexible sample clamp design of the open excitation table machine is designed to meet the analysis of various shapes and sizes of samples on site for customers;

By using small sample fixtures, the low analysis of wire can reach 3mm.

Jet electrode technology

Using jet electrode technology and tungsten material electrodes, an argon jet gas flow will be formed around the electrode in the excited state, so that the excitation point will not come into contact with the outside air during the excitation process, improving the excitation accuracy

Paired with an argon gas path design, it greatly reduces the amount of argon gas used and also lowers customer usage costs.

Integrated gas path module

The pneumatic system adopts a maintenance free design of pneumatic modules, replacing solenoid valves and flow meters, with electrode self blowing function, creating a good environment for excitation.

Digital excitation light source

Digital excitation light source, using an advanced plasma excitation light source, with ultra stable energy released to excite the sample in an argon environment;

All digital excitation pulses ensure ultra-high resolution and high stability output of the excited sample plasma;

The various parameters of the light source can be adjusted arbitrarily to meet the excitation requirements of different materials.

High speed data acquisition

The instrument adopts high-performance CMOS detection components, with separate ultra high speed data acquisition and analysis functions for each CMOS, and can automatically monitor and control the operating status of modules such as light chamber temperature, vacuum degree, argon gas pressure, light source, and excitation chamber in real time.

Ethernet data transmission

Ethernet cards and TCP/IP protocols are used between the computer and spectrometer to avoid electromagnetic interference and the drawbacks of fiber aging. Additionally, the computer and printer are externally mounted for easy upgrading and replacement;

It can remotely monitor the status of instruments, and the multi-channel control system can control and monitor all instrument parameters.

Prefabricated work curve

Equipped with standard sample libraries of different materials and grades, the instruments are pre fabricated with working curves at the factory for easy installation, debugging, and timely production;

There may be slight differences based on the analysis program corresponding to the elements and materials. The excitation and testing parameters of the instrument have been adjusted before leaving the factory, and the testing conditions can be automatically selected according to the analysis program;

The technical specifications include an analysis range (and the working curve can be drawn or extended for free based on user provided standard samples).

Fast analysis speed

Fast analysis speed, only takes 20 seconds to complete one analysis;

By setting pre ignition time and measurement time for different analysis materials, the instrument can achieve excellent analysis results in a short time.

Multimatrix analysis

The optical path design adopts a Roland circle structure, with detectors arranged alternately up and down to ensure the reception of all spectral lines without increasing hardware facilities, enabling multi matrix analysis;

Facilitating the addition of matrix and material types and analytical elements according to production needs (without hardware costs).

Software Chinese English system

Instrument operation software * compatible with Windows 7/8/10 systems;

The software is easy to operate, and even personnel without any knowledge or experience in spectrometer operation only need to undergo simple knowledge training to get started using it.