1. Supply List

1.1 List of main equipment

1.2 Random consumables and spare parts

2. SparkCCD7000 analysis program

The standard working curve for this instrument is drawn by NCS Jiangsu Testing Technology Research Institute Co., Ltd. using standard samples. For special alloys and elements, the user will provide standard samples or controlled samples with fixed values, and NCS will draw them for free.

3.1 Instrument appearance

The newly designed appearance of the instrument is more in line with ergonomic design, making operation quick and convenient

3.2 Optical system

●Baching Runge frame method, grating focal length 500mm

●High-luminance holographic grating, with 2700 lines per millimeter

●Spectral range: 130 ~ 800nm

●Chromatic dispersion rate

•First-order dispersion rate: 0.74nm/mm

•Secondary dispersion rate: 0.37nm/mm

●Resolution: better than 0.01nm

●Multiple CCD detectors, with no limit on the maximum number of detection channels

3.3 Brand-new monitoring system

●Fully covered with silicone heating film, it provides even and stable heating.

●High-precision temperature control system, with a temperature control accuracy of ±0.1℃.

●The system monitoring interface is clearly displayed at the bottom of the software interface, showcasing status, information, and working curves, providing a comprehensive view of the instrument's status for ease of maintenance and debugging.

3.4 Control and data acquisition electronic unit

●16-bit analog-to-digital conversion microprocessor

3.5 Spark excitation source

●The discharge parameters are protected by a password

●High-energy pre-spark technology, with a maximum frequency of 1000Hz

●The parameters such as light source frequency and energy are continuously adjustable

●Discharge parameters:

3.6 Integral Collection

●Ethernet data acquisition method, stable data transmission, and low requirements for computers

●The multi-threaded data acquisition method enhances the stability of the software and the reliability of the data

●Up to 12-channel data acquisition with a wide acquisition range

●Data is collected using a segmented integration method, with 12 exposure time options available, enhancing flexibility in use

●The acquisition board uses lead-free tin spraying to reduce pollution and hazards

3.7 Spark station

●The spark platform measures 125mm × 95mm, and can analyze samples weighing up to 50Kg

●The newly designed coaxial spark station features optimized internal gas pathways, significantly reducing argon consumption, minimizing residual metal dust inside the spark station, and enhancing the stability of instrument analysis data

●The integrated lens isolation valve, with the lens and isolation valve being integrated, can prevent the impact of light chamber contamination caused by routine maintenance on intensity reduction, and the lens is easy to replace

●The discharge chamber is uniquely designed to ensure that the discharge occurs under optimal conditions

●The excitation electrode is a tungsten electrode

3.8 Argon-filled optical system

●The argon charging system is controlled by a valve terminal and software, featuring fast argon charging and low gas consumption

●The newly designed casting chamber features an extremely low thermal expansion coefficient, significantly enhancing the stability of the instrument

●The brand-new continuous argon filling system is stable and reliable, capable of ensuring the stability of the optical system over the long term and reducing spectral line drift

3.9 Analysis software

●Including the calculation of different curves for different substrates

●Fully Chinese-language analysis software, convenient for user operation

●The software permits the following operations:

•Establish and modify analytical procedures

•Output modes are selectable (intensity, intensity ratio, uncorrected concentration, corrected concentration, etc.)

•The concentration unit for analysis results is selectable (either % or ppm)

•It can be standardized for universal use

•Type standardization

•Correct interference between elements

•All results from over 100 excitations, along with their average values, standard deviations, and relative standard deviations, can be printed out

•Excitation can be repeated one or multiple times at the same point, and the results of one or multiple excitations can be eliminated

•Standard substance library

•It can perform statistical analysis and calculations

•The output can be displayed in different languages

•The analysis results can be exported in a data format that is compatible with office software

•Storing data on the hard drive facilitates future research

•It can be connected to an external computer or a central system

3.10 Power supply requirements

●220V, single-phase, 16A, 2.5KVA

●Ensure that the power supply is a sine wave; voltage fluctuation is less than ±10%; frequency fluctuation is less than ±2%

3.11 Overall dimensions

●Width × Depth × Height (47cm × 87cm × 44cm)

3.12 Weight

●Net weight is approximately 60Kg

●Gross weight is about 80Kg. 3.13 working environment

●Argon purity: not less than 99.999%

●Laboratory temperature range: 20 ~ 25℃

●Laboratory humidity: relative humidity less than 70%

●Ground wire: dedicated ground wire, with a grounding resistance of less than 4 ohms

●Shockproof performance: The impact resistance capability is 10 times the gravitational acceleration, with no noticeable vibration felt on the laboratory floor

●Electromagnetic field interference: RF signal attenuation is greater than 103, and there are no high-frequency generating devices such as medium-frequency furnaces or transformers near the laboratory

Dust requirement: less than 500 particles per kiloliter