1Optical system1. Pascal Runge optical structure, vacuum Roland circular grating spectral chamber;
2. Semi submersible vacuum chamber incident lens cleaning device;
3. Micro displacement device for incident slit, high-precision reverse coating incident slit, 10 microns;
4. Grating: Roland circular grating; Engraving line: 2400 lines/mm; focal length: 400mm
5. Wavelength range of the spectral chamber: 120-700nm;
6. Light chamber: ultra-thin constant temperature integrated light chamber, automatic constant temperature of 35 ℃, accuracy ± 0.1 ℃;
Ensure that the instrument can continue to operate normally in any harsh environment, from the laboratory to the furnace site, and even more severe environments.
2Electronic systems Peak voltage sampling circuit
2. Vacuum measurement circuit of spectrometer optical chamber
3. Adopting ARM chip high-speed USB multi-channel synchronous data acquisition, 16 * 100k synchronous sampling;
4. 16 channel high-precision CCD, Toshiba TCD1304, 3648 pixels, total pixels: 58368 high-resolution full spectrum acquisition
5. AD acquisition: 16 bit single pixel analog-to-digital conversion;
6. Refrigeration device: CCD adopts cooling noise reduction, low noise, and high sensitivity;
7. Signal transmission: Fiber optic digital encoding transmission, strong anti-interference;
3Excitation light source1. Full frequency digital excitation light source: excitation frequency of 200-800Hz;
2. Digitalization stimulates energy regulation; Dual spark combined discharge: more stable sample excitation;
3. Argon pressure electronic induction protection device: safer excitation, maintaining a constant excitation pressure;
4. Fiber optic command transmission: discharge inductance, capacitance parameter setting;
4Gas path1. Flow meter pressure regulation: input pressure, 0.25MPa;
2. Flow meter indication adjustment:<5L/min:
3. Set valve with argon constant flow: 0.2L-0.5L/min;
5Sample stand1. Open sample stage: can adapt to larger sample analysis:
2. Stainless steel excitation platform: durable and long-lasting;
3. Dual gas path excitation device: The sample excitation adopts horizontal and vertical dual gas paths, which is conducive to stable excitation of the sample;
6Vacuum1. Ultra thin vacuum body: can be equipped with a small vacuum pump;
2. Vacuum degree: Vacuum control is less than 2pa;
3. Intermittent vacuum control device: pumping for 3-5 minutes, can be maintained for>3 hours, ensuring that the light chamber is in a highly sensitive state all year round and avoiding oil and gas pollution;
4. Vacuum pump: equipped with anti backflow device to ensure that the light chamber is not damaged by backflow;
7Power supply1. Single phase 220V 50Hz, standby power: about 100w; excitation working power: about 600w;
2. Independent power supply for vacuum pump: power: approximately 500w.
8Analysis software Run all Chinese analysis software on the Windows system, with the ability to switch between multiple language versions according to requirements, set analysis parameters, and activate
Flushing and pre ignition time selection, automatically completed.
2. Automatic data collection, using the least squares principle to automatically fit the working curve.
3. Automatic two-point or single point standardization of analysis curves.
4. Automatic sample control calibration, one analysis curve, can choose multi-point sample control calibration.
5. Output methods available: intensity, intensity ratio, concentration, correction concentration.
6. At the same point, one or more excitations can be repeated, and the results of one or more excitations can be deleted.
7. Automatically calculate the mean, SD, and RSD.
8. Automatically correct interference between elements and background correction.
9. A public standard substance library.
10. The test results can be printed and saved, and the printing format can be arranged by oneself or generated into Word documents for saving.
11. The test results can be transmitted over long distances through networks and computer standard ports.
12. The software comes with fault diagnosis and self-test programs, automatically generating data files that can remotely diagnose instrument faults.