Littrow Spectrometer

Product Description

Product Information

Product Name: CCD Full-Range Direct Reading Spectrometer

Model: WL15A

Detector: CCD

Optical System

Paschen-Runge optical structure, vacuum Rowland circle grating spectrometer chamber;

Semi-submersible vacuum chamber incident lens cleaning device;

Micro-displacement device for the entrance slit, high-precision anti-coated entrance slit, 10 μm;

Grating: Rowland circle grating; Grooves: 2400 lines/mm; Focal length: 400mm;

Wavelength range of the spectrometer chamber: 120--900nm;

Optical chamber: Ultra-thin constant temperature integrated optical chamber, automatic constant temperature at 35℃, accuracy ±0.1℃;

Electronic System

Peak voltage sampling circuit;

Vacuum measurement circuit for the spectrometer optical chamber;

High-speed USB multi-channel synchronous data acquisition using ARM chip, 16*100k synchronous sampling;

16-channel high-precision CCD, Toshiba TCD1304, 3648 pixels, total pixels: 58368, high-resolution full-spectrum acquisition;

AD acquisition: 16-bit single-pixel analog-to-digital conversion;

Cooling device: CCD uses cooling for noise reduction, low noise, high sensitivity;

Signal transmission: Fiber optic digital encoding transmission, strong anti-interference capability;

Excitation Light Source

Full-frequency digital excitation light source: Excitation frequency 100-1000Hz;

Digital excitation energy adjustment;

Dual spark combination discharge: More stable sample excitation;

Argon pressure electronic sensing protection device: Safer excitation, maintaining constant excitation pressure;

Fiber optic command transmission: Discharge inductance and capacitance parameter settings;

Gas Path

Flow meter pressure adjustment: Input pressure, 0.25MPa;

Flow meter indication adjustment: <5L/min;

Equipped with argon constant flow setting valve: 0.2L-0.5L/min;

Sample Stage

Open sample stage: Adaptable for larger sample analysis;

Stainless steel excitation platform: Durable and long-lasting;

Dual gas path excitation device: Sample excitation uses horizontal and vertical dual gas paths, conducive to stable sample excitation;

Vacuum

Ultra-thin vacuum body: Can be configured with a small vacuum pump;

Vacuum degree: Vacuum control less than 2Pa;

Intermittent vacuum control device: Pumping for 3-5 minutes, can maintain >3 hours, ensuring the optical chamber remains highly sensitive year-round and avoids oil vapor contamination;

Vacuum pump: Equipped with anti-backflow oil device, ensuring the optical chamber is not damaged by backflow oil;

Power Supply

Single-phase 220V 50Hz, standby power: approx. 100W; excitation working power: approx. 600W;

Vacuum pump independent power supply: Power: approx. 500W.

Appearance and Structure

Dimensions (unit: mm): L*D*H: 800 (L) × 650 (D) × 400 (H)           

Total weight: approx. 70kg

Guiyang Littles Instrument Co., Ltd.      CCD Direct Reading Spectrometer    Domestic Metal Analysis Spectrometer