시설장비 설명 |
1. Optical System 1) Type : Horizontal Paschen-Runge mounting 2) Focal Length : 750 mm 3) Grating Grooves : 2400 grooves/mm 4) Detector : Photo multiplier tube only 5) Maximum channel : Up to 55 channels 6) Dispersion : - 1st order ; 0.54 nm/mm - 2nd order ; 0.27 nm/mm 7) Wavelength range : Should be satisfied the analytical program 8) Temperature control : inside of spectrometer is temperature controlled (32℃±0.1) 9) Automatic profiling for entrance slit by computer 10) Entrance window : Heating system 2. Vacuum System 1) Pump : Mechanical 2-Stage vacuum pump 2) Vacuum pump automatic controlled by microprocessor 3) Duty cycle of the vacuum pump : less than 5% 4) Degree of vacuum : less than 1 x 10-3 mmHg 3. Sample Stand 1) Electrode : Tungsten electrode 2) Clamping system : Pneumatic sample clamp 3) Cleaning : Automatic electrode cleaning system 4) Argon flushed & Low argon consumption 5) Argon flow : 3L/min during analysis or less Not required stand-by argon gas 6) Top of standard sample stand (12mm diamete |