Technical Parameters
 
Radio Frequency Generator (RF)
l Circuit type: self-excited oscillation circuit, fully automatic ignition and all functions are controlled by computer software (ignition, flameout, power and other parameter settings). Real-time power control, automatic matching and tuning. Constant temperature of light room.
l Working frequency: 40.68MHZ±0.05% 
l Frequency stability: <0.1% 
l Output power: 700-1600W 
l Output power stability: ≤0.3% 
l Electromagnetic field leakage radiation intensity: 300mm from the fuselage Electric field Intensity E: <2V/m
 
Sample Introduction Device
l Output working coil inner diameter 25mm, 3 turns
l Torch: Quartz torch with 20mm outer diameter
l Coaxial sprayer outer diameter 6mm
l Double barrel fog outdoor diameter 35mm
 
Argon gas flow meter specifications and carrier gas pressure gauge specifications 
l Plasma flow meter: 100-1000 L/h, 1.6-16L/min
l Auxiliary gas flow meter: 6-60 L/h, 0.1-1L/min
l Carrier gas flow meter: 6-60 L/h, 0.1-1L/min
l Carrier gas pressure regulator: 0-0.4MPa
l The instrument is equipped with a secondary argon regulator valve: 0.3MPa
    
Metering Device      
l Photomultiplier tube specification: R212UH
l Photomultiplier tube negative high voltage: 200-1000V, stability <0.05%
l Photomultiplier tube current measurement range: 10-12-10-4A
l Signal acquisition is V/F exchange: 1mV corresponds to 100Hz
 
Splitter
Optical path: Czerny-Turner
Focal length: 1000mm
Grating specifications: ion-etched holographic grating, line density 3600 lines/mm
                    Engraved area: 80×110mm, reciprocal of line dispersion rate: 0.26nm
Wavelength range: 190-500nm
Resolution: ≤0.008nm
Scanning wavelength range 3600 lines/mm Scanning wavelength range: 190-500nm
Stepping motor drive step distance: 0.0006nm
Entrance slit: 20µm, Exit slit: 25µm
Launch mirror specifications: (78 × 105 × 16) mm
Lens: ф30, 1:1 imaging
 
Machine Technical Indicators
l Measuring wavelength range: 180-500nm    3600L/mm
l 180-800nm    2400 L/mm
l Measurement accuracy (repeatability): average relative standard deviation RSD≤1%
l Measurement stability: average relative standard deviation RSD≤2
l Lower detection limit: sub-PPb