M4000 Benchtop AES Optical Emission Spectrometer M4000 Benchtop AES Optical Emission Spectrometer creatively combined with world leading argon circulation technology enables the analysis of Fe, Al, Cu and other bases materials. aes spectrometer (benchtop spectrometer, optical spectrometers) is an ideal solution to fast and accurate quantitative analysis near the furnace, metal material quality control and scientific research. Stationary Metal AnalyzersOptical System  Paschen-Runge optical system  Mult-CCD detectors with high resolution  Wavelength range: 175-520nm  Optics sealed argon circulation system Spark Stand  Open sample clamp  Easily operated sample clamp adapted to different sample geometrics  Optimized argon circuit design  Easy to clean and maintenance Excitation Source  Programmable pulse digital source  Maximum discharge frequency: 1000 Hz  Maximum discharge current: 400 A  Spark ignition puls1-14kV  Spark excitation puls20-230V  Arc excitation puls20-60V  Excitation Hole:13mm   Argon Requirement  Purity requirementï99.999%  Input pressur0.5MPa  Max 3.5L/min in sparking  Average standby flow: 1L/min   Electrical and Environmental Requirement  AC220V±20V,50Hz  Max 400VA in sparking  Average standby power 50VA  Room temperature: 10ï30  Storage temperatur0ï45  Relative humidity: 2080% M4000 Metal Analyzer Model ModelWavelengthDescription M4000 N175-520 nmAvailable for bases such as Fe,   Al, Cu M4000 S200-520 nmAvailable for bases of Al, Cu