System: True double-beam echelle optical system. Front surfaced, reflecting optics with protective coating. Deuterium background corrector and two built-in EDL power supplies
Optical system: Echelle monochromator. Focal length: 300 mm. Grating: 36 x 185 mm area, 79 lines/mm, blaze angle 76 oC. Fused quartz prisme: 95 x 40 mm, 60 o. Wavelength: 189-900 nm. Spectral bandpass: 0.12 nm at 200 nm. The photometer optics are covered to protect against dust and corrosive vapors. For maximum protection, the optical system can be purged with an inert gas.
Detector: High-efficiency, segmented solid-state detector
Light sources: Hollow cathode or electrodeless discharge lamps (EDLs). EDLs provide much higher light output and longer lifetime when compared to conventinal hollow cathode lamps. Lamp elements and recommended operating currents and slit selection are automatically recognized and set when using PerkinElmer Lumina series AA lamps. Lamp alignment is completely automatic with the four-lamp turret.
Flame gas: Fully automated gas bow with computer-controlled oxidant selection, automatic gas sequencing, oxidant and fuel monitoring and control.
Control: Software-actuated ignition with air/acetylene. Acetylene flow is automatically adjusted when switching to or from nitrous-oxide/acetylene operation.
|