Flame System Sensitivity: > 0,85 Abs with 5ppm Cu Burner Head: Titanium alloy burner Spectrometer Czerny-Turner: Monochromator, 190 to 900 nm. spectral Bandwith: 0.1nm, 0.2nm, 0.4nm, 1.0nm and 2.0nm, auto-set Wavelength Accuracy: ±0.25nm Wavelength Repeatability: 0.15nm Data processing: Flame AA, GFAAS, hydride and flame emission Determinations: 1-3 order calibration curves, standard additions Repetition Times: 1-20 times, with Ave, Std-Dev and RSD’s Correction up to: .0 Abs with D2 lamp, 3.0 Abs Self-Reversal The AAS-990F model shown in this photo has all the features that you expect from a modern, computer-controlled, general-purpose AAS instrument.