The AAS is fully PC controlled with modern and compact design. Automatic vertical 4/8-lamp turret supports high-performance element lamp, can be rotated 360 degrees and make sure the test accuracy and reliability is not affected by the gravity. Automatic burner adjustment ensures the maximum sensitivity, you can raise or lower the burner according to the reading. Wavelength range 190-900nm. Automated slit selection 0.1, 0.2, 0.4, 0.7, 1.4, 2.0 nm. Deuterium (D2) Background Correction.