Chapter 3 Instrument Constructions
3-6
AA-6800/6650 Instruction
3.1.4.2 AA-6650
On the front side of AA-6650 burner module, the knobs for adjusting the horizontal and vertical positions of the
burner (or graphite furnace) are prepared. The atomizer is driven with these knobs.
Figure 3.5 Burner Module (AA-6650)
No. (in Figure 3.5) Name Function
1 B
urner position
indicator scale
The scale shows the height of the burner, indicating the height
from the light path to the top of the burner head. In addition,
when the front-back indicating position of the burner is at the
vertical mark line, the slot of the burner head is positioned right
beneath the light path. For precise adjustment, refer to
6.1.1.2.
2 K
nob for adjusting
burner vertical
position
Turning this knob adjusts the front-back position of the burner.
When the knob is turned clockwise, the burner moves forward.
3 Knob for adjusting
burner horizontal
position
Turning this knob adjusts the burner height. When the knob is
turned clockwise, the burner moves down.
<1>
Front-back indicating position
Height indicating position
<3>
<2>
Vertical mark line
Enlarged view of the part marked with