Chapter 1 Overview
1-6
AA-6800/6650 Instruction
AA-6650F Specifications
AA-6650G Specifications
Burner Unit
Type Air-cooled pre-mix type
Burner Head Pure titanium
Nebulizer Pt-Ir capillary with PTFE orifice,
Impact bead is inseparable. Fluoric acid is usable.
Chamber Polypropylene
Positioning Manual positioning by adjusting knob
Gas Controller
Flow Rate/Pressure Control Automatic flow rate setting
Safety Measures • Automatic gas leak check
•Air-C
2
H
2
flame priority ignition
•Air/N
2
O auto switching with C
2
H
2
flow rate monitor (optical
sensor)
• Prevents raw gas discharge
• Prevents usage of wrong burner head
• Pressure monitor to prevent flashback at abnormal pressure
• Safety extinction by automatic detection of momentary power
failure
• Drain tank water level monitor to prevent flashback
Heating Temperature Range Ambient to 3000 qC
Heating Control Method • Drying: Current control method
• Ashing/Atomizing: Optical temperature control method
Heating Parameter Settings • Max. 20 stages
• Heating mode: RAMP/STEP
• Inner gas type: 2-line switching
• High sensitivity setting
• Furnace concentration boost cycle: Max 20 times
• Inner gas flow rate: 0 - 1.5 L/min
• Optimum furnace program search function
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