Monochromator

Aberration-corrected Czerny-Turner mounting

Wavelength range

185.0 to 900.0 nm

Bandwidth

0.2, 0.7, 1.3, 2.0L nm (4-step automatic switching)

Detector

Photomultiplier tube

Optics

Flame: optical double beam
Furnace: high-throughput single beam

Background correction

BGC-SR (high-speed self-reversal method)
BGC-D2 (D2 lamp method)

Number of HC lamps

6-lamp turret, 2 lamps simultaneously lit (1 for measurement, 1 warming up for next measurement)

Lamp mode

EMISSION, NON-BGC, BGC-D2, BGC-SR

Data processing:

Software requirements

Microsoft Windows Vista Business / XP Professional

Parameter setting

Wizard method

Measurement mode

Flame continuous method, flame single drop method, furnace method

Concentration computation mode

Calibration curve method (select primary, secondary, tertiary)
Standard addition method, simple standard addition method (primary expression)

Repeat analysis

Up to 20 repetitions. Mean value, standard deviation (SD) and coefficient of variation (RSD) display
Automatic exclusion of deviant values by setting SD and %RSD

Baseline correction

Automatic correction of baseline drift by offset correction in peak height / peak area modes.

Signal processing segment setting

Signal processing segments can be changed in peak height / peak area modes.

Sensitivity correction

Automatic calibration curve correction function using sensitivity monitoring

Analog output

2 channels (atomic absorption/energy signal, background signal)
Output range: 5.0, 2.5, 1.25, 0.625 Abs./V (each settable in 4 stages)
    Fixed at 1 V F.S. in EMISSION mode.

Power requirements

120 VAC (English Ver.), 220 VAC (Chinese Ver.), or 230 VAC (English Ver.), 230 VA, 50/60 Hz
Power is required separately for the personal computer.

Dimensions and weight

AA-7000F: 700 W　 588 D　 714 H mm, 72 kg
AA-7000G: 700 W　 580 D　538 H mm, 65 kg
(Protruding parts and optional equipment are not included.)

Ambient temperature / humidity

10 to 35 　C, 20 to 80% (less than 70% when temperature is higher than 30 　C)