Flame Sensor AA500FG Metal Elemental Analyzers, Air/Acetylene, Nitrous Oxide / Acetylene

Spectrometer System

Wavelength range

190-900nm

Light source

Hollow cathode lamp (HCL), Deuterium Arc lamp (D2)

Modulation 

Square wave pulse

Modulation frequency

100hz self reversal (SR) background, 400hz Deuterium Arc (D2) background

Monochromator 

Grating 

1800 grooves/mm diffraction grating

Blazed wavelength

250nm

Focus 

300nm

Bandwidth 

0.1, 0.2, 0.5, 1.0, 2.0, 5.0nm

Scan mode

automatic

Photometric type

Single beam

Wavelength accuracy

+0.15nm

Wavelength resolution

0.2nm+0.02nm

Wavelength reproducibility

<0.05nm

Spectral bandwidth

0.5, 1.0, 2.0, 5.0nm

Baseline stability

0.005A/30min

Stray light

≤0.12%T(220nm NaI, 340nm NaNO2)

Background correction

Deuterium Arc (D2) 1.0Abs, Self Reversal (SR) 3.0Abs

Flame Analysis

Flame types

Air/Acetylene, Nitrous Oxide/Acetylene, Air/Propane (LPG)

Sensitivity (Cu)

2μg/ml Absorption >0.280Abs

Characteristic concentration

Cu<0.02μg/ml, Ba<0.15μg/ml (N2O/Acetylene)

Detection limit

Cu<0.004μg/ml

repeatability

Cu<0.7% (Air/Acetylene Flame)

Ba<1.0% (Nitrous Oxide/Acetyle