Atomic Absorption Spectrophotometer NAAS-404 ensures a wavelength range of 185 to 900 nm for comprehensive element detection. It features an automatic eight lamp turret for multi element analysis. Our titanium burner head enhances durability and safety under demanding conditions. It has multi-step temperature programming that enables precise furnace control for the detection of trace elements. This automatic gas control simplifies operation and ensures enhanced data management.
| Integration | Flame/Graphite Furnace Integrated Machine |
| Lamp Holder | Eight lamp automatic turret, automatic alignment |
| Lamp Current | Pulsed power supply |
| Optical System | Fully enclosed, 1800 mm grating |
| Wavelength Range | 185 to 900 nm, automatic peak search, optical optimization |
| Wavelength Accuracy | ≤ 0.15 nm |
| Wavelength Repeatability | < 0.1 nm |
| Spectral Bandwidth | 0.1, 0.2, 0.4, 0.7, 1.0, 1.4, 2.0 nm (auto switching) |
| Baseline Stability | ≤ ±0.002 A / 30 min (static) ≤ ±0.004 A / 30 min (dynamic) |
| Absorbance Range | 0 to 4 A |
| Detector | Imported photomultiplier tube |
| Ignition Type | Microcomputer-controlled, automatic ignition |
| Gas Control | Automatic gas control system |
| Burner Head | Full titanium, 50 mm or 100 mm |
| Atomization Chamber | Polymer explosion-proof, corrosion-resistant |
| Nebulizer | Efficient glass atomizer (customizable) |
| Flame Detection Limit (Cu) | 0.002 µg/mL |
| Flame Precision | RSD ≤ 0.5% |
| Graphite Furnace Heating | Vertical heating |
| Temperature Control | Vertical optical monitoring, graphite tube wall |
| Temperature Range | Ambient to 3000°C |
| Temperature Program Steps | Up to 20 steps automatic control |
| Enrichment Capability | Up to 20 times |
| Graphite Detection Limit (Cd) | 0.4 × 10⁻³ g |
| Graphite Precision | RSD ≤ 2% |
| Cooling System | Optional water circulation system |
| Safety Features | Graphite tube damage, water flow, air pressure alarms, overheating protection |
| Communication Interface | PC connectivity, software-controlled |
| Power Supply | 110/220V, 50/60 Hz, 5000 VA |
Atomic Absorption Spectrophotometer NAAS-404 used for<strong> </strong>precise metal element analysis in various sample types using flame and graphite furnace methods. It is widely applied in metallurgy, food and beverage quality control, clinical diagnostics, and environmental testing laboratories.
