Atomic Absorption Spectrophotometer NAAS-402 offers a wavelength range of 190 to 900 nm for comprehensive optical performance. It features automatic wavelength setting for precise and user-friendly operation. This eight-lamp turret with automatic alignment enables efficient multi-element analysis. It is equipped with an explosion-proof atomizing chamber which ensures safe and reliable measurements. Our USB connectivity provides seamless integration into modern laboratory workflows.
| Lamp Holder |
Eight lamp holders |
| Integration |
Flame/Graphite Furnace Integrated Machine |
| Wavelength Range |
190 to 900 nm |
| Wavelength Accuracy |
≤ 0.15 nm |
| Wavelength Repeatability |
±0.1 nm |
| Operating Temperature |
+15°C to +35°C |
| Relative Humidity |
20 to 80% |
| Grating |
1800 I/mm |
| Spectral Bandwidth |
0.1, 0.2, 0.4, 1.0, 2.0 nm (auto adjustable) |
| Baseline Stability |
≤ ±0.002 A / 30 min (static)
≤ ±0.005 A / 30 min (dynamic) |
| Light Source |
Automatic turret with alignment |
| Lamp Power |
Built-in high-performance double cathode power |
| Characteristic Concentration |
0.015 µg/mL / 1% (Cu) |
| Detection Limit |
0.002 µg/mL (Cu) |
| Precision |
RSD ≤ 0.5% |
| Combustion Head |
Metal titanium |
| Atomizer |
Efficient glass atomizer |
| Atomizing Chamber |
Explosion-proof, corrosion-resistant spray chamber |
| Control System |
PC controlled, auto alignment, ignition, optimization |
| Safety Features |
Auto safety protection, anti-tempering, gas leakage alarm, auto shutdown |
| Background Correction |
Deuterium lamp correction (up to 1A) |
| Measurement Methods |
Flame method, hydride method |
| Calculation Method |
Standard curve (1 to 3 curves), auto matching, standard addition |
| Repetition Frequency |
1 to 99 times; calculates average, SD, RSD |
| Data Output |
Print parameters, data, graphs; export Word and Excel |
| Communication Interface |
USB and PC connectivity |
| Power Supply |
220V, 50/60 Hz, 5000 VA |
FAQ for Atomic Absorption Spectrophotometer NAAS-402
1: How does the eight-lamp holder improve performance in Atomic Absorption Spectrophotometer NAAS-402?
The eight-lamp turret in Atomic Absorption Spectrophotometer NAAS-402 minimizes downtime by reducing the need for frequent lamp changes, allowing quick switching between multiple elements for faster analysis.
2: What makes Atomic Absorption Spectrophotometer NAAS-402 safe for laboratory use?
The Atomic Absorption Spectrophotometer NAAS-402 is equipped with explosion-proof atomizing chambers, gas leakage alarms, and automatic shutdown features, ensuring operator safety and system protection.
3: Can Atomic Absorption Spectrophotometer NAAS-402 handle both flame and hydride methods?
Yes, Atomic Absorption Spectrophotometer NAAS-402 supports flame and hydride generation techniques, offering flexibility for diverse applications, including trace element detection in complex matrices.
4: How does background correction enhance accuracy in Atomic Absorption Spectrophotometer NAAS-402?
Atomic Absorption Spectrophotometer NAAS-402 has integrated deuterium lamp correction, compensates for sample matrix interferences, providing accurate and consistent readings even with challenging samples.
5: Is Atomic Absorption Spectrophotometer NAAS-402 suitable for digital workflows?
Absolutely. With USB connectivity and export options to Word and Excel, Atomic Absorption Spectrophotometer NAAS-402 simplifies data management and ensures compliance with modern laboratory standards.
