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 |
Atomic Absorption Spectrophotometer NAAS-402 used for precise detection and quantification of metal elements in various sample types using flame and hydride methods. It is widely applied in environmental testing labs, pharmaceutical quality control, and academic research facilities.
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.
