BK-AA860B Pro features an advanced 8-lamp design, a flame atomizer, 7-level spectral bandwidth adjustment, and Zeeman background correction. It delivers full-wavelength, full-element analysis with high-precision background compensation, capable of detecting over 30 elements at concentrations ranging from mg/L(10⁻⁶) to μg/L(10⁻⁹) levels. Ideal for geochemistry, metallurgy, materials science, agriculture, petrochemicals, third-party testing, and academic research.
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Features:
1. The flame system uses high-precision mass flow controllers for precise automated flow control.
2. The constant transverse magnetic field Zeeman background correction technology provides superior full-spectrum background absorption correction capability.
3. Built-in cooling water detection and temperature monitoring ensure reliable operation of the magnetic field system.
4. The patented quick-release burner head design solves cleaning challenges, allowing tool-free disassembly in just 3 seconds.
5. A complete gas-liquid separation system and fuel filtration unit ensure stable operation in high-humidity environments or with limited gas supply.
6. Multiple safety interlock mechanisms with automatic shutdown and alarm functions protect against operational anomalies.
7. The modular instrument design and circuit architecture enable easy maintenance and quick component replacement.
Technical Parameters:
| Model | BK-AA860B Pro |
| Wavelength Range | 170~900nm |
| Spectral Bandwidth | 0.1, 0.2, 0.4, 0.8, 1.2, 1.6, 2.6nmnm |
| Wavelength Accuracy | ±0.1nm |
| Wavelength Repeatability | ≤0.05nm |
| Detector | Photomultiplier tube detector |
| Monochromator | Classic Czerny-Turner configuration |
| Optical System Focal Length | 430mm |
| Baseline Stability | Drift ≤0.0005Abs, noise ≤0.0005Abs(Steady 60min)
Drift ≤0.001Abs, noise ≤0.001Abs(Dynamic 30min) |
| Resolution | Spectral bandwidth deviation ≤0.02nm
Manganese double line valley to peak energy ratio ≤25% |
| Characteristic Concentration | Flame method for Cu: ≤0.03μg/mL/1% |
| Detection Limit | Flame method for Cu: ≤0.002μg/mL |
| Preciseness | Flame method for Cu: ≤0.25% |
| Background Correction Ability | Zeeman correction: ≥1.8Abs, background ≥150 times |
| Diffraction Grating | Plane diffraction grating(1800 grooves/mm, blazed at 250nm) |
| Lamp Stand | 8(Support simultaneous preheating of 1~4 lights) |
| Standard Accessory | Element lamp(Cu*1, Hg*1), software working station |
| Optional Accessory | Wide slit combustion head, adjustable nebulizer, green energy-saving accessories, audit trailing software, oil-free air compressor, computer, printer, recirculating chiller, flame autosampler |
| Power Supply | AC220V, 50Hz |
| External Size(W*D*H) | 1010*620*630mm |
| Package Size(W*D*H) | 1220*800*910mm |
| Net Weight | 115kg |
| Gross Weight | 190kg |
Flame System:
| Air-acetylene Burner | 100mm all-titanium burner |
| Atomization Chamber System | Integrally molded from polyphenylene sulfide |
| Magnetic Field Strength | ≥1.0T |
| Reading Mode | Foot pedal operation |
| Safety System | Emergency shutdown protection switch, automatic gas cut-off/shutdown/alarm in case of abnormal status, abnormal air pressure, ignition failure, gas leakage, water seal, abnormal flow rate, etc. |
Software Working Station:
| Smart Optimization | One-key operation for instrument optimization, supporting multi-task analysis |
| Repeat Measurement | 1~99 replicates with auto-calculation of mean/SD/RSD |
| Print/Export Reports | Word/Excel supported |
| Auto-Calibration | Curve fitting, re-slope&concentration calculation, incl. standard addition method |
