| Display | 7-inch Colour screen |
| Optical System | Double beam, grating 1200 lines/mm |
| Wavelength Range | 190 to 1100 nm |
| Spectral Bandwidth | 2 nm |
| Wavelength Accuracy | ± 0.1 nm 656.1 nm, ± 0.3 nm all |
| Wavelength Repeatability | <=0.1 nm |
| Photometric Accuracy | 0.2 % T (0 to 100 % T), ± 0.002 A (0 to 0.5 A), ± 0.004 A (0.5 to 1 A) |
| Photometric Repeatability | ≤0.15 % T (0 to 100 % T), 0.00 A (0 to 0.5 A), 0.002 A (0.5 to 1 A) |
| Photometric Range | 0 to 200 % T, 0.3 to 3 A, 0 to 999 C |
| Stray Light | <=0.03 % T, 220 nm, 360 nm |
| Stability | ± 0.0005 A/h 500 nm |
| Baseline Flatness | ± 0.001 A |
| Noise | 0.0005 A 500 nm |
| Work Mode | T, A, C, E |
| Scanning Speed | High, medium, low (Max. 3000 nm/min) |
| Wavelength Setting | Auto |
| Light Source | Deuterium and tungsten lamp |
| Detector | Imported silicon photodiode |
| Cuvette Holder | 10 mm Single-hole cell holder |
| Output | USB drive, USB host, RS232 |
| Power | AC 110 to 220 V 50 to 60 Hz |
| Dimensions (L×B×H) | 810×660×390 mm |
| Gross Weight | 27 kg |
Our Double Beam Spectrophotometer ADDS-520 is used in clinical diagnostics, biotechnology, and agricultural research for accurate detection and quantification of various substances.
Accessory | Quantity |
10 mm glass cuvette | 4 Pc |
10 mm quartz cuvette (UV) | 2 Pc |
Power cord | 1 Pc |
User's Manual | 1 Pc |
PC software | 1 Pc |
1. What is the main advantage of using the Double Beam Spectrophotometer ADDS-520?
The primary advantage of the Double Beam Spectrophotometer ADDS-520 is its double beam design, which allows simultaneous measurement of the sample and reference. This greatly reduces errors caused by fluctuations in the light source. It ensures higher stability and better accuracy in absorbance readings. The system continuously compensates for drift or noise. This makes it ideal for precise quantitative analysis.
2. What is the wavelength range of the Double Beam Spectrophotometer ADDS-520, and why is it important?
The Double Beam Spectrophotometer ADDS-520 covers a wavelength range of 190 to 1100 nm, enabling analysis in the UV, visible, and near-infrared regions. This wide range is suitable for detecting a broad spectrum of compounds. It supports applications in biochemistry, environmental testing, pharmaceuticals, and more. Users can select wavelengths accurately for specific analytes. It enhances flexibility in various lab applications.
3. How does the Double Beam Spectrophotometer ADDS-520 ensure accuracy and repeatability?
It uses a high-resolution monochromator and silicon photodiode detectors for precise wavelength selection and light detection. The automatic wavelength calibration enhances measurement accuracy over time. It minimizes human error and reduces manual adjustments. The system's robust optics maintain consistent performance across repeated runs. This ensures reliable and repeatable data output.
4. What types of samples can be analyzed with the Double Beam Spectrophotometer ADDS-520?
The Double Beam Spectrophotometer ADDS-520 is suitable for both liquid and transparent solid samples. It is widely used for DNA/RNA quantification, chemical analysis, and colorimetric assays. The instrument can analyze samples in cuvettes of various path lengths. It supports both absorbance and transmittance modes. Users can perform diverse tests in research, education, and quality control labs.
5. What makes the Double Beam Spectrophotometer ADDS-520 user-friendly?
The instrument features an intuitive software interface and a clear display screen. It allows easy data acquisition, storage, and export in various formats. The system supports automatic baseline correction and multiple wavelength measurements. Its design is suitable for both beginners and experienced users. This makes laboratory workflows smoother and more efficient.
| Optical System | Double beam, grating 1200 lines/mm |
| Wavelength Range | 190 to 1100 nm |
| Spectral Bandwidth | 0.1/0.2/0.5/1/ 2/4/5 nm |
| Display | 7-inch Colour Screen |
| Optical System | Double beam, grating 1200 lines/mm |
| Wavelength Range | 190 to 1100 nm |
| Optical System | Double beam, grating 1200 lines/mm |
| Wavelength Range | 190 to 1100 nm |
| Spectral Bandwidth | 0.5/1/2/4/5 nm |
| Optical System | Double beam, grating 1200 lines/mm |
| Wavelength Range | 190 to 1100 nm |
| Spectral Bandwidth | 0.5/1/2/4/5 nm |
| Wavelength Range: | 325 to 1050 nm |
| Wavelength Accuracy: | ± 2 nm |
| Wavelength Reproducibility: | 1 nm |
| Wavelength Range: | 320 to 1050 nm |
| Wavelength Accuracy: | ± 2 nm |
| Wavelength Reproducibility: | 1 nm |
| Wavelength Range: | 195 to 1000 nm |
| Wavelength Accuracy: | ± 2 nm |
| Transmittance Range: | 0 to 199.9 |
| Wavelength Range: | 340 to 1000 nm |
| Wavelength Accuracy: | ± 3 nm |
| Transmittance Range: | 0 to 199.9 |
| Wavelength Range: | 325 to 1000 nm |
| Wavelength Accuracy: | ± 2 nm |
| Transmittance Range: | 0 to 199.9 |
| Optical System: | Single beam |
| Monochromator: | C-T Monochromator, blazed holographic grating 1200 lines/nm |
| Wavelength Range: | 190 to 1100 nm |
| Optical System: | Single Beam, Grating 1200 lines/mm |
| Wavelength Range: | 190 to 1100 nm |
| Spectral Bandwidth: | 0.5/1/2/4/5nm |
| Sample Volume: | 0.5 to 2.0 μL |
| Nucleic Acid Detection Range: | 2 to 15000 ng/μL (dsDNA) <br/> 1.32 to 9900 ng/μL (ss DNA) <br/> 1.6 to12000ng/μL (RNA) |
| Protein Detection Range: | 0.04 to 750 mg/mL (A280) <br/> 0.06 to 1119 mg/mL (BSA) <br/> 0.03 to 547 mg/mL (IgG) <br/> 0.015 to 284 mg/mL (lysozyme) |
| Optical System: | Single beam, grating 1200 lines/mm |
| Wavelength Range: | 190 to 1100 nm |
| Spectral Bandwidth: | 1 nm |
| Optical System: | Single Beam, Grating 1200 lines/mm |
| Wavelength Range: | 190 to 1100 nm |
| Spectral Bandwidth: | 2 nm |
| Optical System: | Single beam |
| Monochromator: | C-T Monochromator, blazed holographic grating 1200 lines/nm |
| Wavelength Range: | 320 to 1100 nm |
| Sample Volume: | 0.5μl to 2μl (recommended to use 2μl) |
| Nucleic Acid Detection Range: | 2 to 37500ng /μL (dsDNA) <br/> 1.32 to 24750 ng/μL (ss DNA) <br/> 1.6 to 30000ng/μL (RNA) |
| Protein Detection Range: | 0.04 to 750mg/mL (A280) <br/> 0.06 to 1119mg/mL (BSA) <br/> 0.03 to 547mg/mL (IgG) <br/> 0.015 to 284mg/mL (lysozyme) |
| Optical System: | Single beam |
| Monochromator: | C-T Monochromator, blazed holographic grating 1200 lines/nm |
| Wavelength Range: | 320 to 1100 nm |
| Optical System: | Single beam, grating 1200 lines/mm |
| Wavelength Range: | 190 to 1100 nm |
| Spectral Bandwidth: | 0.5/1/2/4/5nm |
| Optical System: | Single beam, grating 1200 lines/mm |
| Wavelength Range: | 190 to 1100 nm |
| Spectral Bandwidth: | 0.1/0.2/0.5/1/ 2/4/5 nm |
| Optical System: | Single beam, grating 1200 lines/mm |
| Wavelength Range: | 190 to 1100 nm |
| Spectral Bandwidth: | 2 nm |
| Optical System: | Single beam, grating 1200 lines/mm |
| Wavelength Range: | 190 to 1100 nm |
| Spectral Bandwidth: | 1 nm |
| Optical System: | Single beam, grating 1200 lines/mm |
| Wavelength Range: | 190 to 1100 nm |
| Spectral Bandwidth: | 0.5/1/2/4/5 nm |
| Optical System: | Single beam, grating 1200 lines/mm |
| Wavelength Range: | 190 to 1100 nm |
| Spectral Bandwidth: | 1 nm |
| Optical System: | Single beam, grating 1200 lines/mm |
| Wavelength Range: | 190 to 1100 nm |
| Spectral Bandwidth: | 2 nm |
| Optical System: | Single beam |
| Monochromator: | C-T Monochromator, blazed holographic grating 1200 lines/nm |
| Wavelength Range: | 320 to 1020 nm |
| Optical System: | Single beam, grating 1200 lines/mm |
| Wavelength Range: | 320 to 1100 nm |
| Spectral Bandwidth: | 2 nm |
| Optical System: | Single beam, grating 1200 lines/mm |
| Wavelength Range: | 190 to 1100 nm |
| Spectral Bandwidth: | 2 nm |
| Optical System: | Single Beam, Grating 1200 lines/mm |
| Wavelength Range: | 190 to 1100 nm |
| Spectral Bandwidth: | 1 nm |
| Optical System: | Single Beam, Grating 1200 lines/mm |
| Wavelength Range: | 190 to 1100 nm |
| Spectral Bandwidth: | 2 nm |
| Optical System: | Single beam |
| Monochromator: | C-T Monochromator, blazed holographic grating 1200 lines/nm |
| Wavelength Range: | 190 to 1020 nm |
| Optical System: | Single Beam, Grating 1200 lines/mm |
| Wavelength Range: | 190 to 1100 nm |
| Spectral Bandwidth: | 0.1/0.2/0.5/1/2/4 |
| Optical System: | Single beam |
| Monochromator: | C-T Monochromator, blazed holographic grating 1200 lines/nm |
| Wavelength Range: | 190 to 1020 nm |
| Optical System: | Single beam, grating 1200 lines/mm |
| Wavelength Range: | 190 to 1100 nm |
| Spectral Bandwidth: | 2 nm |
| Optical System: | Single beam, grating 1200 lines/mm |
| Wavelength Range: | 190 to 1100 nm |
| Spectral Bandwidth: | 1 nm |
| Optical System: | Single beam, grating 1200 lines/mm |
| Wavelength Range: | 190 to 1100 nm |
| Spectral Bandwidth: | 2 nm |
| Optical System: | Single Beam, Grating 1200 lines/mm |
| Wavelength Range: | 190 to 1100 nm |
| Spectral Bandwidth: | 1 nm |
| Optical System: | Split Beam, Grating 1200 lines/mm |
| Wavelength Range: | 190 to 1100 nm |
| Spectral Bandwidth: | 2 nm |