| Display | 7-inch Colour Screen |
| Optical System | Double Beam, Grating 1200 lines/mm |
| Wavelength Range | 190 to 1100 nm |
| Spectral Bandwidth | 1 nm |
| Wavelength Accuracy | ± 0.3 nm |
| Wavelength Repeatability | <=0.1nm |
| Photometric Accuracy | 0.2 % T (0 to 100 % T), ± 0.002A (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 0.5A), 0.002 A (0.5 to 1A) |
| Photometric Range | 0 to 200 % T, 0.3 to 3A, 0 to 999 C |
| Stray Light | <=0.03 % T, 220 nm, 360 nm |
| Stability | ± 0.0003A/h 500nm |
| Baseline Flatness | ± 0.001 A |
| Noise | 0.0005A 500 nm |
| Work Mode | T, A, C, E |
| Scanning Speed | High, medium, low (Max. 3000 nm/min) |
| Wavelength Setting | Auto |
| Light Source | Imported Xenon Lamp |
| Detector | Imported silicon photodiode |
| Cuvette Holder | 10 mm Single-hole cell holder |
| Output | USB drive, USB host, RS232 |
| Power | AC 110 to 220V 50 to 60Hz |
| Dimensions (L×B×H) | 810×660×390 mm |
| Gross Weight | 27 kg |
Our Double Beam Spectrophotometer ADDS-519 is used in petrochemicals, agriculture, and beverage industries for precise analysis of chemical composition.
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 maintenance does the Double Beam Spectrophotometer ADDS-519 require?
Regular maintenance includes keeping the optical path clean and ensuring the cuvettes are free of residue. The light source and detectors should be inspected periodically as per the manual. Software updates may also be necessary for optimal performance. Avoid placing the unit in dusty or humid environments. With proper care, the instrument can provide years of reliable service.
2. What kind of cuvettes are compatible with the Double Beam Spectrophotometer ADDS-519?
The Double Beam Spectrophotometer ADDS-519 typically supports standard 10 mm pathlength quartz or glass cuvettes. The sample holder is designed for easy cuvette insertion and removal. Some models may support multiple cuvette sizes or flow-through options. Quartz cuvettes are ideal for UV measurements, while glass is sufficient for visible light analysis. Always ensure cuvettes are clean to maintain accuracy.
3. Is the Double Beam Spectrophotometer ADDS-519 suitable for quantitative analysis?
Yes, the Double Beam Spectrophotometer ADDS-519 is designed for accurate quantitative measurements. It supports standard curve creation, multi-wavelength readings, and kinetic studies. The software enables users to input calibration data and calculate unknown concentrations easily. Its precision optics and stable baseline make it ideal for detecting small changes in absorbance. It is widely used in pharmaceutical and biochemical quantification.
4. What is the main advantage of using the Double Beam Spectrophotometer ADDS-519?
The primary advantage of the Double Beam Spectrophotometer ADDS-519 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.
5. What is the wavelength range of the Double Beam Spectrophotometer ADDS-519, and why is it important?
The Double Beam Spectrophotometer ADDS-519 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.
| 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 | 1 nm |
| Display | 7-inch Colour Screen |
| Optical System | Double beam, grating 1200 lines/mm |
| Wavelength Range | 190 to 1100 nm |
| Wavelength Range: | 320 to 1050 nm |
| Wavelength Accuracy: | ± 2 nm |
| Wavelength Reproducibility: | 1 nm |
| Wavelength Range: | 325 to 1050 nm |
| Wavelength Accuracy: | ± 2 nm |
| Wavelength Reproducibility: | 1 nm |
| 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 |
| Wavelength Range: | 195 to 1000 nm |
| Wavelength Accuracy: | ± 2 nm |
| Transmittance Range: | 0 to 199.9 |
| 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: | 1 nm |
| 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 |
| 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: | 1 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: | 0.5/1/2/4/5 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: | 2 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, 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: | 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: | 2 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, 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: | 190 to 1100 nm |
| Spectral Bandwidth: | 1 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 |
| 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 |
| 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: | 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: | Split Beam, Grating 1200 lines/mm |
| Wavelength Range: | 190 to 1100 nm |
| Spectral Bandwidth: | 2 nm |