


Double Beam UV-Visible Spectrophotometer LB-11DBS offers a wavelength range of 190 to 1100 nm, ensuring precise and accurate spectral analysis of samples. It has double beam optical system and uses a 1200 lines/mm diffraction grating for high-resolution spectral separation. It employs an imported silicon photodiode detector for fast and accurate signal conversion. Our spectrophotometer features a 7-inch color LCD screen for intuitive control and clear display of results.
$ 12650
Download CatalogSpecifications
| Wavelength Range | 190 to 1100 nm |
| Spectral Bandwidth | 1 nm |
| Wavelength Accuracy | ±0.1 nm at 656.1 nm, ±0.3 nm (all) |
| Wavelength Repeatability | ≤ 0.1 nm |
| Photometric Range | 0 to 200%T, -0.3 to 3A, 0 to 9999C |
| Photometric Accuracy | 0.2% T (0 to 100% T); ±0.002A (0 to 0.5A); ±0.004A (0.5 to 1A) |
| Photometric Repeatability | ≤ 0.15% T (0 to 100% T); 0.001A (0 to 0.5A); 0.002A (0.5 to 1A) |
| Optical system | Single Beam, Grating 1200 lines/mm |
| Stray Light | ≤0.03% T at 220 nm, 360 nm |
| Stability | ±0.0005 A/h at 500 nm |
| Baseline Flatness | ±0.001 A |
| Work Modes | T, A, C, E |
| Scanning Speed | High, Medium, Low (Maximum 3000 nm/min) |
| Display | 7-inch Colorscreen |
| Light Source | Deuterium & Tungsten Lamp |
| Detector | Imported Silicon Photodiode |
| Cuvette Holder | 10 mm manual 4-cell holder |
| Communication Interfaces | USB drive, USB host, RS232 |
| Noise level | 0.0005 A at 500 nm |
| Power Supply | AC 110-220 V, 50/60 Hz |
| Product Dimension | 590 × 470 × 250 mm |
| Packaging Dimension | 810× 660 × 390 mm |
| Net Weight | 20 kg |
| Gross Weight | 27 kg |
Features
Standard Accessories
10mm Glass Cuvette × 4 pcs
10mm Quartz Cuvette × 2 pcs
Power cord
PC software
Optional Accessories
5 mm glass cuvettes × 4 pcs/box
20 mm glass cuvettes × 2 pcs/box
30 mm glass cuvettes × 2 pcs/box
50 mm glass cuvettes × 2 pcs/box
100 mm glass cuvettes × 2 pcs/box
5 mm quartz cuvettes × 2 pcs/box
20 mm quartz cuvettes × 2 pcs/box
30 mm quartz cuvettes × 2 pcs/box
50 mm quartz cuvettes × 2 pcs/box
100 mm quartz cuvette × 1 pcs/box
0.35/0.7/1.0/1.4/1.7 ml Quartz micro-cuvettes × 2 pcs/box
50/100/200 µl Quartz micro-cuvettes × 2 pcs/box
0.35/0.7/1.0/1.4/1.7 ml Glass micro-cuvettes × 2 pcs/box
50/100/200 µl Glass micro-cuvettes × 2 pcs/box
10 mm Manual 4-Cell Holder
50 mm Manual 4-Cell Holder
100 mm Manual 4-Cell Holder
10 mm Single Hole Cell Holder
50 mm Single-Hole Long-Path Cell Holder
100 mm Single-Hole Long-Path Cell Holder
Auto 4-Cell/5-Cell/8-Cell Holder
Film Holder
Tube Rack
Adjustable XY Micro Holder
Peltier/Sipper System
Integrating Sphere
1000 Tungsten Lamp
1200/1600/1700/1800/1900/N/K/X/T Tungsten Lamp
1000/1200 Deuterium Lamp
1600/1700/1800/1900/N/K/X/T Deuterium Lamp
Xenon Lamp
Thermal Printer
Built-In Thermal Printer
1000/1200 PC Software
1600/1700/1800/1900/N/K/X/T/M PC Software
1600/1700/1800/1900/N/K/X/T/M 21-CFR Software
Solution Standards:
500 ml Chloride Standard Solution (1000 mg/L concentration)
500 ml Silica Standard Solution
500 ml Iron Standard Solution
500 ml Sulphate Standard Solution (Sulfuric Acid-based)
Applications
Double Beam UV-Visible Spectrophotometer LB-11DBS is used for photometric, quantitative, kinetic studies, spectrum scanning, and DNA/protein testing of samples. It is widely used in research laboratories, medical diagnostics, environmental analysis, and food quality control.
Frequently asked questions For Double Beam UV-Visible Spectrophotometer
1. What types of samples can the Labotronics LB-11DBS spectrophotometer analyze?
Labotronics LB-11DBS can analyze liquids, solutions, biological samples like DNA and proteins, and materials used in environmental, food, and pharmaceutical testing.
2. Can the LB-11DBS perform different testing methods?
Yes, it supports photometric, quantitative, kinetic, and spectrum scanning modes, making it ideal for various analytical applications in laboratories.
3. Why does the LB-11DBS use both Deuterium and Tungsten lamps?
Labotronics' LB-11DBS combines Deuterium and Tungsten lamps to cover a broad wavelength range from 190 to 1100 nm, ensuring accurate analysis across ultraviolet and visible light spectra.
4. How do I maintain accurate wavelength calibration on the LB-11DBS?
Our LB-11DBS delivers precise wavelength accuracy and repeatability, and regular calibration with standard solutions helps maintain consistent and reliable results.
Still have questions?
If you cannot find answer to your question in our FAQ, you can always
contact us. We will answer shortly!
| Optical system | Double beam |
| Wavelength range | 190 nm ~ 1100 nm |
| Spectral bandwidth | 0.5 nm, 1 nm, 2 nm, 5 nm |
| Stray light | ≤ 0.04 T at 360 nm; 220 nm |
| Wavelength accuracy | ± 0.3 nm |
| Optical system | Double beam |
| Wavelength range | 190 nm ~ 1100 nm |
| Spectral bandwidth | 1 nm |
| Wavelength accuracy | ± 0.1 nm (D2 656.1 nm), ± 0.3 nm (full wavelength range) |
| Wavelength repeatability | 0.1 nm |
| Wavelength range | 190 to 1100 nm |
| Spectral bandwidth | 0.5 nm, 1 nm, 2 nm, 4 nm, and 5 nm |
| Focal length | 200 mm |
| Optical system | Double beam, Czerny-Turner monochromator, 1600 lines/mm grating |
| Wavelength accuracy | ±0.3 nm |
| Optical System | Double Beam |
| Bandwidth | 1 nm |
| Cell Holder | 2-position; 1 cm cell holder |
| Grating | Holographic grating; 1200 lines/mm |
| Wavelength Range | 190 to 1100 nm |
| Optical system | Double beam |
| Wavelength range | 190 nm ~ 1100 nm |
| Spectral bandwidth | 1.8 nm |
| Stray light | ≤ 0.04 T at 360 nm; 220 nm |
| Wavelength accuracy | ± 0.3 nm |
| Optical system | Double beam |
| Wavelength range | 190 nm ~ 1100 nm |
| Spectral bandwidth | 2 nm |
| Wavelength accuracy | ± 0.1 nm |
| Wavelength repeatability | 0.1 nm |
Address: Labotronics Scientific. 1007 N Orange St.,
Wilmington, DE 19801, USA
Mail: info@labotronics.com
WhatsApp: +1 579 401 0534
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