Double Beam Spectrophotometer
WLS-UV2800
DOUBLE BEAM UV-VIS Spectrophotometer with more accuracy and flexible requirements. The two detectors are used to measure sample and reference respectively and simultaneously for optimizing measurement accuracy. It has wide wavelength range satisfying requirement of various fields, such as biochemical research and industry, pharmaceuticals analysis and production, education, environment protection, food industry etc.
About the product
DOUBLE BEAM UV-VIS Spectrophotometer with more accuracy and flexible requirements. The two detectors are used to measure sample and reference respectively and simultaneously for optimizing measurement accuracy. It has wide wavelength range satisfying requirement of various fields, such as biochemical research and industry, pharmaceuticals analysis and production, education, environment protection, food industry etc.
WLS-UV2800 spectrophotometer are advanced double beam optical system. Double beam optical structure can inhibit the drift, Suitable for long time test. WLSUV2800 with 0.5/1/1.5/2/4/5nm Variable bandwidth, they are suitable for research, bio chemical andpharmaceutical lab applications.
Features & Benefits
- The two detectors are used to measure sample and reference respectivelyand simultaneously for optimizing measurement accuracy.
- Lamp Selection enables conserving the life of D2 & Tungsten lamps. Real time clock for date & time stamping of results.
- LIGHT PATH DESIGN: DOUBLE BEAM
- WLS-UV190 double light design can prevent circuit fluctuation and stray lightto ensure stability of the instrument.
- LONG PATH LIGHT DESIGN
- WLS-UV190 unique 520mm long light path design greatly improved resolution and the bandwidth can reach 0.5nm
- 16MM OPTICAL BASE
- WLS-UV190 series use a rigid 16mm diecast aluminum base as their opticalmount to ensure the stability and reliability
- 6 INCHES LCD DISPLAY
- WLS-UV190 series have a 6 inches LCD display to show results and curvesdirectly on the screen.
Product Specifications
| Model No. | WLS-UV2800 |
| Wavelength Range | 190-1100nm |
| Spectral Bandwidth | 0.5/1/1.5/2/4/5nm Variable |
| Optical System | Double Beam, Blazed Holographic Grating (1200 lines/mm) |
| Wavelength Accuracy | ±0.5nm |
| Wavelength Repeatability | ≤0.2nm |
| Wavelength Setting | Auto, Resolution 0.1nm |
| Photometric Range | 0~200%T, -4-4A,0--9999C |
| Photometric Accuracy | ±0.002 A (0~0.5A), ±0.003A (0.5~1A), ±0.3%T (0~100%T) |
| Photometric Repeatability | ≤0.001 A (0~0.5A), ≤0.002A (0.5~1A), ≤0.2%T (0~100%T) |
| Stray Light | ≤0.05%T(220/360nm) |
| Scan Speed | High, Medium, Low Max.2000nm/minute |
| Baseline Flatness | ±0.001A |
| Stability | ±0.001A/h (500nm, OA) |
| Noise | ≤0.2%T/3min (250/500nm,0%T); ≤0.3%T/3min (250/500nm,100%T) |
| Sample Compartment | 10mm Pathlength Cuvette |
| Detector | Silicon Photodiode |
| Lamps | Tungsten Lamp & Deuterium Lamp (Prealigned) |
| Display | Graphic LCD (320*240 Dots) |
| Keypad | 30-key Alphanumeric Membrance Keypad |
| Output Port | USB Port |
| Printer | Mini Serial Printer; PC Printer |
| PC Software | PC Scanning Software |
| Power Requirements | AC 90-250V, 50/60Hz |
| Dimension | 635x515x255mm |
| Weight | 26kg |
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