Model :L7
The AELAB L7 Double Beam UV-VIS Spectrophotometer offers high precision with a double beam optical system and holographic gratings. It features an 8-inch touchscreen and advanced functions like full-spectrum scanning, linear regression, direct concentration reading, kinetics, and multi-wavelength measurement, making it ideal for diverse lab applications.
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L7 double beam UV-VIS spectrophotometers adopt double beam optical system, and blazed holographic gratings.
They have outstanding test precision and very competitive prices. 8-inch color touch-screen, cutting-edge user interface, powerful functions, and easy operation.
With powerful functions, the equipment shows great performance in qualitative and quantitative testing, such as:
Features:
| Model | L7 |
| Monochromator type | Czerny turner |
| Focal length | 160mm |
| Wavelength Range | 190-1100nm |
| Band Width | 1.8nm |
| Display | 8-inch color touch screen |
| Wavelength Accuracy | ±0.3nm |
| Wavelength Repeatability | ≤0.01nm |
| Photometric Display Range | 0.0-200 .0% T / -0.301-4.000 A / 0.000-9999 C |
| Photometric Accuracy | ±0.3% T(0-100%T) / ±0.002A(0-0.5A) / ±0.004A(0.5A-1A) |
| Photometric Repeatability | 0.15% T(0-100%T) / ±0.001A(0-0.5A) / ±0.002A(0.5A-1A) |
| Photometric Mode | T,A,C,E |
| Stray Light | ≤0.03% τ (220nm NaI, 360nm NaNO2) |
| Stability | 0.0005A/h@500nm |
| Detector | Import Silicon Photodiode |
| Scanning speed | Fast-medium-slow |
| Power Requirement | AC220V±22 50Hz±1Hz,200W |
| Dimensions(W*D*H) | 74*63*45cm&35kg |
| Baseline Flatness | ≤0.002A(200-1090nm) |
| Grating | 1200 lines/mm |
| Drifting | ≤0.0009 Abs/30min(250nm and 500nm after 2h warm up) |
| Noise | 100%(T)≤0.15%(T); 0%(T)≤0.1%(T) |
| Standard Accessory | Quartz Cuvette 10mm*2pcs; Power line; Fuse * 2pcs; Manual |
| Packaging size | 710mm*590mm*505mm 0.21m³ 36kg |
