Double Beam UV Visible Spectrophotometer NDUVS-301 covers a wavelength range from 190 to 1100 nm for broad-spectrum analysis. It offers a wavelength resolution of 0.1 nm to deliver precise results. This unit features a slit width of 2 nm to enhance spectral accuracy. It uses a holographic grating with 1200 lines/ mm for efficient light dispersion. Our spectrophotometer operates with tungsten-halogen and deuterium lamps that provide up to 2000 hours of stable illumination.
| Slit width |
2 nm |
| Optical system |
Holographic grating, 1200 lines/mm |
| Wavelength range |
190 to 1100 nm |
| Wavelength resolution |
0.1 nm |
| Wavelength accuracy |
±0.3 nm |
| Wavelength repeatability |
≤0.2 nm |
| Photometric range |
0 to 200%T, -0.3 to 3.0A, 0 to 9999C (0 to 9999F) |
| 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) |
| Stray light |
≤0.03%T at 220nm,360nm |
| Stability |
±0.002A/h at 500nm |
| Baseline flatness |
±0.002A (200 to 1000nm) |
| Noise |
0.0003A at 500nm |
| Working mode |
T, A, C, E |
| Wavelength setting |
Automatic |
| Scanning speed |
High, medium, and low (up to 3000 nm) |
| Detector |
Solid silicon photodiode |
| Light source |
Tungsten halogen/deuterium lamp |
| Display |
7-inch LCD screen |
| Keyword control |
Silicone button |
| Data output |
RS232, USB(A), USB(B) |
| Processor |
Cortex_M3, 120Mhz |
| Power supply |
AC 110 to 220V, 50 to 60Hz |
| Packaging dimension |
790×660×370 mm |
| Weight |
28 kg |
FAQ for Double Beam UV Visible Spectrophotometer NDUVS-301
1: How does the Double Beam UV Visible Spectrophotometer NDUVS-301 reduce measurement errors?
The Double Beam UV Visible Spectrophotometer NDUVS-301 maintains low stray light (less than or equal to 0.03%T at 220 nm, 360 nm) and provides high photometric accuracy, reducing interference and ensuring consistent, reliable results. This enhances confidence in every test reading.
2: How easy is the Double Beam UV Visible Spectrophotometer NDUVS-301 to replace the light source?
The Double Beam UV Visible Spectrophotometer NDUVS-301 uses socket-type tungsten-halogen and deuterium lamps, making lamp replacement quick and tool-free. This reduces maintenance time and ensures continuous operation in demanding lab environments.
3: What kind of user interface does the Double Beam UV Visible Spectrophotometer NDUVS-301 offer?
The Double Beam UV Visible Spectrophotometer NDUVS-301 features a user-friendly interface with soft silicone buttons and a responsive 7-inch color LCD screen. This allows easy navigation through test functions and settings, even without prior training.