Double Beam UV Visible Spectrophotometer NDUVS-401 has a slit width of 1 nm and utilizes an optical system based on holographic grating. It provides a wavelength range from 190 to 1100 nm for versatile analysis. This unit features a silicon photodiode detector to ensure high sensitivity and stable performance. It offers a large sample chamber to accommodate various sample types. Our spectrophotometer employs a xenon lamp as its light source for consistent illumination.
| Slit width | 1nm |
| Optical system | Holographic grating, 1200 lines/mm |
| Wavelength range | 190 to 1100 nm |
| Wavelength resolution | 0.1 nm |
| Wavelength accuracy | ±0.6 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 | 0.3%T (0 to 100%T), ±0.005A (0 to 0.5A), ±0.01A (0.5 to 1A) |
| Photometric repeatability | ≤0.2%T (0 to 100%T), 0.003A (0 to 0.5A), 0.005A (0.5 to 1A) |
| Stray light | ≤0.1%T at 220nm,360nm |
| Stability | ±0.002A/h at 500nm |
| Baseline flatness | ±0.002A (200 to 1000nm) |
| Noise | 0.002A at 500nm |
| Working mode | T, A, C, E |
| Wavelength setting | Automatic |
| Scanning speed | High, medium, and low (up to 1500 nm/min) |
| Detector | Solid silicon photodiode |
| Light source | Xenon lamp |
| Display | 7-inch TFT |
| Keyword control | Touch screen |
| 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 |
Double Beam UV Visible Spectrophotometer NDUVS-401 is used to accurately measure how substances absorb and transmit light for detailed analysis. It is commonly applied in research labs, pharmaceutical testing, environmental monitoring, and educational institutions.
Glass cuvettes (10mm)- 4pcs
Quartz cuvettes (10mm)- 2pcs
Power cable
2-position 1 cm cell holder
USB
