Double Beam UV-Vis Spectrophotometer US-B23
The Double Beam UV-Vis Spectrophotometer US-B23 features a broad wavelength range spanning from 190 to 900 nm, ensuring compatibility across diverse fields of study. Its fully automatic design streamlines measurement procedures for user convenience. The spectrophotometer offers versatile measurement methods, including wavelength scanning, time scanning, multi-wavelength measurement, and derivative measurement options, all conveniently displayed on a 6-inch screen. Additionally, various sample holders are available to accommodate user preferences and experimental requirements.
| Wavelength Range | 190 to 900nm |
| Spectral Bandwidth | 4nm, 2nm, 1nm, 0.5nm, 0.2nm, 0.1nm |
| Optical System | Double beam |
| Wavelength Accuracy | ±0.1nm |
| Wavelength Reproducibility | ≤ 0.05nm |
| Ambient Temperature | 10℃ to 30℃ |
| Indoor Relative Humidity | ≤ 85% |
| Transmittance Accuracy: | ±0.2% τ（0-100%τ）±0.002A(0～0.5A) ±0.003A(0.5A～1A) |
| Transmittance Repeatability | 0.1% τ（0-100%τ）±0.001A(0～0.5A) ±0.0015A(0.5A～1A) |
| Stray Light | ≤0.02% τ (220nm NaI，340nm NaNO2) |
| Stability | 0.0005A/h（500nm After preheating） |
| Noise | ±0.0002A (500nm After preheating) |
| Baseline Flatness | ±0.001A |
| Metering Method | Transmittance, Absorbance, Concentration, Energy |
| Wavelength Adjustment | Automatic Adjustment |
| Photometric Display Range | -4 to 4A |
| Display Mode | Six-inch high-brightness LCD Screen |
| Detector | Photomultiplier Tubes |
| Light Source | Imported Deuterium Lamp, Imported Tungsten Lamp |
| Power Consumption | 120W |
| Power Supply | AC 220V/50Hz 110V/60Hz |
| Dimensions (W×D×H) | 560×450×230mm |
| Weight | 28Kg |
- Work modes include T, A, C, E, and scanning speed range offers Hi, Med, Low (Max. 3000 nm/min)
- Designed with a double beam 1200 lines/mm optical system
- In-house massive memory capable of storing up to 1024 M for test data & working curves
- Features a 10.1-inch high-resolution TFT colored capacitive touch screen and Windows Graphic interface
- Large sample chamber accommodates 5 to 100 mm cuvettes of all kinds
- Equipped with powerful functions including Photometric measurement, Quantitative measurement, Kinetics, Spectrum scan, DNA/Protein test, Multi-wavelength test, etc.
- USB port facilitates data transfer, easily exportable to Excel for further processing
- Socket type deuterium and tungsten lamp enables lamp switching without optics debugging and easy replacement
It finds widespread application in research facilities, laboratories, educational institutions, pharmaceuticals, hospitals, and medical fields. Its primary uses include diagnosing diseases and detecting impurities in organic compounds.
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