Double Beam UV-Vis Spectrophotometer US-B42
The Double Beam UV/Vis Spectrophotometer US-B42 offers an adjustable spectral bandwidth ranging from 0.5nm to 6nm, adjustable in 0.1nm increments. It is equipped with a dual-beam system that enables simultaneous measurement of the sample and reference beams. The C-T monochromator optical system and advanced electronic system ensure ultra-low stray light for precise measurements. Additionally, it features online software with a range of functions including wavelength scanning, time scanning, kinetic testing, quantitative analysis, and more.
| Wavelength Range | 190nm to 1100nm |
| Wavelength Accuracy | ± 0.3nm |
| Wavelength Repeatability | ≤ 0.1nm |
| Spectral Bandwidth | 0.5 to 6.0nm |
| Optical System | Optical double beam system |
| Monochromator system | Czerny-Turner monochromator |
| Grating | 1200 lines / mm high-quality holographic grating |
| Photometric Range | -0.00~200.0(%T), -4.0~4.0(A) |
| Photometric Accuracy | ±0.002Abs(0~0.5Abs) ± 0.004Abs(0.5~1.0Abs) ±0.3%T(0~100%T) |
| Photometric Repeatability | ≤ 0.001Abs(0~0.5Abs) ≤ 0.002Abs(0.5~1.0Abs) ≤0.1%T(0~100%T) |
| Stray Light | ≤ 0.03% (220nm, NaI;360nm, NaNO2) |
| Light source | deuterium lamp and long-life halogen tungsten lamp |
| Scan Speed | High/medium/low /very low |
| Wavelength scan interval | 0.05/0.1/0.2/0.5/1/2 nm |
| Noise | ≤0.1%T(100%T), ≤0.05%T(0%T), ≤±0.0005A/h (500nm,0Abs,2nm bandwidth) |
| Baseline flatness | ± 0.0008A |
| Baseline noise | ± 0.1%T |
| Baseline stability | ≤0.0005Abs/h |
| Modes | T/A/Energy |
| Display | 7-inch large-screen color touch LCD screen |
| Interface | USB-A/USB-B |
| Detector | Photocell |
| Power Supply | AC90V to 250V, 50H/ 60Hz |
| Dimension | 600 × 470 × 220mm |
| Weight | 18 Kg |
- Durable deuterium lamp for extended lifespan
- Real-time digital proportional feedback signal processing
- Wavelength scanning mechanical system
- Incorporates built-in spectral characteristic wavelengths
- Automatic position finding for light source switching mirror
- In-line design featuring deuterium tungsten lamp
- Large 7-inch color touch LCD screen
- USB connectivity for seamless computer integration
The Double Beam UV-Vis Spectrophotometer finds extensive use in various fields for photometric measurement, spectrum scanning, quantitative determination, dynamic measurements, 3D map measurements, multi-wavelength testing, and DNA/Protein concentration measurements. Its applications span across factories, schools, metallurgy, agriculture, food industry, biochemistry, scientific research institutes, and more.
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