1920 UV-Vis Spectrophotometer Double Beam Spectrophotometer
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Product Details
| Customization: | Available |
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| After-sales Service: | 1y |
| Application: | Laboratory Apparatus |
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Basic Info.
- Model NO.
- UV-Vis Spectrophotometer
- Warranty
- > 1Year
- Detection Method
- Spectrophotometer
- Advantage
- High Sensitive
- Principle
- New Spectrometer
- Wavelengths
- Infrared Spectrometer
- Dispersive Element
- Grating Spectrometer
- Light Number
- Monochromator
- Certification
- RoHS, ISO9001, CE
- Customized
- Customized
- Transport Package
- Inner Packing----Special Protective Packing for Op
- Specification
- 450*500*650
- Trademark
- HQ
- Origin
- China
- Production Capacity
- 50000
Product Description
Double Beam UV-Vis Spectrophotometer UV1920
The UV1920 dual-beam UV-Visible spectrophotometer is a high-performance product The product has the characteristics of high resolution, high stability, flexibility and ease of use, and can meet various needs of daily analysis in various laboratories and research and analysis in scientific research institutes.
Specification:
Main Features:

* Spectral bandwidth: The spectral bandwidth of the instrument is 1nm / 2nm, which ensures excellent spectral resolution and accuracy required for analysis.
* Ultra-low stray light: excellent C-T monochromator optical system, advanced electronic system, to ensure ultra-low stray light level better than 0.03%, to meet the user's measurement needs of high absorbance samples.
* High-quality devices: The core devices are made of high-quality imported parts to ensure the stability and longevity of the instrument. For example, the core light source device is derived from the long-life deuterium lamp of Hamamatsu in Japan, which guarantees a working life of more than 2000 hours, greatly reducing the maintenance frequency and cost of daily replacement of the light source of the instrument.
* Long-term stability and reliability: The design of the optical dual-beam optical system, coupled with real-time digital proportional feedback signal processing, effectively offsets the signal drift of light sources and other devices, ensuring the long-term stability of the instrument baseline.
* High wavelength accuracy: The high-level wavelength scanning mechanical system ensures the accuracy of wavelengths better than 0.3nm and the repeatability of wavelengths better than 0.1nm. The instrument uses the built-in spectral characteristic wavelengths to automatically perform wavelength detection and correction to ensure long-term wavelength accuracy stability.






Specification:
| Model | UV1910 / UV1920 |
| Optical system | Optical double beam system |
| Monochromator system | Czerny-Turner monochromator |
| Grating | 1200 lines / mm high-quality holographic grating |
| Wavelength range | 190nm~1100nm |
| Spectral bandwidth | 1nm(UV1910) / 2nm(UV1920) |
| Wavelength accuracy | ±0.3nm |
| Wavelength reproducibility | ≤0.1nm |
| Photometric accuracy | ±0.002Abs(0~0.5Abs),±0.004Abs(0.5~1.0Abs),±0.3%T(0~100%T) |
| Photometric reproducibility | ≤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) |
| Noise | ≤0.1%T(100%T),≤0.05%T(0%T) ,≤±0.0005A/h(500nm,0Abs,2nm bandwidth) |
| Baseline flatness | ±0.0008A |
Main Features:

* Spectral bandwidth: The spectral bandwidth of the instrument is 1nm / 2nm, which ensures excellent spectral resolution and accuracy required for analysis.* Ultra-low stray light: excellent C-T monochromator optical system, advanced electronic system, to ensure ultra-low stray light level better than 0.03%, to meet the user's measurement needs of high absorbance samples.
* High-quality devices: The core devices are made of high-quality imported parts to ensure the stability and longevity of the instrument. For example, the core light source device is derived from the long-life deuterium lamp of Hamamatsu in Japan, which guarantees a working life of more than 2000 hours, greatly reducing the maintenance frequency and cost of daily replacement of the light source of the instrument.
* Long-term stability and reliability: The design of the optical dual-beam optical system, coupled with real-time digital proportional feedback signal processing, effectively offsets the signal drift of light sources and other devices, ensuring the long-term stability of the instrument baseline.
* High wavelength accuracy: The high-level wavelength scanning mechanical system ensures the accuracy of wavelengths better than 0.3nm and the repeatability of wavelengths better than 0.1nm. The instrument uses the built-in spectral characteristic wavelengths to automatically perform wavelength detection and correction to ensure long-term wavelength accuracy stability.






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