The UV1901/UV1901PCS Series Double Beam UV-Visible Spectrophotometer is a high-parameter professional instrument.
Instrument Functions:
- Photometric Measurement: Measures transmittance and absorbance at 1 to 6 wavelengths simultaneously.
- Spectral Measurement: Performs spectrum scanning of transmittance, absorbance, and energy within the wavelength range, with various data processing functions such as peak-valley detection, derivative calculations, and spectrum operations.
- Quantitative Measurement: Supports single-wavelength, dual-wavelength, triple-wavelength, and multi-wavelength determination. Provides 1 to 9-point working curve regression (1st to 4th order).
- Kinetics Measurement: Conducts time-based transmittance and absorbance scans at any selected wavelength with multiple data processing functions.
- Data Output: Stores and retrieves data and parameter files. Measurement results are output in standard universal data file formats.
Key Features:
- Newly designed high-quality optical system with a high-performance holographic blazed grating ensures low stray light.
- Double-beam photometric system with an advanced electronic control circuit provides high stability and ultra-low noise.
- Fully automated control system with an advanced design concept ensures high reliability and stability.
- Detachable sample compartment allows easy replacement of different accessories to meet various analysis needs.
- Spacious open-type light source chamber for easy lamp replacement.
- Critical components imported to ensure high reliability and performance.
- Windows-based software with both English and Chinese language support, offering a wide range of analytical functions.
- Automatic 8-cell holder design for enhanced functionality.
Technical Specifications:
| Parameter | UV1901 | UV1901PCS |
|---|---|---|
| Operation Mode | Standalone operation or PC control with software, capable of independent scanning | |
| Wavelength Range | 190 – 1100 nm | |
| Spectral Bandwidth | 1 nm | Adjustable: 0.5/1.0/2.0/3.0/5.0 nm |
| Optical System | Double-beam, CT-type optical path; 1200 lines/mm laser holographic diffraction grating | |
| Wavelength Accuracy | ±0.1 nm (D₂ 656.1 nm), ±0.3 nm (full wavelength range) | |
| Wavelength Repeatability | ≤ 0.1 nm | |
| Working Modes | T, A, C, E | |
| Photometric Range | -3 to 4A; 0-200%T; -9999 to 9999C | |
| Photometric Accuracy | ±0.002A (0-0.5A), ±0.004A (0.5-1A), ±0.2%T (0-100%T) | |
| Photometric Repeatability | ±0.001A (0-0.5A), ±0.002A (0.5-1A), ±0.15%T (0-100%T) | |
| Stray Light | ≤ 0.03%T | |
| Baseline Flatness | ±0.0001A | |
| Stability | ±0.0003A (at 500 nm) | |
| Photometric Noise | ±0.0003A | |
| Data Output | 320×240 graphical LCD display | |
| Optional Output | USB 2.0 printer and/or USB flash drive data storage, PC software connection via USB | |
| Light Source | Imported long-life tungsten and deuterium lamps | |
| Dimensions (mm) | 670 × 560 × 260 | |
| Weight | 24 kg | 26 kg |
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