NWSPEC
UV-Vis-NIR Spectrophotometer
UV-Vis-NIR Spectrophotometer
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Description
- Meticulously engineered optics, advanced electronics, and precision mechanics ensure ultra-low stray light and high-fidelity voltage digital sampling.
- Double-beam, dynamic feedback ratio recording photometry ensures exceptional baseline stability and enhanced measurement accuracy.
- Critical components (deuterium lamp, PMT) sourced from reputable international manufacturers guarantee instrument stability and extended lifespan
- High-quality two-stage holographic grating monochromator minimizes stray light and enhances spectroscopic analysis accuracy.
- Comprehensive Windows-based software provides intuitive instrument control, data acquisition, processing, and reporting.
- Optional integrating sphere expands capabilities for accurate diffuse reflectance and transmittance measurements.
- Socket-type lamps facilitate rapid replacement without optical realignment, simplifying maintenance and reducing downtime.
Application
Materials Science & Engineering:
Optical Coatings: Characterize the transmission, reflection, and absorption properties of optical coatings for quality control and performance optimization.
Energy-Efficient Materials: Analyze the spectral properties of energy-saving architectural glass and automotive glass to evaluate their solar transmittance, reflectance, and thermal insulation performance.
Solar Energy Materials: Evaluate the performance of solar energy collection materials and aerospace coatings by measuring their spectral reflectance, absorptance, and emittance.
Nanomaterials: Investigate the optical properties of nanomaterials, including nanoparticles, thin films, and composites, for applications in photonics, plasmonics, and sensing.
Display Technology:
LCD Display Panels: Characterize the optical performance of LCD display panels, including transmittance, reflectance, color, and contrast ratio, for quality control and optimization.
Optical Filters: Precise characterization of optical narrowband filters, bandpass filters, and other spectral filters for telecommunications, imaging, and scientific instrumentation.
Research & Development:
Optical Performance Platforms: Ideal for use in shared optical characterization facilities, supporting diverse research projects across materials science, physics, chemistry, and engineering.
Attachment
- 100mm integrating sphere
- 150mm integrating sphere
- 270mm integrating sphere
- 8° mirror reflection accessory
- Transmission variable accessory
- Universal Transmission accessories
Specification
| Items | Model Description | Model Description |
| Equipment Model | NW-UVN2800 | NW-UVN3600 |
| Grating System | holographic grating UV visible, near-infrared | two level holographic grating UV visible, near-infrared |
| Optical Wavelength Range | 190~2800nm | 190~3600nm |
| Detector | PM+PBS detector | PM+InGaAs+PBS detector |
| Wavelength Accuracy | UVS:±0.3nm NIR:±1.5nm | UVS:±0.1nm NIR:±0.5nm |
| Wavelength Repeatability | UVS:≤±0.1nm NIR:≤±0.35nm | UVS:≤±0.05nm NIR:≤±0.1nm |
| Stray | ≤0.0005% (220nm, Nal) ≤0.0005%(340nm, NaNO2) ≤0.008% (1420nm,H20) ≤0.01%(2365nm, CHCl3) |
≤0.0002% (220nm, Nal) ≤0.0001%(340nm, NaNO2) ≤0.001% (1420nm,H20) ≤0.01%(2365nm,CHCl3) |
| Photometric Range | -5.0~5.0Abs | -6.0~6.0Abs |
| Photometric Accuracy | ±0.002Abs (0-0.5A) ±0.004Abs (0.5-1A) | ±0.0018Abs (0-0.5A) ±0.003Abs (0.5-1A) |
| Photometric Repeatability | ±0.001Abs (0-0.5A) ±0.002Abs (0.5-1A) | ±0.0009Abs (0-0.5A) ±0.0018Abs (0.5-1A) |
| Photometric Baseline Straightness | / | ±0.005Abs (2800-3600nm) |
| ±0.002Abs (30-2800nm) | ±0.001Abs (30-2800nm) | |
| ±0.006Abs (190-300nm) | ±0.004Abs (190-300nm) | |
| Photometric Baseline Drift | 0.0004Abs/h (500nm,2H) | 0.0003Abs/h (500nm,2H) |
| Noise | ≤0.0008Abs (500nm) ≤0.0009Abs (900nm) ≤0.0009Abs (1600nm) |
≤0.0006Abs (500nm) ≤0.0009Abs (900nm) ≤0.0004Abs (1600nm) |
| Test Method | optical measurement method | |
| Light Source System | deuterium lamp, halogen tungsten lamp (50w) | |
| Light Source Conversion | automatic switching (can be set arbitrarily within the range of 250nm to 400nm-with a step of 0.05nm) | |
| Detector Conversion | automatic switching (can be set arbitrarily within the range of 300nm to 4500nm-with a step of 0.05nm) | |
| Automatic Spectral Bandwidth | UVS:0.1/0.2/0.5/1/2/3/5/8nm 8 gear conversion NIR:0.2/0.5/1/2/3/5/8/12/20/32nm 10 gear conversion | |
| Sampling Interval | 0.01~50nm(can be preset) | |
