NWSPEC
SR65 Scientific-Grade Spectrometer
SR65 Scientific-Grade Spectrometer
SR65 Deep-Cooled CCD Spectrometer
Application Order Guide
Scientific-grade 2-stage cooled CCD spectrometer with ultra-low noise. Operating temperature 40°C below ambient. Highest sensitivity for astronomy, fluorescence, Raman, and weak signal detection.
SR65 Key Advantages
2-Stage Cooling Deep cooling to 40°C below ambient. Maximum dark current suppression. Lowest noise in the series.
Ultra-Low Noise 2.2uV/e- sensitivity. 1200:1 SNR. Dynamic range: 8000:1. 6ms-30min integration.
Scientific Grade Back-thinned CCD. High quantum efficiency. 1024 pixels. 24×24μm pixel size.
Precision Optics F/4 Czerny-Turner. 100/110mm focal length. 70μm slit. 182×110×50mm, 1600g.
1
Select Application Type
Match your measurement need to the recommended system configuration
Fluorescence / Luminescence
Ultra-sensitive fluorescence detection for quantum dots, fluorophores, phosphors, and weak emitters.
Long integration times up to 30 minutes Applications: Quantum dots, OLED materials, biological markers Recommended: UV-Vis + Xenon + Fluorescence Cuvette + Filter Set + Advanced Software
Micro-Spectroscopy
Microscope-coupled spectral measurement with highest sensitivity for micro-sample and cell analysis.
Compatible with commercial microscopes Applications: Cell imaging, tissue analysis, micro-materials Recommended: UV-Vis + D2/W + Microscope Adapter + Beam Splitter + Advanced Software
Raman Spectroscopy
Highest sensitivity Raman detection for trace analysis, surface-enhanced Raman, and biological applications.
Deep cooling for weakest Raman signals Applications: SERS, pharma trace analysis, biological tissue Recommended: UV-Vis + Raman Laser + Raman Probe + Advanced Software
Life Science / Biology
Ultra-sensitive biological measurement for single-molecule detection, cell assays, and clinical diagnostics.
Single-molecule sensitivity potential Applications: DNA sequencing, protein kinetics, cell sorting Recommended: UV-Vis + Xenon + Flow Cell + Advanced Software
Scientific Research
Premier research platform for spectroscopic studies requiring the ultimate in sensitivity and noise performance.
Widest dynamic range: 8000:1 Applications: Photochemistry, materials science, physics Recommended: UV-Vis + D2/W + Cuvette Holder + Advanced Software
Environmental Detection
Trace pollutant detection at lowest concentrations for regulatory compliance and research.
Lowest detection limits in the series Applications: Ultra-trace water analysis, atmospheric research Recommended: UV-Vis + D2/W + Long Path Cell + Advanced Software
Material Composition
High-sensitivity spectral fingerprinting for advanced material characterization and research.
Resolves weakest spectral features Applications: Advanced polymers, nanomaterials, quantum structures Recommended: UV-NIR + Tungsten + Reflection Probe + Software Database
Laboratory Standard / Metrology
Ultimate precision reference instrument for national standards laboratories and highest-level calibration.
Best stability and repeatability in series Applications: National labs, primary standards, research-grade QC Recommended: UV-Vis + Standard Source + Integrating Sphere + Advanced Software
2
Select Spectrometer Core
Detector type and wavelength range
| Configuration | Specifications | Code | Best For |
|---|---|---|---|
| UV-Vis Deep-Cooled (200-850nm) | 1024-pixel back-thinned CCD. 2-stage cooling (40°C below ambient). Resolution ~0.3nm FWHM. Integration: 6ms-30min. SNR: 1200:1. Dynamic range: 8000:1. Sensitivity: 2.2uV/e-. | UVV | Fluorescence, Raman, life science, research |
| UV-Vis Extended Deep-Cooled (200-1100nm) | 1024-pixel back-thinned CCD with extended NIR. 2-stage cooling. Resolution ~0.5nm FWHM. Integration: 6ms-30min. Extended NIR for weak signals. | UVN | Full-range fluorescence, NIR research, environmental |
| High Resolution Deep-Cooled (UV-Vis) | 1024-pixel back-thinned CCD with enhanced resolution. ~0.03nm wavelength resolution. ~0.10nm optical resolution. 2-stage cooling. Maximum precision. | HRS | Precision research, fine spectral feature analysis |
Optical Platform Note All configurations use F/4 symmetric crossed Czerny-Turner optical path. Focal length options: 100mm or 110mm. Standard slit: 70μm (customizable). Fiber interface: SMA905, 0.22NA. Size: 182×110×50mm, 1600g. Power: 450mA @ 5V DC + 4A @ 5V DC for 2-stage cooling.
3
Select Light Source
Illumination matched to your wavelength range and application
| Source | Specifications | Code | Best For |
|---|---|---|---|
| Deuterium + Tungsten (D2/W) | Full UV-Vis-NIR coverage: 200-1100nm. Output stability: ±0.5%. Combined broad-spectrum output for absorption/transmission. | D2W | General spectroscopy, environmental, research |
| Xenon Source (Pulsed) | High-intensity UV-Vis pulsed output. Ideal for fluorescence excitation and time-resolved measurements. | XEN | Fluorescence, luminescence, biological research |
| Raman Laser (532/785/1064nm) | Single-frequency laser for Raman excitation. High stability, narrow linewidth. Multiple wavelength options. | RML | Raman spectroscopy, biological, pharmaceutical |
| Tungsten-Halogen (Vis-NIR) | Economical visible to NIR: 350-2500nm. High output in NIR region. Stable thermal output for reflectance. | THL | Reflectance, material analysis, NIR research |
4
Select Fiber & Sampling Accessories
Probes, optics, and interfaces for your sample type
Standard Fiber Bundle
General-purpose fiber optic cable for standard laboratory setups.
Core diameter: 400μm, 600μm, or 1000μm Length: 1m, 2m, or custom Connector: SMA905 Code: FIB
Microscope Adapter + Beam Splitter
Coupling optics for connecting to commercial microscopes with beam splitting for illumination and collection.
Compatible with standard microscope ports Beam splitter for dual-path operation Best for: Micro-spectroscopy, cell analysis Code: MSA
Flow Cell / Sample Flow-Through
Continuous flow cell for online liquid analysis and chromatography detection.
Pathlength: 2mm, 5mm, or 10mm Volume: Low-volume options available Best for: HPLC detection, bioreactor monitoring Code: FLC
Cuvette Holder
Standard cuvette holder for liquid absorption, fluorescence, and transmission measurements.
Pathlength: 10mm standard cuvette Interface: Fiber-coupled Best for: Liquid analysis, biochemical assays Code: CUV
Fluorescence Cuvette + Filter Set
Dedicated fluorescence measurement kit with excitation/emission filters and right-angle geometry.
Filter set: Excitation and emission bandpass Geometry: Right-angle for fluorescence Best for: Fluorescence, quantum yield, luminescence Code: FLF
Raman Probe
Specialized probe with integrated laser delivery and signal collection for Raman spectroscopy.
Filter: Laser rejection + signal bandpass Working distance: Adjustable Best for: Raman, pharmaceutical, biological Code: RMP
Reflection / Backscatter Probe
Y-type probe for diffuse reflectance and backscatter measurements on solid samples.
6-around-1 fiber configuration Optional focusing lens tip Best for: Materials, powders, coatings Code: RFP
Long Path Gas Cell
Extended pathlength gas cell for high-sensitivity absorption spectroscopy of trace gases.
Pathlength: 1m, 5m, 10m, or 20m (Herriott) Material: Stainless steel with quartz windows Best for: Environmental, atmospheric research Code: LGC
Integrating Sphere
Uniform light collection for total flux, diffuse reflectance, and standard calibration measurements.
Diameter: 38mm or 50mm Coating: PTFE (Spectralon equivalent) Best for: Calibration, reflectance, color Code: ISP
Touchscreen Controller
Integrated LCD touchscreen for standalone portable operation without PC.
Display: High-resolution color LCD Interface: Direct spectrometer control Best for: Field Raman, portable fluorescence Code: TSP
5
Select Software Package
Control and analysis software level
| Package | Features | Code | Best For |
|---|---|---|---|
| Basic Control | Real-time spectral display, data acquisition, basic math, export to CSV/TXT/SPC. Cooled CCD temperature monitoring and 2-stage cooling control. | BAS | Standard laboratory use, teaching |
| Advanced Analysis | Peak fitting, fluorescence quantum yield calculation. Raman database search. Material spectral library. Multi-exposure control for deep-cooled CCD. Report generation. | ADV | Fluorescence, Raman, life science, research |
| SDK / API | Full hardware control API with 2-stage cooling control. Cross-platform: C++, C#, Python, LabVIEW. Temperature control API. Example code included. OEM licensing. | SDK | System integrators, OEM partners, custom research |
Operating System Support Software compatible with Windows, Android, Linux, and Wince. Communication: USB 2.0. Extended 16-pin port with external trigger. Deep-cooled CCD requires 4A @ 5V DC cooling power.
6
Model Naming Reference
How to construct your complete order code
| Position | Component | Available Codes |
|---|---|---|
| Base | Platform | SR65 |
| 1 | Application Type | FLU / MIC / RAM / BIO / SCI / ENV / MAT / MET |
| 2 | Spectrometer | UVV / UVN / HRS |
| 3 | Light Source | D2W / XEN / RML / THL |
| 4 | Fiber / Accessory | FIB / MSA / FLC / CUV / FLF / RMP / RFP / LGC / ISP / TSP |
| 5 | Software | BAS / ADV / SDK |
EXAMPLE CONFIGURATION
SR65-FLU-UVV-XEN-FLF-ADV
Fluorescence detection — UV-Vis deep-cooled CCD — Xenon source — Fluorescence Cuvette + Filter Set — Advanced software with quantum yield
EXAMPLE CONFIGURATION
SR65-SCI-HRS-D2W-CUV-ADV
Scientific research — High-Resolution deep-cooled CCD — D2/W source — Cuvette Holder — Advanced software
Lead Time Standard configurations: 2 weeks from order confirmation. Deep-cooled CCD systems require additional thermal testing — confirm with sales when ordering.
Customization & OEM Services Special wavelength ranges, cooling configurations, mechanical integrations, and private labeling are available upon request.
Request a Quotation
Provide your configuration code or application requirements. Our team will confirm specifications, pricing, and lead time (typically 2 weeks) within 24 hours.
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Since 1993
30+ Years of Instrument Expertise
Reliable Manufacturer
Manufacturing & Services
Ph.D. Founded
Dr. Pingxin Wang, UT Austin
Advantages
Price · Service · Speed · Technical · Data
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In-Stock Orders Ship Same Day
Frequently Asked Questions
How can I contact you?
Feel free to call us T+86 189-6516-4839
or email sales@nwspec.com to:
• Place an order
• Ask for a quote
• Or if you have any other questions
You will always get a live person here at NWSPEC; never an automated system!
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Where can I find application notes?
If you have any questions regarding the application notes, or can't find the one you are looking for, please contact Sales at sales@nwspec.com
Do you have instructional manuals for your instruments to download?
Yes, we have instructional manuals for our instruments. They can be found on https://nwspec.com/pages/resource .
If you don't see the one you are looking for, please contact: sales@nwspec.com