NWSPEC
SR40 Versatile Miniature Fiber Optic Spectrometer | 200–1100 nm
SR40 Versatile Miniature Fiber Optic Spectrometer | 200–1100 nm
SR40 Micro Optical Fiber Spectrometer
Application Order Guide
Plug-and-play compact spectrometer for water analysis, biomedical, environmental, and industrial testing. Wide spectral range with high UV sensitivity.
SR40 Key Advantages
Wide Range 200-1100nm coverage with high UV sensitivity for comprehensive analysis.
Low Temperature Drift 0.1 pixel/°C stability. Auto dark correction for reliable measurements.
Low Noise <50RMS (ADmax=65535). SNR: 430:1. Ideal for weak signal detection.
Multi-Communication USB 2.0, RS232, RS485. 16-pin extended port with external trigger.
1
Select Application Type
Match your measurement need to the recommended system configuration
Water Analysis / Quality
Ultramicro spectrophotometry for water quality monitoring, COD, and pollutant detection in laboratory and field.
High UV sensitivity for organic detection Applications: Drinking water, wastewater, environmental Recommended: UV-Vis + D2/W + 4-Way Cuvette Holder
Smoke / Flue Gas Detection
Optical gas cell configuration for industrial exhaust, combustion analysis, and atmospheric monitoring.
Long pathlength gas cell for ppm sensitivity Applications: Power plants, automotive exhaust, industrial stacks Recommended: UV-NIR + D2/W + Optical Gas Cell
Biomedical / Life Science
DNA/RNA quantification, protein analysis, and pharmaceutical testing with high precision and repeatability.
Low noise: <50RMS for weak signal detection Applications: Biotech, drug development, clinical labs Recommended: UV-Vis + D2/W + Cuvette Holder + Advanced Software
Education / Research
Teaching and research platform for universities. Complete with standard solutions and flexible configurations.
Plug-and-play operation. Multiple communication options Applications: Teaching labs, method development Recommended: UV-Vis + D2/W + Cuvette Holder + Basic Software
Food / Pharmaceutical
Quality control and composition analysis for food safety, drug purity, and additive detection.
High sensitivity for trace component detection Applications: Food safety, pharma QC, additive analysis Recommended: UV-Vis + D2/W + 4-Way Cuvette + Advanced Software
Reflection / Transmission Testing
Optical property measurement for coatings, filters, lenses, and materials across UV-Vis-NIR.
Transmission test bracket + reflection test bracket Applications: Optical coatings, glass, plastic films Recommended: UV-NIR + D2/W + Transmission Bracket + Reflection Bracket
Lens / Optical Component Testing
Spectral transmission and reflectance measurement for lenses, filters, and optical devices.
Precision positioning with motor control Applications: Eyewear, camera lenses, optical filters Recommended: UV-Vis + D2/W + Motor Control + Transmission Bracket
Automotive Exhaust Detection
Emission monitoring for vehicle testing stations and engine development labs.
Fast response for real-time exhaust analysis Applications: Vehicle inspection, engine R&D Recommended: UV-NIR + D2/W + Optical Gas Cell + Trigger Control
2
Select Spectrometer Core
Detector type and wavelength range
| Configuration | Specifications | Code | Best For |
|---|---|---|---|
| UV-Vis (200-850nm) | 2048-pixel CMOS linear sensor. Resolution ~0.8nm FWHM. Integration: 0.4ms-1000ms. SNR: 430:1. Dynamic range: 1000:1. | UVV | Water analysis, biomedical, education |
| UV-NIR (200-1100nm) | 2048-pixel CMOS linear sensor. Resolution ~1.2nm FWHM. Extended NIR sensitivity. Integration: 0.4ms-1000ms. | UVN | Full-range analysis, smoke, automotive exhaust |
| High Resolution (UV-Vis) | 2048-pixel CMOS with enhanced resolution. ~0.17nm wavelength resolution. ~0.8nm optical resolution. Maximum precision. | HRS | Lens testing, precision research, laser characterization |
Optical Platform Note All configurations use F/4 symmetric crossed Czerny-Turner optical path. Focal length options: 70mm or 90mm. Standard slit: 60μm (customizable). Fiber interface: SMA905, 0.22NA. Low temperature drift: 0.1 pixel/°C.
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 transmission/absorbance. | D2W | Water analysis, biomedical, general spectroscopy |
| Xenon Source (Pulsed) | High-intensity UV-Vis pulsed output. Ideal for fluorescence, time-resolved, and weak signal measurements. | XEN | Fluorescence, flash photolysis, biomedical research |
| LED Source (Visible) | Stable visible output: 400-700nm. Lifetime: >50,000 hours. Low power consumption. Fast warm-up. | LED | Colorimetry, portable systems, teaching labs |
| Tungsten-Halogen (Vis-NIR) | Economical visible to NIR: 350-2500nm. High output in NIR region. Stable thermal output for reflectance. | THL | Reflectance, NIR analysis, transmission testing |
4
Select Fiber & Sampling Accessories
Probes, optics, and interfaces for your sample type
Standard Fiber Bundle
General-purpose fiber optic cable for standard laboratory and industrial setups.
Core diameter: 400μm, 600μm, or 1000μm Length: 1m, 2m, or custom Connector: SMA905 Code: FIB
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: Coatings, powders, solids Code: RFP
Cuvette Holder
Standard cuvette holder for liquid absorption and transmission measurements.
Pathlength: 10mm standard cuvette Interface: Fiber-coupled Best for: Water, biochemical, pharmaceutical Code: CUV
4-Way Cuvette Holder
Multi-position cuvette holder for parallel sample measurement and automated batch analysis.
Capacity: 4 cuvettes simultaneously Interface: Fiber-coupled with switching Best for: High-throughput screening, water batch testing Code: C4W
Transmission Test Bracket
Precision fixture for transmission measurement of filters, lenses, films, and optical components.
Adjustable sample position Compatible with motor control for automated scanning Best for: Lens testing, filter characterization Code: TTB
Reflection Test Bracket
Standard white plate and reflection fixture for diffuse reflectance calibration and measurement.
Includes PTFE standard white plate Reflectance: >95% across UV-Vis-NIR Best for: Reflectance calibration, color standards Code: RTB
Optical Gas Cell
Long pathlength gas cell for smoke, exhaust, and atmospheric gas analysis.
Pathlength: Multiple options available Material: Corrosion-resistant housing Best for: Flue gas, automotive exhaust, air quality Code: OGC
Optical Attenuator
Adjustable neutral density filter for controlling light intensity and preventing detector saturation.
Attenuation: Variable or fixed ND filters Mount: Standard optical mount Best for: High-intensity sources, sensitivity adjustment Code: ATT
Motor Control System
High-precision motor with control board for automated sample positioning and scanning.
Motor: High-precision stepper motor Control: Motor control board + trigger control board Best for: Lens scanning, automated testing Code: MOT
Trigger Control Board
External trigger interface for synchronized measurement with external events and devices.
Interface: 16-pin extended port Function: External trigger input/output Best for: Automated systems, production line integration Code: TCB
Integrating Sphere
Uniform light collection for total flux, diffuse reflectance, and color measurements.
Diameter: 38mm or 50mm Coating: PTFE (Spectralon equivalent) Best for: LED testing, color analysis, reflectance Code: ISP
Immersion / Dip Probe
Submersible probe for direct liquid transmission and online water monitoring.
Pathlength: 2mm, 5mm, or 10mm Material: Stainless steel / Hastelloy Best for: Online water analysis, process streams Code: DIP
5
Select Software Package
Control and analysis software level
| Package | Features | Code | Best For |
|---|---|---|---|
| Basic Control | Real-time spectral display, data acquisition, basic math (smoothing, derivative), export to CSV/TXT/SPC. Auto-dark correction. | BAS | Standard laboratory use, teaching, basic QC |
| Advanced Analysis | Full chemometrics: PLS, PCA, MLR. Quantitative analysis. Custom method builder. Report generation. Multi-communication support. | ADV | Water analysis, biomedical, pharmaceutical QC |
| SDK / API | Full hardware control API. Cross-platform: C++, C#, Python, LabVIEW. Example code and documentation included. OEM licensing. 16-pin extended port with trigger control. | SDK | System integrators, OEM partners, automated systems |
Operating System Support Software compatible with Windows, Android, Linux, and Wince. Communication interfaces: USB 2.0, RS232, RS485. Extended 16-pin port with external trigger capability. Auto dark correction standard.
6
Model Naming Reference
How to construct your complete order code
| Position | Component | Available Codes |
|---|---|---|
| Base | Platform | SR40 |
| 1 | Application Type | WAT / SMK / BIO / EDU / FPH / RFT / LEN / AEX |
| 2 | Spectrometer | UVV / UVN / HRS |
| 3 | Light Source | D2W / XEN / LED / THL |
| 4 | Fiber / Accessory | FIB / RFP / CUV / C4W / TTB / RTB / OGC / ATT / MOT / TCB / ISP / DIP |
| 5 | Software | BAS / ADV / SDK |
EXAMPLE CONFIGURATION
SR40-WAT-UVV-D2W-C4W-ADV
Water analysis — UV-Vis spectrometer — Deuterium/Tungsten source — 4-Way Cuvette Holder — Advanced analysis software
EXAMPLE CONFIGURATION
SR40-SMK-UVN-D2W-OGC-SDK
Smoke detection — UV-NIR spectrometer — Deuterium/Tungsten source — Optical Gas Cell — SDK for system integration
EXAMPLE CONFIGURATION
SR40-LEN-HRS-D2W-TTB-MOT-ADV
Lens testing — High-Resolution spectrometer — Deuterium/Tungsten source — Transmission Test Bracket + Motor Control — Advanced software
Lead Time Standard configurations: 2 weeks from order confirmation. Custom builds and OEM projects may require additional time — confirm with sales when ordering.
Customization & OEM Services Special wavelength ranges, resolution requirements, mechanical configurations, and private labeling are available upon request. Contact our technical team to discuss custom builds and OEM integration support.
Technical Support Not sure which configuration matches your application? Send your measurement requirements (sample type, wavelength range, environment) to our team for a recommended build.
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
Fast Shipping
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!
We are open from 6:00AM - 7:00PM Eastern Time, Monday - Friday.
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