OEM & ODM Sensor Manufacturing

Precision Optical Engineering

OEM & ODM Spectrometer Manufacturing

Turnkey Spectrometer Sensor Platforms, Custom Optical Engines, and Secondary Development SDKs

Request OEM/ODM Quote → Browse Sensor Products
Varsal Instruments Group Heritage

Universal Compatibility & Industrial Reliability

Backed by 30+ years of precision instrument manufacturing, NWSPEC provides high-volume Original Equipment Manufacturing (OEM) and ground-up Original Design Manufacturing (ODM) for spectrometer sensor engines, spectral accessories, and integrating sphere systems. All platforms feature universal SMA905 fiber interfaces and complete cross-platform SDKs compatible with Windows, Linux, Android, and WinCE.

Build-to-Print & Private Label

OEM Spectrometer Solutions

Manufacture or private-label our proven miniature spectrometer platforms with customized branding, tailored packaging, and volume cost optimization.

  • Private-label enclosure branding, custom anodization, and serial labeling
  • Custom slit selection (30 μm to 200 μm) and specialized order-sorting filters
  • Custom optical interface brackets, SMA905 or FC ferrule terminations
  • Multi-unit volume batch calibration with traceable ISO QA reports
Full Custom R&D

ODM Optical Engineering

Ground-up design of specialized optical benches, custom wavelength ranges, dedicated detector electronics, and proprietary firmware.

  • Symmetrical crossed Czerny-Turner optical bench layout and custom gratings
  • Hamamatsu linear CMOS, back-thinned CCD, and deep-cooled InGaAs integration
  • Embedded FPGA/ARM controller design, 16-bit low-noise ADC circuitry
  • Proprietary protocol support, trigger synchronization, and custom algorithms

Specialized Manufacturing Bases in China

Xiong'an Assembly & HQ

Xiong'an Pilot Free Trade Zone, Hebei

Optical bench alignment, multi-channel synchronization, final instrument QA, and global dispatch center.

Varsal Tianjin Production Base

Tianjin Port Free Trade Zone, Tianjin

Bonded precision consumables manufacturing, flow cell production, hollow cathode lamps, and CNC machining.

Varsal Tangshan Innovation Lab

Tangshan High-Tech Industrial Zone, Hebei

Optical sensor prototyping, high-resolution grating development, environmental stress testing, and R&D.

OEM / ODM Spectrometer Sensor Platforms

Proven optical engines available for immediate volume integration or application-specific ODM customization:

Model Detector Type Spectral Range Resolution (FWHM) Key Features & Architecture
SR20 Hamamatsu CMOS (2048 px, 14×200 μm) 200–1100 nm Up to 1.00 nm Miniature Compact 80×63×34 mm, USB 2.0 / RS232 / RS485
SR30 Hamamatsu CMOS (1024 px, 25×500 μm) 200–1100 nm Up to 0.80 nm High-Speed 0.8 ms/frame acquisition, 10 MHz readout rate
SR40 Hamamatsu CMOS (2048 px, 14×200 μm) 200–1100 nm Up to 0.80 nm Low-Noise Ultra-low thermal drift (0.1 px/°C), auto-zero offset
SR50 Hamamatsu CMOS (2048 px, 14×200 μm) 350–1100 nm Up to 1.20 nm Colorimetric Optimized for CIE color science, display & LED testing
SR58 Hamamatsu CMOS (2048 px, 14×200 μm) 200–1100 nm Up to 0.80 nm Networked Integrated Ethernet RJ45 port, daisy-chain up to 100 units
SR60 Hamamatsu CMOS (2048 px, 14×200 μm) 200–1100 nm Up to 0.10 nm Ultra-High Res Symmetrical Czerny-Turner, synchronous multi-channel
SR63 Back-Thinned CCD (2048 px, 14×14×64 μm) 200–1100 nm Up to 0.10 nm TEC Cooled Two-stage Peltier cooling (-20°C below ambient)
SR65 Back-Illuminated CCD (1024 px, 24×24×58 μm) 200–1100 nm Up to 0.50 nm Deep-Cooled High quantum efficiency (-40°C below ambient)
SR68 InGaAs Array (256 / 512 / 1024 px) 900–1700 / 900–2500 nm 1.41–6.37 nm NIR InGaAs TEC-cooled near-infrared sensor for moisture, oils, and polymers

Optical Engine Technical Specifications

Optical Architecture f/4 symmetrical crossed Czerny-Turner
Dynamic Range 16-bit lossless A/D conversion (65,536:1)
Optical Interface Standard SMA905, NA 0.22 fiber coupling
Linearity & Stray Light >99.5% linearity · <0.1% stray light at 340 nm
Integration Time 0.1 ms to 90 s continuous software control
SDK & Development C/C++, C#, Python, LabVIEW, Linux, Android

Integrated Light Sources & Sampling Accessories

Fully matched optical sources and accessories with standard SMA905 coupling:

Broadband Sources

Deuterium-Tungsten (SR-DT1, SR-DT2, SR-DT3) covering 190–2500 nm with sub-0.2% drift.

Wavelength Calibration

Hg-Ar lamps (SR-HG1, SR-HG2) offering NIST-traceable atomic emission line verification.

Pulsed & Flash Sources

High-energy Xenon flash lamps (SR-X1, SR-X2) for remote sampling and fluorescence.

Integrating Spheres

PTFE/Spectralon spheres (IS-50 to IS-1000) and motorized intensity attenuators (SR-C Series).

Start Your OEM / ODM Spectrometer Project

Contact our instrumentation engineering team with your spectral range, resolution, detector preferences, and estimated production volume for a direct technical review.

Request Engineering Consultation Email sales@nwspec.com
Applications Hotline: +86 189 6516 4839 Xiong'an Pilot Free Trade Zone, Hebei, China

Contact form

Track Order

Please enter your tracking number below:

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