Ocean ST Compact UV-Vis-NIR Microspectrometer

Description

The Ocean ST UV Microspectrometer is an ultra-compact (42 × 40 × 26 mm), high-SNR (up to 2250:1) instrument optimized for ultraviolet measurements, covering 185–400 nm. With USB-C connectivity, superior thermal stability, and the OceanDirect™ SDK, it is ideal for DNA absorbance, protein analysis, environmental monitoring, and OEM integration requiring reliable UV performance.

Despite its small footprint, the Ocean ST UV delivers high-quality spectral analysis with performance comparable to larger, more expensive spectrometers. Its compact and rugged design makes it well-suited for everyday laboratory use, field applications, or integration into devices and setups where space is limited.

Designed for adaptability, the Ocean ST UV features a replaceable slit design that enables users to balance optical resolution and throughput for both strong and low-light UV applications. This flexibility ensures accurate, reproducible results across a wide range of scientific and industrial use cases.

Compatibility with Ocean Optics light sources, optical accessories, and OceanView software enhances the utility of the Ocean ST UV, while its excellent thermal stability and unit-to-unit reproducibility make it a dependable choice for embedding into instrumentation, inline process operations, and at-line quality control.

Each Ocean ST UV spectrometer is supplied with OceanDirect™, a powerful Software Developers Kit (SDK) that includes an Application Programming Interface (API). This toolkit allows users to control performance parameters, automate workflows, and access critical spectral data for deeper analysis, making the Ocean ST UV an exceptional value in a compact package.

Specifications

Wavelength Range (reflectance):	185 – 650 nm
Resolution:	2.2 nm
Minimum Scan Time:	Not Specified
Wavelength Range:	185-650 nm (UV-Vis)
Optical Resolution:	2.2 nm (FWHM)
Signal To Noise Ratio:	190:1 (single scan @ 10 ms)
Minimum Integration Time:	3.8 ms
Integration Time:	3.8 ms-6 s
Dynamic Range:	1000:1 (single scan)
Stray Light:	2.0 AU
Scan Rate:	160 Hz (non-buffered)
A/D Resolution:	14-bit
Thermal Wavelength Drift:	0.02 nm/°C
Temperature (operation):	0 °C to 55 °C
Temperature (storage):	-30 °C to 70 °C
High Speed Average Mode:	Yes
Dimensions:	42.1 mm (w) x 40.3 mm (d) x 26.6 mm (h)
Interfaces:	USB, RS-232
Weight:	70.4 g
Connector:	USB Type-C, Samtec™ TFM-108-02-L-DH

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Features

Wavelength coverage: 185–400 nm (UV) for biomolecular assays, coatings, and environmental analysis.

Ultra-compact footprint: 42 × 40 × 26 mm, 70 g.

High SNR: Up to 2250:1 (in high-speed averaging mode).

Connectivity: USB-C interface for fast, reliable data transfer.

Thermal stability: Minimal drift ensures long-term accuracy in UV applications.

Software & integration: Cross-platform OceanDirect™ SDK with API access for custom development.

OEM-friendly: Ideal for integration into portable UV analyzers, lab instruments, and handheld devices.

Applications

The Ocean ST-UV Microspectrometer is ideal for compact, high-fidelity spectral measurements in the ultraviolet range, supporting research, industrial, and OEM environments. Common applications include:

DNA and RNA absorbance assays – Accurate detection in the 185–400 nm range.

Protein and nucleic acid quantification – Reliable measurements of biomolecular concentrations.

Water quality and environmental monitoring – Detection of UV-absorbing contaminants and pollutants.

Thin film and coating analysis – Assess thickness and uniformity using UV signatures.

OEM integration into analytical instruments – Compact UV detection for embedded systems.

General UV spectroscopy for research and industry – Versatile measurements requiring compact UV coverage.

Why Choose the Ocean ST-UV Microspectrometer?

With its compact form factor, 185–400 nm spectral coverage, and high signal fidelity, the Ocean ST-UV is an excellent choice for engineers, researchers, and OEM developers who need reliable and space-efficient ultraviolet spectroscopy. Whether deployed in the lab, field, or embedded into instrumentation, it delivers precision, reproducibility, and stability where UV sensitivity is essential.

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Ocean Optics

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since 2017

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Frequently Asked Questions

What is the Ocean ST UV microspectrometer?

The Ocean ST is a powerful microspectrometer that provides excellent UV response, high-speed spectral acquisition, and high signal to noise ratio performance in an ultra-compact footprint. It offers full spectral analysis comparable to larger and more expensive spectrometers.

What wavelength ranges does the Ocean ST compact spectrometer cover?

The Ocean ST microspectrometer covers the following wavelength ranges: 185-650 nm (UV-Vis), 350-810 nm (Vis-NIR), and 645-1085 nm (NIR).

What applications is the Ocean ST compact spectrometer suitable for?

The Ocean ST is ideal for everyday lab use and integration into other devices and setups where space is limited. Applications range from DNA absorbance to color characterization.

What are the key features of the Ocean ST microspectrometer?

Key features include UV, visible, and shortwave NIR wavelength coverage, replaceable slit design for optimizing optical resolution and throughput, compatibility with Ocean Optics components and OceanView software, and a rugged design with thermal stability and unit-to-unit reproducibility.

How can the optical resolution of this compact spectrometer and throughput be optimized?

The replaceable slit design allows users to choose a narrow slit width for light-rich applications where resolution is most important, or a wider entrance slit for low-light applications to allow more light into the spectrometer.

What is OceanDirect?

OceanDirect is a powerful, cross-platform Software Developers Kit (SDK) with an Application Programming Interface (API) included with each Ocean ST microspectrometer. It provides a library of functions to optimize spectrometer performance and access critical data for analysis.

What are the dimensions and weight of the Ocean ST microspectrometer?

The Ocean ST microspectrometer has dimensions of 42.1 mm (width) x 40.3 mm (depth) x 26.6 mm (height) and weighs 70.4 grams.